CN105915263A - Microwave frequency dividing circuit and microwave frequency converter - Google Patents
Microwave frequency dividing circuit and microwave frequency converter Download PDFInfo
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- CN105915263A CN105915263A CN201610408050.2A CN201610408050A CN105915263A CN 105915263 A CN105915263 A CN 105915263A CN 201610408050 A CN201610408050 A CN 201610408050A CN 105915263 A CN105915263 A CN 105915263A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Abstract
The invention is suitable for the field of microwaves, and provides a microwave frequency dividing circuit and a microwave frequency converter. The circuit comprises a first radio-frequency amplifying unit, a second radio-frequency amplifying unit, a power supply unit, a power dividing unit, an intermediate-frequency amplifying unit, a first switching unit, a second switching unit, a first oscillation starting unit and a second oscillation starting unit, wherein the first radio-frequency amplifying unit and the second radio-frequency amplifying unit are used for amplifying horizontal and vertical radio-frequency signals received at input ends of the first radio-frequency amplifying unit and the second radio-frequency amplifying unit; the power supply unit is used for providing a power supply voltage; the power dividing unit is used for converting the amplified radio-frequency signals into multiple paths of radio-frequency signals respectively; the intermediate-frequency amplifying unit is used for amplifying the multiple paths of radio-frequency signals which are subjected to power dividing to generate intermediate frequency signals; the first switching unit and the second switching unit are used for switching high and low local frequencies to output multiple paths of radio-frequency frequency division signals respectively; and the first and second oscillation starting units are used for providing high and low local frequencies. A plurality of switching units are directly connected to the power supply unit, and the switching units supply power to the power supply unit, so that the plurality of output frequency-dividing signals and power voltages flow through a single diode through respective filtering circuits to supply power to the power supply unit; interference and crosstalk of multiple paths of power supply voltages and signals are avoided; and the cost and the power consumption are reduced.
Description
Technical field
The invention belongs to microwave regime, particularly relate to a kind of microwave frequency division circuit and microwave converter.
Background technology
Along with developing rapidly of microwave electron technology, realized the row of microwave signal process by microwave converter
Industry also gets more and more, but, existing microwave frequency changer circuit, when switching height local oscillator, uses multi output same
Time the mode powered, especially work under high frequency state, be particularly easy to occur that local oscillation signal is played a reversed role, cause electricity
Pressing dry and disturb, thus cause microwave signal process impure, affect product work performance, serious the most directly cannot
Normal work, and carry out anti-stop signal and play a reversed role by increasing anti-jamming circuit and can increase cost and the power consumption of product.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of microwave frequency division circuit, it is intended to solve existing by anti-dry
Disturbing circuit suppression microwave frequency division circuit to power due to multi output simultaneously and cause signal to be played a reversed role, power consumption is big, cost is high
Problem.
The embodiment of the present invention is achieved in that a kind of microwave frequency division circuit, and described circuit includes:
First radio frequency amplifying unit, for amplifying the horizontal radiofrequency signal that its input receives；
Second radio frequency amplifying unit, for amplifying the vertical radiofrequency signal that its input receives；
Power supply unit, for providing supply voltage, described power supply for described first, second radio frequency amplifying unit
First group of unit outfan of powering is connected with the energization input group of described first radio frequency amplifying unit, described
Second group of power supply unit outfan of powering is connected with the energization input group of described second radio frequency amplifying unit；
Merit subdivision, for will amplify after level, vertical radiofrequency signal be separately converted to multi-channel rf signal,
First, second input of described merit subdivision respectively with the output of described first, second radio frequency amplifying unit
End connects；
Intermediate frequency amplifying unit, is used for the multi-channel rf signal after merit being divided or intermediate-freuqncy signal is amplified processing,
Generate the output of the intermediate-freuqncy signal of high intensity, the input group of described intermediate frequency amplifying unit and described merit subdivision
End group correspondence connects；
First switch unit, for exporting first via radio frequency fractional frequency signal by the high and low local frequency of switching,
And control said supply unit output supply voltage, the input group of described first switch unit and described intermediate frequency
First group of outfan of amplifying unit connects, the feeder ear of described first switch unit and said supply unit
3rd feeder ear connects；
Second switch unit, for exporting the second road radio frequency fractional frequency signal by the high and low local frequency of switching,
And control said supply unit output supply voltage, the input group of described second switch unit and described intermediate frequency
Second group of outfan of amplifying unit connects, the feeder ear of described second switch unit and said supply unit
4th feeder ear connects；
First starting of oscillation unit, for for described first switch unit provide high and low local frequency, described first
The input of starting of oscillation unit is connected with the first medium frequency output end of described intermediate frequency amplifying unit, described first starting of oscillation
The outfan of unit is connected with the outfan of described first switch unit, the feeder ear of described first starting of oscillation unit
It is connected with the power end of described first switch unit；
Second starting of oscillation unit, for for described second switch unit provide high and low local frequency, described second
The input of starting of oscillation unit is connected with the second medium frequency output end of described intermediate frequency amplifying unit, described second starting of oscillation
The outfan of unit is connected with the outfan of described second switch unit, the feeder ear of described second starting of oscillation unit
End is connected with the power end end of described second switch unit.
The another object of the embodiment of the present invention is, it is provided that a kind of microwave including above-mentioned microwave frequency division circuit becomes
Frequently device.
Multiple switch units are directly directly connected on power supply unit by the embodiment of the present invention, directly single by switching
Unit's output+5V voltage, to power supply unit, makes power supply unit provide supply voltage for complete machine, makes multi output divide
Signal and supply voltage flow through single diode through respective filter circuit respectively and power directly to power supply unit, by
In diode unilateral conduction characteristic, therefore multiple power supplies voltage and signal disturbing and anti-channeling can be avoided.Simultaneously because
It is provided without anti-jamming circuit and voltage stabilizing chip, reduces cost and the power consumption of product.
Accompanying drawing explanation
The structure chart of the microwave frequency division circuit that Fig. 1 provides for the embodiment of the present invention；
First radio frequency amplifying unit, the second radio frequency in the microwave frequency division circuit that Fig. 2 provides for the embodiment of the present invention
The exemplary circuit structure chart of amplifying unit and power supply unit；
The exemplary circuit structure chart of merit subdivision in the microwave frequency division circuit that Fig. 3 provides for the embodiment of the present invention；
Intermediate frequency amplifying unit in the microwave frequency division circuit that Fig. 4 provides for the embodiment of the present invention, the first switch unit,
Second switch unit, the first starting of oscillation unit and the exemplary circuit structure chart of the second starting of oscillation unit；
The pin schematic diagram of power supply chip in the microwave frequency division circuit that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.Additionally, each reality of invention described below
Just can be mutually combined as long as the technical characteristic involved by executing in mode does not constitutes conflict each other.
