CN106712799A - Frequency converter and microwave frequency conversion circuit thereof - Google Patents
Frequency converter and microwave frequency conversion circuit thereof Download PDFInfo
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- CN106712799A CN106712799A CN201710036882.0A CN201710036882A CN106712799A CN 106712799 A CN106712799 A CN 106712799A CN 201710036882 A CN201710036882 A CN 201710036882A CN 106712799 A CN106712799 A CN 106712799A
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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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
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Abstract
The invention provides a frequency converter and a microwave frequency conversion circuit thereof. The microwave frequency conversion circuit comprises a radio frequency amplification module, a filtering module, a control module, a crystal oscillation module and a voltage-stabilizing module, wherein the filtering module comprises a capacitor device and a microstrip filtering structure with a length-width ratio ranging from 1 to 2. According to the frequency converter and the microwave frequency conversion circuit thereof, the novel filtering structure composed of the capacitor device and the plane type microstrip filtering structure with the length-width ratio ranging from 1 to 2 is adopted for filtering signals output by the radio frequency amplification module, thus the area of a PCB of the frequency converter can be effectively reduced, the weight of the frequency converter can be decreased, and the cost can be saved.
Description
Technical field
The embodiment of the present invention belongs to microwave technical field, more particularly to a kind of frequency converter and its microwave frequency changer circuit.
Background technology
With developing rapidly for microwave technology, realize that the electronic product of microwave signal process is also got over by microwave converter
Come more.However, in the microwave frequency changer circuit of existing microwave converter, generally using by a plurality of microstrip line in the same direction simultaneously
Row sets the filter structure for constituting and radiofrequency signal is filtered, and after causing microwave frequency changer circuit to be laid on pcb board, causes
The area of the pcb board of microwave converter is larger, so as to increase the weight of microwave converter, increased manufacturing cost.
The content of the invention
The present invention provides a kind of frequency converter and its microwave frequency changer circuit, can effectively reduce the pcb board area of frequency converter, drops
The weight of low frequency inverter, it is cost-effective.
One aspect of the present invention provides a kind of microwave frequency changer circuit of frequency converter, it include RF Amplifier Module, filtration module,
Control module, crystal oscillator module and Voltage stabilizing module, the filtration module include capacitor element and the plane that aspect ratio range is 1~2
Decline band filter structure；
The input of the capacitor element is the input of the filtration module, and the output termination of the capacitor element is described
The input of micro-strip filter structure, the output end of the micro-strip filter structure is the output end of the filtration module；The radio frequency
The first input end of amplification module accesses horizontal polarization signals, and the second input of the RF Amplifier Module accesses vertical polarization
Signal, the first controlled end of the RF Amplifier Module, the second controlled end, the 3rd controlled end, the first power end, second source end
With the 3rd power end the first control end respectively with the Voltage stabilizing module, the second control end, the 3rd control end, the first feeder ear,
Second feeder ear and the 3rd feeder ear connect one to one, and the output of the RF Amplifier Module terminates the defeated of the filtration module
Enter end, the RF signal input end of the output termination control module of the filtration module, the local oscillator letter of the control module
Number input and crystal oscillator control end connect one to one with the local oscillation signal output end and controlled end of the crystal oscillator module respectively, institute
State the external receiver of input/output terminal of control module and be input into the control signal of the receiver output, the Voltage stabilizing module
The power end of the 4th power supply termination control module, the external receiver of input of the Voltage stabilizing module is simultaneously input into described
The voltage signal of receiver output；
The RF Amplifier Module is controlled to believe the horizontal polarization signals and the vertical polarization by the Voltage stabilizing module
Number be amplified, the filtration module by the amplification after the horizontal polarization signals, amplify after vertical polarization letter
Radiofrequency signal of the frequency in the range of predeterminated frequency number is filtered into, the control module controls the crystalline substance according to the control signal
Module of shaking exports the local oscillation signal of predeterminated frequency, and the control module is by the radiofrequency signal and the local oscillation signal Frequency mixing processing
For intermediate-freuqncy signal and export to the receiver, the Voltage stabilizing module distinguishes the voltage-regulation of the voltage signal to preset value
It is that the RF Amplifier Module and the control module are powered.
Preferably, the length range of the micro-strip filter structure be 0mm~6.6mm, width range be 0mm~6.1mm, institute
State the horizontal polarization signals after amplifying, the vertical polarization signal after amplification defeated by the left side of the micro-strip filter structure
Enter, radiofrequency signal of the output frequency in the range of predeterminated frequency after being filtered through the micro-strip filter structure.
Preferably, the RF Amplifier Module includes that the first radio frequency amplifying unit, the second radio frequency amplifying unit and the 3rd are penetrated
Frequency amplifying unit；
The input of the first radio frequency amplifying unit, controlled end and power end are respectively the of the RF Amplifier Module
One input, the first controlled end and the first power end, the output end of the first radio frequency amplifying unit are put with second radio frequency
The input of the output end of big unit and the 3rd radio frequency amplifying unit connects altogether；
The input of the second radio frequency amplifying unit, controlled end and power end are respectively the of the RF Amplifier Module
Two inputs, the second controlled end and second source end；
It is the 3rd controlled that the controlled end and power end of the 3rd radio frequency amplifying unit are respectively the RF Amplifier Module
End and the 3rd power end, the output end of the 3rd radio frequency amplifying unit is the output end of the RF Amplifier Module；
The first radio frequency amplifying unit is once amplified by Voltage stabilizing module control to the horizontal polarization signals,
The second radio frequency amplifying unit is once amplified by Voltage stabilizing module control to the vertical polarization signal, and the described 3rd
Radio frequency amplifying unit by the Voltage stabilizing module control to once amplifying after the horizontal polarization signals and once amplification after institute
Stating vertical polarization signal carries out output after secondary amplification.
Preferably, the first radio frequency amplifying unit includes the first N-type FET, the first current-limiting resistance, the second current limliting
Resistance, the first shunt capacitance and the second shunt capacitance；
The grid of the first N-type FET connects composition first radio frequency altogether with one end of first current-limiting resistance
The input of amplifying unit, it is described that the other end of first current-limiting resistance connects composition altogether with the anode of first shunt capacitance
The controlled end of the first radio frequency amplifying unit, the minus earth of first shunt capacitance, the drain electrode of the first N-type FET and institute
The one end for stating the second current-limiting resistance connects the output end for constituting the first radio frequency amplifying unit altogether, second current-limiting resistance it is another
The anode of one end and second shunt capacitance connects the controlled end for constituting the first radio frequency amplifying unit, second bypass altogether
The minus earth of electric capacity, the source ground of the first N-type FET.
Preferably, the second radio frequency amplifying unit includes the second N-type FET, the 3rd