Multiple switch units are directly directly connected on power supply unit by the embodiment of the present invention, directly single by switching
Unit's output+5V voltage, to power supply unit, makes power supply unit provide supply voltage for complete machine, makes multi output divide
Signal and supply voltage flow through single diode through respective filter circuit respectively and power directly to power supply unit, by
In diode unilateral conduction characteristic, therefore multiple power supplies voltage and signal disturbing and anti-channeling can be avoided.Simultaneously because
It is provided without anti-jamming circuit and voltage stabilizing chip, reduces cost and the power consumption of product.
Fig. 1 shows the structure of the microwave frequency division circuit that first embodiment of the invention provides, for convenience of description,
Illustrate only part related to the present invention.
As one embodiment of the invention, this microwave frequency division circuit can apply in various microwave converter.
This microwave frequency division circuit includes:
First radio frequency amplifying unit 101, for amplifying horizontal radiofrequency signal IP/H that its input receives；
Second radio frequency amplifying unit 102: for amplifying vertical radiofrequency signal IP/V that its input receives；
Power supply unit 200, for providing for first radio frequency amplifying unit the 101, second radio frequency amplifying unit 102
Supply voltage, first group of power supply unit 200 is powered outfan and the power supply of the first radio frequency amplifying unit 101
Input group connects, and second group of power supply unit 200 is powered outfan and the second radio frequency amplifying unit 102
Energization input group connects；
Merit subdivision 300, level, vertical radiofrequency signal after amplifying are separately converted to multi-channel rf
Signal, first, second input of merit subdivision 300 respectively with first, second radio frequency amplifying unit 102
Outfan connect；
Intermediate frequency amplifying unit 400, multi-channel rf signal or intermediate-freuqncy signal after merit being divided are amplified place
Reason, generates the intermediate-freuqncy signal of high intensity, the input group of intermediate frequency amplifying unit 400 and merit subdivision 300
Outfan group correspondence connects；
First switch unit 501, for by switching high and low local frequency output first via radio frequency frequency dividing letter
Number, the input group of the first switch unit 501 is connected with first group of outfan of intermediate frequency amplifying unit 400,
The feeder ear of the first switch unit 501 is connected with the 3rd feeder ear of power supply unit 200；
Second switch unit 502, for exporting the second road radio frequency frequency dividing letter by the high and low local frequency of switching
Number, the input group of the second switch unit 502 is connected with second group of outfan of intermediate frequency amplifying unit 400,
The feeder ear of the second switch unit 502 is connected with the 4th feeder ear of power supply unit 200；
First starting of oscillation unit 601, for providing high and low local frequency for the first switch unit 501, first
The input of starting of oscillation unit 601 is connected with the first medium frequency output end of intermediate frequency amplifying unit 400, the first starting of oscillation
The outfan of unit 601 and the outfan of the first switch unit 501 connect, the confession of the first starting of oscillation unit 601
The power end of electricity end and the first switch unit 501 connects；
Second starting of oscillation unit 602, for providing high and low local frequency for the second switch unit 502, second
The input of starting of oscillation unit 602 is connected with the second medium frequency output end of intermediate frequency amplifying unit 400, the second starting of oscillation
The outfan of unit 602 and the outfan of the second switch unit 502 connect, the confession of the second starting of oscillation unit 602
The power end of electricity end and the second switch unit 502 connects.
As one embodiment of the invention, this microwave frequency division circuit can also include:
3rd switch unit, for exporting the 3rd road radio frequency fractional frequency signal by the high and low local frequency of switching,
The input group of the 3rd switch unit is connected with the 3rd of intermediate frequency amplifying unit 400 the group of outfan, the 3rd switching
The feeder ear of unit is connected with the 5th feeder ear of power supply unit 200；
3rd starting of oscillation unit, for providing high and low local frequency, the 3rd starting of oscillation unit for the 3rd switch unit
Input be connected with the 3rd medium frequency output end of intermediate frequency amplifying unit 400, the outfan of the 3rd starting of oscillation unit
It is connected with the outfan of the 3rd switch unit, the feeder ear of the 3rd starting of oscillation unit and the power supply of the 3rd switch unit
End connects.
Certainly, the present embodiment does not limit the output quantity of radio frequency fractional frequency signal.
In embodiments of the present invention, first starting of oscillation unit the 601, second starting of oscillation unit 602 by crystal oscillator J1,
The common core of J2 (with reference to Fig. 4) shakes the 9.75GHZ/10.6GHZ local frequency produced required for circuit, and
It is respectively supplied to first switch unit the 501, second switch unit 502, the first switch unit 501, second cuts
Changing unit 502 to be powered to first starting of oscillation unit the 601, second starting of oscillation unit 602 by power end, first cuts
Change the O/22kHz pulse that unit the 501, second switch unit 502 exports according to receiver to select respectively
Its local oscillator low, high, can also be used with the 13/18V voltage switching horizontally or vertically pole of satellite television receiver simultaneously
The satellite-signal changed, it is achieved Ku wave band program Whole frequency band receives.
When first switch unit the 501, second switch unit 502 is energized work, its element itself produces 0-22K
Switching signal, if first switch unit the 501, second switch unit 502 works simultaneously in the prior art,
The circuit that 22K signal is worked at first switch unit the 501, second switch unit 502 will mutually be played a reversed role,
Causing voltage disturbance, therefore prior art is by increasing anti-jamming circuit between switch unit and power supply unit,
And increase voltage stabilizing chip at each fractional frequency signal outfan and carry out voltage stabilizing to avoid voltage disturbance, power consumption is the biggest.
And multiple switch units are directly directly connected on power supply unit by the embodiment of the present invention, directly by switching
Unit output+5V voltage, to power supply unit, makes power supply unit provide supply voltage for complete machine, makes multi output divide
Frequently signal and supply voltage flow through single diode through respective filter circuit respectively and power directly to power supply unit,
Due to diode unilateral conduction characteristic, therefore multiple power supplies voltage and signal disturbing and anti-channeling can be avoided.Simultaneously by
In being provided without anti-jamming circuit and voltage stabilizing chip, reduce cost and the power consumption of product.
Fig. 2 show the first radio frequency amplifying unit in the microwave frequency division circuit that the embodiment of the present invention provides, second
The exemplary circuit structure of radio frequency amplifying unit and power supply unit, for convenience of description, illustrate only and the present invention
Relevant part.
As one embodiment of the invention, the energization input group of the first radio frequency amplifying unit 101 includes the first confession
Electricity end, the second feeder ear, the 3rd feeder ear and the 4th feeder ear；
First radio frequency amplifying unit 101 includes:
Resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electricity
Hold C6, electric capacity C7, electric capacity C8, electric capacity C9, the first switching tube Q1 and second switch pipe Q2；
First switching tube Q1 controls input and the one of the resistance R1 that end is the first radio frequency amplifying unit 101
End connects, and the other end of resistance R1 is that the first feeder ear of the first radio frequency amplifying unit 101 is by electric capacity C1
Ground connection, the output head grounding of the first switching tube Q1, the input of the first switching tube Q1 simultaneously with electric capacity C6
Connect with one end of electric capacity C7, the input of the first switching tube Q1 also simultaneously with one end and the electricity of electric capacity C3
One end of resistance R2 connects, the other end ground connection of electric capacity C3, and the other end of resistance R2 is that the first radio frequency amplifies
Second feeder ear of unit 101 passes through electric capacity C2 ground connection, and the other end of electric capacity C6 and electric capacity C7 is all simultaneously
Being connected with one end controlling end and resistance R3 of second switch pipe Q2, the other end of resistance R3 is first to penetrate
Frequently the 3rd feeder ear of amplifying unit 101 pass through electric capacity C8 ground connection, the output head grounding of second switch pipe Q2,
The input of second switch pipe Q2 is that the outfan of the first radio frequency amplifying unit 101 connects with one end of resistance R4
Connecing, the other end of resistance R4 is that the 4th feeder ear of the first radio frequency amplifying unit 101 is by electric capacity C9 ground connection；
As one embodiment of the invention, the energization input group of the second radio frequency amplifying unit 102 includes the first confession
Electricity end, the second feeder ear, the 3rd feeder ear and the 4th feeder ear；
Second radio frequency amplifying unit 102 includes:
Resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C11, electric capacity C13, electric capacity C17,
Electric capacity C18, electric capacity C19, electric capacity C20, the 3rd switching tube Q3 and the 4th switching tube Q4；
3rd switching tube Q3 controls input and the one of the resistance R8 that end is the second radio frequency amplifying unit 102
End connects, and the other end of resistance R8 is that the first feeder ear of the second radio frequency amplifying unit 102 is by electric capacity C11
Ground connection, the output head grounding of the 3rd switching tube Q3, the input of the 3rd switching tube Q3 simultaneously with electric capacity C18
Connecting with one end of electric capacity C19, the input of the 3rd switching tube Q3 also one end with resistance R9 is connected, electric
Second feeder ear that the other end is the second radio frequency amplifying unit 102 of resistance R9 is by electric capacity C13 ground connection, electricity
Hold the other end of C18 and electric capacity C19 all simultaneously with the 4th switching tube Q4 control end and the one of resistance R10
End connects, and the other end of resistance R10 is that the 3rd feeder ear of the second radio frequency amplifying unit 102 passes through electric capacity
C17 ground connection, the output head grounding of the 4th switching tube Q4, the input of the 4th switching tube Q4 is the second radio frequency
The outfan of amplifying unit 102 is connected with one end of resistance R11, and the other end of resistance R11 is the second radio frequency
4th feeder ear of amplifying unit 102 passes through electric capacity C20 ground connection.
As one embodiment of the invention, first group of outfan of powering of power supply unit 200 include the first outfan,
Second outfan, the 3rd outfan, the 4th outfan, second group of power supply unit 200 is powered outfan bag
Include the 5th outfan, the 6th outfan, the 7th outfan, the 8th outfan；
Power supply unit 200 includes:
Resistance R00, resistance R01, resistance R02, resistance R03, resistance R06, resistance R7, electric capacity C4,
Electric capacity C12, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C63, electric capacity C64, diode D1,
Diode D2 and power supply chip U5；
The two ends of electric capacity C4 connect 8 feet and 7 feet of power supply chip U5,5 feet of power supply chip U5 respectively
Ground connection, the 4-1 foot of power supply chip U5 be respectively the first outfan of power supply unit 200, the second outfan,
3rd outfan, the 4th outfan, 9 feet of power supply chip U5 pass through electric capacity C12 ground connection, power supply chip
The 10 of U5,11 pins connect resistance R7, one end of resistance R6 respectively, resistance R7, resistance R6 another
One end simultaneously ground connection, the 14 of power supply chip U5,15,12,13 pins be respectively the of power supply unit 200
Five outfans, the 6th outfan, the 7th outfan, the 8th outfan, 16 feet of power supply chip U5 pass through
Electric capacity C14 ground connection, 16 feet of power supply chip U5 also simultaneously with diode D1, the negative electrode of diode D2
Connecting, the anode of diode D1 is connected with one end of resistance R02 and one end of electric capacity C63 simultaneously, electric capacity
The other end ground connection of C63, the other end of resistance R02 simultaneously with one end and the one of electric capacity C16 of resistance R01
End connects, and the other end ground connection of electric capacity C16, the other end of resistance R01 is the 3rd confession of power supply unit 200
Electricity end, the anode of diode D2 is connected with one end of resistance R03 and one end of electric capacity C64 simultaneously, electric capacity
The other end ground connection of C64, the other end of resistance R03 simultaneously with one end and the one of electric capacity C15 of resistance R00
End connects, and the other end ground connection of electric capacity C15, the other end of resistance R00 is the 4th confession of power supply unit 200
Electricity end.
This power supply chip U5 is preferably UTC L8400 type power supply chip, and wherein chip pin figure sees Fig. 5,
1 foot of power supply chip U5,3 feet, 15 feet, 13 feet are respectively the first voltage output pin D1, the second electricity
Pressure output pin D2, tertiary voltage output pin D3, the 4th voltage output pin D4,2 feet, 4 feet,
It is defeated that 14 feet, 12 feet are respectively the first voltage input pin G1, the second voltage input pin G2, tertiary voltage
Entering pin G3, the 4th voltage input pin G4,5 feet are grounding pin GND, and 6 feet are non-selection pin
N/C, 7 feet, 8 feet are two external capacitor pin CNB1、CNB2, 9 feet are another external capacitor pin CSUB,
10 feet and 11 feet are two outer meeting resistance pin RCAL1、RCAL2, 16 feet are power pins Vcc.
Fig. 3 shows the exemplary circuit knot of merit subdivision in the microwave frequency division circuit that the embodiment of the present invention provides
Structure, for convenience of description, illustrate only part related to the present invention.
As one embodiment of the invention, the outfan group of merit subdivision 300 includes the first outfan, second defeated
Go out end, the 3rd outfan and the 4th outfan；
Merit subdivision 300 includes:
Resistance R13, resistance R14, resistance R16, resistance R17, resistance R28, electric capacity C22, electric capacity
C24, electric capacity C25, electric capacity C27, electric capacity C28；
One end of resistance R17 is that the first input end of merit subdivision 300 is connected with one end of electric capacity C28, electricity
Holding first outfan that the other end is merit subdivision 300 of C28, the other end of resistance R17 is simultaneously and resistance
One end of R17 and one end of resistance R28 connect, and the other end of resistance R28 is connected with one end of electric capacity C27,
The other end of electric capacity C27 is the 3rd outfan of merit subdivision 300, and one end of resistance R16 is merit subdivision
Second input of 300 is connected with one end of resistance R14 and one end of resistance R13 simultaneously, resistance R16's
The other end is connected with one end of resistance R16 and the other end of resistance R14 simultaneously, and the other end of resistance R13 is same
Time be connected with one end of electric capacity C22 and electric capacity C25, the other end ground connection of electric capacity C22, electric capacity C25's
The other end is the second outfan of merit subdivision 300, the other end of resistance R16 also with one end of electric capacity C24
Connecting, the other end of electric capacity C24 is the 4th outfan of merit subdivision 300.
Fig. 4 shows intermediate frequency amplifying unit in the microwave frequency division circuit that the embodiment of the present invention provides, the first switching
Unit, the second switch unit, the first starting of oscillation unit and the exemplary circuit structure of the second starting of oscillation unit, in order to just
In explanation, illustrate only part related to the present invention.
As one embodiment of the invention, the input group of intermediate frequency amplifying unit 400 include first input end,
Two inputs, the 3rd input, four-input terminal, first group of outfan of intermediate frequency amplifying unit 400 includes
First outfan, the second outfan, the 3rd outfan, the 4th outfan, the of intermediate frequency amplifying unit 400
Two groups of outfans include the 5th outfan, the 6th outfan, the 7th outfan, the 8th outfan；
Intermediate frequency amplifying unit 400 includes:
Resistance R5, resistance R12, resistance R19, resistance R20, resistance R23, resistance R29, resistance R30,
Resistance R30, resistance R32, resistance R2310, electric capacity C10, electric capacity C21, electric capacity C23, electric capacity C26,
Electric capacity C29, electric capacity C30, electric capacity C33, electric capacity C34, electric capacity C35, electric capacity C36, electric capacity C37,
Electric capacity C38, electric capacity C44, electric capacity C45, electric capacity C47, electric capacity C48, electric capacity C49, electric capacity C50,
Electric capacity C51, electric capacity C52, electric capacity C54, electric capacity C55, the 5th switching tube Q5, the 6th switching tube Q6,
7th switching tube Q7, the 8th switching tube Q8；
5th switching tube Q5 controls first input end and the resistance R19 that end is intermediate frequency amplifying unit 400
One end connects, and the other end of resistance R19 is that the first outfan of intermediate frequency amplifying unit 400 is by electric capacity C29
Ground connection, the input of the 5th switching tube Q5 is connected with one end of resistance R20, and the other end of resistance R20 is
Second input of intermediate frequency amplifying unit 400 passes through electric capacity C30 ground connection, the outfan of the 5th switching tube Q5
Ground connection, the input of the 5th switching tube Q5 also simultaneously with electric capacity C33, electric capacity C34, the one of electric capacity C37
End connects, and the 6th switching tube Q6 controls the second input and the resistance R29 that end is intermediate frequency amplifying unit 400
One end connect, the other end of resistance R29 is that the 4th outfan of intermediate frequency amplifying unit 400 passes through electric capacity
C45 ground connection, the input of the 6th switching tube Q6 is connected with one end of resistance R2310, resistance R2310's
The other end is that the 3rd input of intermediate frequency amplifying unit 400 is by electric capacity C44 ground connection, the 6th switching tube Q6
Output head grounding, the input of the 6th switching tube Q6 also simultaneously with electric capacity C35, one end of electric capacity C36
Connect with the other end of electric capacity C37, electric capacity C33, electric capacity C34, electric capacity C35, electric capacity C36 another
End all one end with electric capacity C38 are connected, and one end of electric capacity C38 is also by resistance R23 ground connection, electric capacity C38
The first medium frequency output end that the other end is intermediate frequency amplifying unit 400；
7th switching tube Q7 controls the 3rd input and the one of the resistance R5 that end is intermediate frequency amplifying unit 400
End connects, and the other end of resistance R5 is that the 5th outfan of intermediate frequency amplifying unit 400 is connect by electric capacity C10
Ground, the input of the 7th switching tube Q7 is connected with one end of resistance R30, during the other end of resistance R30 is
Frequently the 6th outfan of amplifying unit 400 passes through electric capacity C47 ground connection, and the control end of the 7th switching tube Q7 leads to
Crossing electric capacity C26 ground connection, the output head grounding of the 7th switching tube Q7, the outfan of the 7th switching tube Q7 is also
Being connected with one end of electric capacity C54, the other end of electric capacity C54 is the 7th outfan of intermediate frequency amplifying unit 400
Be connected with one end of resistance R31, the input of the 7th switching tube Q7 also simultaneously with electric capacity C48, electric capacity C49,
One end of electric capacity C52 connects, and the control end is intermediate frequency amplifying unit 400 the 4th of the 8th switching tube Q8 is defeated
Enter end to be connected with one end of resistance R12 and electric capacity C23, the other end ground connection of electric capacity C23, resistance simultaneously
The other end of R12 is that the 8th outfan of intermediate frequency amplifying unit 400 is by electric capacity C21 ground connection, the 8th switch
The input of pipe Q8 is connected with the other end of resistance R31, the output head grounding of the 8th switching tube Q8, the
The input of eight switching tube Q8 also simultaneously with another of electric capacity C50, one end of electric capacity C51 and electric capacity C52
End connect, electric capacity C48, electric capacity C49, electric capacity C50, electric capacity C51 the other end all with electric capacity C55's
One end connects, and one end of electric capacity C55 is also by resistance R32 ground connection, and the other end of electric capacity C55 is that intermediate frequency is put
Second medium frequency output end of big unit 400.
As one embodiment of the invention, the input group of the first switch unit 501 include first input end,
Two inputs, the 3rd input and four-input terminal；
First switch unit 501 includes:
Resistance R25, resistance R26, resistance R27, electric capacity C42, electric capacity C43, electric capacity C46 and first
Switching chip U2；
The 1-4 foot of the first switching chip U2 is respectively the first input end of the first switch unit 501, second defeated
Entering end, the 3rd input and four-input terminal, the first switching the 15 of chip U2,16 feet pass through resistance respectively
R26, resistance R25 ground connection, the 14 foot ground connection of the first switching chip U2, the 15 of the first switching chip U2
Foot is connected with one end of resistance R27 and electric capacity C42 simultaneously, the other end ground connection of electric capacity C42, resistance R27
The outfan that the other end is the first switch unit 501 by electric capacity C43 ground connection, the first switching chip U2
The feeder ear that 12 feet are the first switch unit 501, first switching chip U2 11 feet be the first switching
The B end of unit 501,9 feet of the first switching chip U2 are by electric capacity C46 ground connection；
As one embodiment of the invention, the input group of the second switch unit 502 include first input end,
Two inputs, the 3rd input and four-input terminal；
Second switch unit 502 includes:
Resistance R33, resistance R34, resistance R35, electric capacity C431, electric capacity C57, electric capacity C61 and second
Switching chip U4；
The 1-4 foot of the second switching chip U4 is respectively the first input end of the second switch unit 502, second defeated
Entering end, the 3rd input and four-input terminal, the second switching the 15 of chip U4,16 feet pass through resistance respectively
R34, resistance R33 ground connection, the 14 foot ground connection of the second switching chip U4, the 15 of the second switching chip U4
Foot is connected with one end of resistance R35 and electric capacity C57 simultaneously, the other end ground connection of electric capacity C57, resistance R35
The outfan that the other end is the second switch unit 502 by electric capacity C431 ground connection, the second switching chip U4
The feeder ear that 12 feet are the second switch unit 502, second switching chip U4 11 feet be the second switching
The D end of unit 502,9 feet of the second switching chip U4 are by electric capacity C61 ground connection.
In embodiments of the present invention, this first switching chip U2 and the second switching chip U4 all can be preferably
ZXNB4200 switches chip, wherein the first switching chip U2 and the functional pin phase of the second switching chip U4
With, as follows:
1 foot, 4 feet, 6 feet, 8 feet are respectively first to fourth voltage input pin, 2 feet, 3 feet, 5 feet,
7 feet are respectively first to fourth voltage output pin；
9 feet are external capacitor pin, and 10 feet are low spot vibrational control pin, and 11 feet are that high point vibrational control draws
Foot, 12 feet are power supply output pin, and 13 feet are high frequency input pin, and 14 feet are grounding pin, 15 feet and
16 feet are two outer meeting resistance pins.
As one embodiment of the invention, the first starting of oscillation unit 601 includes:
Resistance R21, resistance R22, electric capacity C31, electric capacity C32, electric capacity C39, electric capacity C40, electric capacity C
41, the first crystal oscillator J1 and the first starting of oscillation chip U1；
8,9 feet of the first starting of oscillation chip U1 are the input of the first starting of oscillation unit 601 simultaneously, the first starting of oscillation
The 1 of chip U1,3,7 foot ground connection, 4,5 feet of the first starting of oscillation chip U1 are connected to the first crystal oscillator
The two ends of J1,2 feet of the first starting of oscillation chip U1 are connected with one end of electric capacity C31, another of electric capacity C31
End is connected with one end of resistance R21, and the other end of resistance R21 is the outfan of the first starting of oscillation unit 601,
The radio frequency grounding pin ground connection of the first starting of oscillation chip U1, the power pins of the first starting of oscillation chip U1 is the first
The shake feeder ear (A) of unit 601 is by electric capacity C32 ground connection, and the first starting of oscillation chip U1's is external phase-locked
Ring pin is connected with one end of electric capacity C39, electric capacity C41 simultaneously, the other end of electric capacity C41 and resistance R22
One end connect, the other end of resistance R22 simultaneously with the high point vibrational control pin of the first starting of oscillation chip U1,
The other end of electric capacity C39, one end of electric capacity C40 connect, the other end ground connection of electric capacity C40.
As one embodiment of the invention, the second starting of oscillation unit 602 includes:
Resistance R36, resistance R37, electric capacity C53, electric capacity C56, electric capacity C58, electric capacity C59, electric capacity C
60, the second crystal oscillator J2 and the second starting of oscillation chip U3；
8,9 feet of the second starting of oscillation chip U3 are the input of the second starting of oscillation unit 602 simultaneously, the second starting of oscillation
The 1 of chip U3,3,7 foot ground connection, 4,5 feet of the second starting of oscillation chip U3 are connected to the second crystal oscillator
The two ends of J2,2 feet of the second starting of oscillation chip U3 are connected with one end of electric capacity C60, another of electric capacity C60
End is connected with one end of resistance R37, and the other end of resistance R37 is the outfan of the second starting of oscillation unit 602,
The radio frequency grounding pin ground connection of the second starting of oscillation chip U3, the power pins of the second starting of oscillation chip U3 is second
The shake feeder ear (C) of unit 602 by electric capacity C32 ground connection, the external phaselocked loop of the second starting of oscillation chip U3
Pin is connected with one end of electric capacity C58, electric capacity C59 simultaneously, and the other end of electric capacity C58 is with resistance R36's
One end connects, the other end of resistance R36 simultaneously with the high point vibrational control pin of the second starting of oscillation chip U3,
The other end of electric capacity C59, one end of electric capacity C56 connect, the other end ground connection of electric capacity C56.
In embodiments of the present invention, this first starting of oscillation chip U1 and the second starting of oscillation chip U3 all can be preferably
1017 vibration chips, wherein the functional pin of the first starting of oscillation chip U1 and the second starting of oscillation chip U3 is identical,
As follows:
1 foot, 3 feet, 7 feet, 10 feet, 11 feet are grounding pin, and 2 feet are external capacitor pin, 4 feet,
5 feet are external crystal oscillator pin, and 6 feet are grounding pin, and 8 feet, 12 feet are non-selection pin, and 9 feet are radio frequency
Pin；
Additionally this chip also has power pins, radio frequency grounding pin, high point vibrational control pin and external lock
Phase ring pin.
In embodiments of the present invention, chip U2, U4 port A/C directly provide+5V voltage respectively through R01,
Through diode 1N4148 after being filtered by electric capacity C16, C63/C15, C64 respectively after R02/R00, R03 connection
D1, D2 power to power supply IC U5D8400, and owing to chip U2, U4 are switching IC, it will be by electricity
The 0-22K signal of pressure and chip switching is delivered to chip U5 in the lump, now can cause voltage and 22K signal
Play a reversed role and disturb and cannot normally work, now increase electric capacity C16, C63/C15, C64 by miscellaneous for voltage signal letter
Number filter and utilize the one-way conduction performance of diode 1N4148D1, D2 by single output voltage and 0-22K
Signal individually enter and after output, block its signal disturbing thus realize disabling signal interference purpose.
The another object of the embodiment of the present invention is, it is provided that a kind of microwave including above-mentioned microwave frequency division circuit becomes
Frequently device.
Multiple switch units are directly directly connected on power supply unit by the embodiment of the present invention, directly single by switching
Unit's output+5V voltage, to power supply unit, makes power supply unit provide supply voltage for complete machine, makes multi output divide
Signal and supply voltage flow through single diode through respective filter circuit respectively and power directly to power supply unit, by
In diode unilateral conduction characteristic, therefore multiple power supplies voltage and signal disturbing and anti-channeling can be avoided.Simultaneously because
It is provided without anti-jamming circuit and voltage stabilizing chip, reduces cost and the power consumption of product, reduce product heat radiation, carry
High product service life.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (9)
1. a microwave frequency division circuit, it is characterised in that described circuit includes:
First radio frequency amplifying unit, for amplifying the horizontal radiofrequency signal that its input receives；
Second radio frequency amplifying unit, for amplifying the vertical radiofrequency signal that its input receives；
Power supply unit, for providing supply voltage, described power supply for described first, second radio frequency amplifying unit
First group of unit outfan of powering is connected with the energization input group of described first radio frequency amplifying unit, described
Second group of power supply unit outfan of powering is connected with the energization input group of described second radio frequency amplifying unit；
Merit subdivision, for will amplify after level, vertical radiofrequency signal be separately converted to multi-channel rf signal,
First, second input of described merit subdivision respectively with the output of described first, second radio frequency amplifying unit
End connects；
Intermediate frequency amplifying unit, is used for the multi-channel rf signal after merit being divided or intermediate-freuqncy signal is amplified processing,
Generate the output of the intermediate-freuqncy signal of high intensity, the input group of described intermediate frequency amplifying unit and described merit subdivision
End group correspondence connects；
First switch unit, for exporting first via radio frequency fractional frequency signal by the high and low local frequency of switching,
And control said supply unit output supply voltage, the input group of described first switch unit and described intermediate frequency
First group of outfan of amplifying unit connects, the feeder ear of described first switch unit and said supply unit
3rd feeder ear connects；
Second switch unit, for exporting the second road radio frequency fractional frequency signal by the high and low local frequency of switching,
And control said supply unit output supply voltage, the input group of described second switch unit and described intermediate frequency
Second group of outfan of amplifying unit connects, the feeder ear of described second switch unit and said supply unit
4th feeder ear connects；
First starting of oscillation unit, for for described first switch unit provide high and low local frequency, described first
The input of starting of oscillation unit is connected with the first medium frequency output end of described intermediate frequency amplifying unit, described first starting of oscillation
The outfan of unit is connected with the outfan of described first switch unit, the feeder ear of described first starting of oscillation unit
It is connected with the power end of described first switch unit；
Second starting of oscillation unit, for for described second switch unit provide high and low local frequency, described second
The input of starting of oscillation unit is connected with the second medium frequency output end of described intermediate frequency amplifying unit, described second starting of oscillation
The outfan of unit is connected with the outfan of described second switch unit, the feeder ear of described second starting of oscillation unit
End is connected with the power end end of described second switch unit.
2. circuit as claimed in claim 1, it is characterised in that described circuit also includes:
3rd switch unit, for exporting the 3rd road radio frequency fractional frequency signal by the high and low local frequency of switching,
The input group of described 3rd switch unit is connected with the 3rd group of outfan of described intermediate frequency amplifying unit, described
The feeder ear of the 3rd switch unit is connected with the 5th feeder ear of said supply unit；
3rd starting of oscillation unit, for for described 3rd switch unit provide high and low local frequency, the described 3rd
The input of starting of oscillation unit is connected with the 3rd medium frequency output end of described intermediate frequency amplifying unit, described 3rd starting of oscillation
The outfan of unit is connected with the outfan of described 3rd switch unit.
3. circuit as claimed in claim 1, it is characterised in that the power supply of described first radio frequency amplifying unit
Input group includes the first feeder ear, the second feeder ear, the 3rd feeder ear and the 4th feeder ear；
Described first radio frequency amplifying unit includes:
Resistance R1, resistance R2, resistance R3, resistance R4, electric capacity C1, electric capacity C2, electric capacity C3, electricity
Hold C6, electric capacity C7, electric capacity C8, electric capacity C9, the first switching tube and second switch pipe；
The input that control end is described first radio frequency amplifying unit of described first switching tube and described resistance
One end of R1 connects, and the other end of described resistance R1 is the first feeder ear of described first radio frequency amplifying unit
By described electric capacity C1 ground connection, the output head grounding of described first switching tube, described first switching tube defeated
Enter end to be connected with one end of described electric capacity C6 and described electric capacity C7, the input of described first switching tube simultaneously
It is connected with one end of one end of described electric capacity C3 and described resistance R2, another of described electric capacity C3 also simultaneously
End ground connection, the other end of described resistance R2 is that the second feeder ear of described first radio frequency amplifying unit passes through institute
State electric capacity C2 ground connection, the other end of described electric capacity C6 and described electric capacity C7 all simultaneously with described second switch
One end controlling end and described resistance R3 of pipe connects, and the other end of described resistance R3 is described first radio frequency
3rd feeder ear of amplifying unit pass through described electric capacity C8 ground connection, the output head grounding of described second switch pipe,
The input of described second switch pipe is the outfan of described first radio frequency amplifying unit and described resistance R4
One end connects, and the other end of described resistance R4 is that the 4th feeder ear of described first radio frequency amplifying unit passes through
Described electric capacity C9 ground connection；
The energization input group of described second radio frequency amplifying unit include the first feeder ear, the second feeder ear,
Three feeder ears and the 4th feeder ear；
Described second radio frequency amplifying unit includes:
Resistance R8, resistance R9, resistance R10, resistance R11, electric capacity C11, electric capacity C13, electric capacity C17,
Electric capacity C18, electric capacity C19, electric capacity C20, the 3rd switching tube and the 4th switching tube；
The input that control end is described second radio frequency amplifying unit of described 3rd switching tube and described resistance
One end of R8 connects, and the other end of described resistance R8 is the first feeder ear of described second radio frequency amplifying unit
By described electric capacity C11 ground connection, the output head grounding of described 3rd switching tube, described 3rd switching tube defeated
Enter end to be connected with one end of described electric capacity C18 and described electric capacity C19, the input of described 3rd switching tube simultaneously
End also one end with described resistance R9 is connected, and the other end of described resistance R9 is that described second radio frequency amplifies singly
Second feeder ear of unit by described electric capacity C13 ground connection, another of described electric capacity C18 and described electric capacity C19
End is connected with one end controlling end and described resistance R10 of described 4th switching tube all simultaneously, described resistance
The other end of R10 is that the 3rd feeder ear of described second radio frequency amplifying unit passes through described electric capacity C17 ground connection,
The output head grounding of described 4th switching tube, the input of described 4th switching tube is that described second radio frequency amplifies
The outfan of unit is connected with one end of described resistance R11, and the other end of described resistance R11 is described second
4th feeder ear of radio frequency amplifying unit passes through described electric capacity C20 ground connection.
4. circuit as claimed in claim 1, it is characterised in that power defeated for first group of said supply unit
Go out end and include the first outfan, the second outfan, the 3rd outfan, the 4th outfan, said supply unit
Second group of outfan of powering include the 5th outfan, the 6th outfan, the 7th outfan, the 8th outfan；
Said supply unit includes:
Resistance R00, resistance R01, resistance R02, resistance R03, resistance R06, resistance R7, electric capacity C4,
Electric capacity C12, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C63, electric capacity C64, diode D1,
Diode D2 and power supply chip；
The two ends of described electric capacity C4 connect 8 feet and 7 feet of described power supply chip, described power supply chip respectively
5 foot ground connection, the 4-1 foot of described power supply chip be respectively the first outfan of said supply unit, second
Outfan, the 3rd outfan, the 4th outfan, 9 feet of described power supply chip are connect by described electric capacity C12
Ground, the 10 of described power supply chip, 11 pins connect described resistance R7, one end of described resistance R6 respectively,
Described resistance R7, the other end simultaneously ground connection of described resistance R6, the 14 of described power supply chip, 15,12,
13 pins are respectively the 5th outfan of said supply unit, the 6th outfan, the 7th outfan, the 8th defeated
Going out end, 16 feet of described power supply chip pass through described electric capacity C14 ground connection, and 16 feet of described power supply chip are also
Being connected with the negative electrode of described diode D1, described diode D2, the anode of described diode D1 is same simultaneously
Time be connected with one end of one end of described resistance R02 and described electric capacity C63, the other end of described electric capacity C63
Ground connection, the other end of described resistance R02 simultaneously with one end of described resistance R01 and the one of described electric capacity C16
End connects, and the other end ground connection of described electric capacity C16, the other end of described resistance R01 is said supply unit
The 3rd feeder ear, the anode of described diode D2 simultaneously with one end and the described electric capacity of described resistance R03
One end of C64 connects, the other end ground connection of described electric capacity C64, the other end of described resistance R03 simultaneously with
One end of described resistance R00 and one end of described electric capacity C15 connect, the other end ground connection of described electric capacity C15,
The 4th feeder ear that the other end is said supply unit of described resistance R00.
5. circuit as claimed in claim 1, it is characterised in that the outfan group of described merit subdivision includes
First outfan, the second outfan, the 3rd outfan and the 4th outfan；
Described merit subdivision includes:
Resistance R13, resistance R14, resistance R16, resistance R17, resistance R28, electric capacity C22, electric capacity
C24, electric capacity C25, electric capacity C27, electric capacity C28；
One end of described resistance R17 is first input end one end with described electric capacity C28 of described merit subdivision
Connecting, the other end of described electric capacity C28 is the first outfan of described merit subdivision, described resistance R17's
The other end is connected with one end of one end of described resistance R17 and described resistance R28 simultaneously, described resistance R28
The other end be connected with one end of described electric capacity C27, the other end of described electric capacity C27 is described merit subdivision
The 3rd outfan, one end of described resistance R16 is that the second input of described merit subdivision is simultaneously with described
One end of one end of resistance R14 and described resistance R13 connects, the other end of described resistance R16 simultaneously with institute
The other end of one end and described resistance R14 of stating resistance R16 connects, and the other end of described resistance R13 is simultaneously
It is connected with one end of described electric capacity C22 and described electric capacity C25, the other end ground connection of described electric capacity C22, institute
Stating second outfan that the other end is described merit subdivision of electric capacity C25, the other end of described resistance R16 is also
Being connected with one end of described electric capacity C24, the other end of described electric capacity C24 is the 4th defeated of described merit subdivision
Go out end.
6. circuit as claimed in claim 1, it is characterised in that the input group of described intermediate frequency amplifying unit
Including first input end, the second input, the 3rd input, four-input terminal, described intermediate frequency amplifying unit
First group of outfan include the first outfan, the second outfan, the 3rd outfan, the 4th outfan, institute
State second group of outfan of intermediate frequency amplifying unit include the 5th outfan, the 6th outfan, the 7th outfan,
8th outfan；
Described intermediate frequency amplifying unit includes:
Resistance R5, resistance R12, resistance R19, resistance R20, resistance R23, resistance R29, resistance R30,
Resistance R30, resistance R32, resistance R2310, electric capacity C10, electric capacity C21, electric capacity C23, electric capacity C26,
Electric capacity C29, electric capacity C30, electric capacity C33, electric capacity C34, electric capacity C35, electric capacity C36, electric capacity C37,
Electric capacity C38, electric capacity C44, electric capacity C45, electric capacity C47, electric capacity C48, electric capacity C49, electric capacity C50,
Electric capacity C51, electric capacity C52, electric capacity C54, electric capacity C55, the 5th switching tube, the 6th switching tube, the 7th
Switching tube, the 8th switching tube；
The first input end that control end is described intermediate frequency amplifying unit of described 5th switching tube and described resistance
One end of R19 connects, and the other end of described resistance R19 is that the first outfan of described intermediate frequency amplifying unit leads to
Crossing described electric capacity C29 ground connection, the input of described 5th switching tube is connected with one end of described resistance R20,
The other end of described resistance R20 is that the second input of described intermediate frequency amplifying unit is connect by described electric capacity C30
Ground, the output head grounding of described 5th switching tube, the input of described 5th switching tube also simultaneously with described electricity
Hold one end connection of C33, described electric capacity C34, described electric capacity C37, the control end of described 6th switching tube
It is connected with one end of described resistance R29 for the second input of described intermediate frequency amplifying unit, described resistance R29
The 4th outfan that the other end is described intermediate frequency amplifying unit by described electric capacity C45 ground connection, the described 6th
The input of switching tube is connected with one end of described resistance R2310, and the other end of described resistance R2310 is institute
State the 3rd input of intermediate frequency amplifying unit by described electric capacity C44 ground connection, the output of described 6th switching tube
End ground connection, the input of described 6th switching tube also simultaneously with described electric capacity C35, the one of described electric capacity C36
End and described electric capacity C37 the other end connect, described electric capacity C33, described electric capacity C34, described electric capacity C35,
The other end of described electric capacity C36 all one end with described electric capacity C38 are connected, and one end of described electric capacity C38 is also
By described resistance R23 ground connection, the other end of described electric capacity C38 is in the first of described intermediate frequency amplifying unit
Frequently outfan；
The 3rd input that control end is described intermediate frequency amplifying unit of described 7th switching tube and described resistance
One end of R5 connects, and the other end of described resistance R5 is that the 5th outfan of described intermediate frequency amplifying unit passes through
Described electric capacity C10 ground connection, the input of described 7th switching tube is connected with one end of described resistance R30, institute
The 6th outfan that the other end is described intermediate frequency amplifying unit stating resistance R30 is connect by described electric capacity C47
Ground, the control end of described 7th switching tube passes through described electric capacity C26 ground connection, the output of described 7th switching tube
End ground connection, the outfan of described 7th switching tube also one end with described electric capacity C54 is connected, described electric capacity
The other end of C54 is that the 7th outfan of described intermediate frequency amplifying unit is connected with one end of described resistance R31,
The input of described 7th switching tube also simultaneously with described electric capacity C48, described electric capacity C49, described electric capacity C52
One end connect, described 8th switching tube control four-input terminal that end is described intermediate frequency amplifying unit simultaneously
It is connected with one end of described resistance R12 and described electric capacity C23, the other end ground connection of described electric capacity C23, institute
The 8th outfan that the other end is described intermediate frequency amplifying unit stating resistance R12 is connect by described electric capacity C21
Ground, the input of described 8th switching tube is connected with the other end of described resistance R31, described 8th switching tube
Output head grounding, the input of described 8th switching tube also simultaneously with described electric capacity C50, described electric capacity C51
One end and described electric capacity C52 the other end connect, described electric capacity C48, described electric capacity C49, described electricity
Hold C50, the other end all one end with described electric capacity C55 of described electric capacity C51 are connected, described electric capacity C55
One end also by described resistance R32 ground connection, the other end of described electric capacity C55 is described intermediate frequency amplifying unit
The second medium frequency output end.
7. circuit as claimed in claim 1, it is characterised in that the input group of described first switch unit
Including first input end, the second input, the 3rd input and four-input terminal；
Described first switch unit includes:
Resistance R25, resistance R26, resistance R27, electric capacity C42, electric capacity C43, electric capacity C46 and first
Switching chip；
Described first switching chip 1-4 foot be respectively the first input end of described first switch unit, second
Input, the 3rd input and four-input terminal, described first switching the 15 of chip, 16 feet pass through institute respectively
State resistance R26, described resistance R25 ground connection, 14 foot ground connection of described first switching chip, described first
15 feet of switching chip are connected with one end of resistance R27 and described electric capacity C42 simultaneously, described electric capacity C42
Other end ground connection, the other end of described resistance R27 is that the outfan of described first switch unit is by described
Electric capacity C43 ground connection, the feeder ear that 12 feet are described first switch unit of described first switching chip, institute
State the B end that 11 feet are described first switch unit of the first switching chip, the 9 of described first switching chip
Foot passes through described electric capacity C46 ground connection；
The input group of described second switch unit includes first input end, the second input, the 3rd input
With four-input terminal；
Described second switch unit includes:
Resistance R33, resistance R34, resistance R35, electric capacity C431, electric capacity C57, electric capacity C61 and second
Switching chip；
Described second switching chip 1-4 foot be respectively the first input end of described second switch unit, second
Input, the 3rd input and four-input terminal, described second switching the 15 of chip, 16 feet pass through institute respectively
State resistance R34, described resistance R33 ground connection, 14 foot ground connection of described second switching chip, described second
15 feet of switching chip are connected with one end of resistance R35 and described electric capacity C57 simultaneously, described electric capacity C57
Other end ground connection, the other end of described resistance R35 is that the outfan of described second switch unit is by described
Electric capacity C431 ground connection, the feeder ear that 12 feet are described second switch unit of described second switching chip, institute
State the D end that 11 feet are described second switch unit of the second switching chip, the 9 of described second switching chip
Foot passes through described electric capacity C61 ground connection.
8. circuit as claimed in claim 1, it is characterised in that described first starting of oscillation unit includes:
Resistance R21, resistance R22, electric capacity C31, electric capacity C32, electric capacity C39, electric capacity C40, electric capacity C
41, the first crystal oscillator and the first starting of oscillation chip；
8,9 feet of described first starting of oscillation chip are the input of described first starting of oscillation unit simultaneously, described first
The 1 of starting of oscillation chip, 3,7 foot ground connection, 4,5 feet of described first starting of oscillation chip are connected to described first
The two ends of crystal oscillator, 2 feet of described first starting of oscillation chip are connected with one end of described electric capacity C31, described electric capacity
The other end of C31 is connected with one end of described resistance R21, and the other end of described resistance R21 is described first
The outfan of starting of oscillation unit, the radio frequency grounding pin ground connection of described first starting of oscillation chip, described first starting of oscillation core
The power pins of sheet be the feeder ear of described first starting of oscillation unit by described electric capacity C32 ground connection, described first
The external phaselocked loop pin of starting of oscillation chip is connected with one end of described electric capacity C39, described electric capacity C41 simultaneously,
The other end of described electric capacity C41 is connected with one end of described resistance R22, and the other end of described resistance R22 is same
Time with the high point vibrational control pin of described first starting of oscillation chip, the other end of described electric capacity C39, described electricity
The one end holding C40 connects, the other end ground connection of described electric capacity C40；
Described second starting of oscillation unit includes:
Resistance R36, resistance R37, electric capacity C53, electric capacity C56, electric capacity C58, electric capacity C59, electric capacity C
60, the second crystal oscillator and the second starting of oscillation chip；
8,9 feet of described second starting of oscillation chip are the input of described second starting of oscillation unit simultaneously, described second
The 1 of starting of oscillation chip, 3,7 foot ground connection, 4,5 feet of described second starting of oscillation chip are connected to described second
The two ends of crystal oscillator, 2 feet of described second starting of oscillation chip are connected with one end of described electric capacity C60, described electric capacity
The other end of C60 is connected with one end of described resistance R37, and the other end of described resistance R37 is described second
The outfan of starting of oscillation unit, the radio frequency grounding pin ground connection of described second starting of oscillation chip, described second starting of oscillation core
The power pins of sheet be the feeder ear of described second starting of oscillation unit by described electric capacity C32 ground connection, described second
The external phaselocked loop pin of starting of oscillation chip is connected with one end of described electric capacity C58, described electric capacity C59 simultaneously,
The other end of described electric capacity C58 is connected with one end of described resistance R36, and the other end of described resistance R36 is same
Time with the high point vibrational control pin of described second starting of oscillation chip, the other end of described electric capacity C59, described electricity
The one end holding C56 connects, the other end ground connection of described electric capacity C56.
9. a microwave converter, it is characterised in that described microwave converter includes such as claim 1 to 8
Microwave frequency division circuit described in any one.
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| CN108964422A (en) * | 2018-08-27 | 2018-12-07 | 华讯方舟科技有限公司 | A kind of dual output list local oscillator microwave frequency changer circuit and frequency converter |
| CN108964684A (en) * | 2018-10-15 | 2018-12-07 | 华讯方舟科技有限公司 | A kind of microwave drop current circuit |
| CN112332873A (en) * | 2020-09-21 | 2021-02-05 | 北京无线电测量研究所 | Broadband power division filtering component |
| CN112332873B (en) * | 2020-09-21 | 2022-09-23 | 北京无线电测量研究所 | Broadband power division filtering component |
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| Publication number | Publication date |
|---|---|
| CN105915263B (en) | 2018-09-21 |
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Effective date of registration: 20211105 Address after: 518000 418, floor 4, building 37, chentian Industrial Zone, Baotian 1st Road, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee after: SHENZHEN HUAXUN FANGZHOU SATELLITE INDUSTRIAL TECHNOLOGY Co.,Ltd. Address before: 434020 shacen Road (Zhuqiao Industrial Park), Jingzhou Development Zone, Jingzhou City, Hubei Province Patentee before: CHINA COMMUNICATION TECHNOLOGY(HUBEI) Co.,Ltd. |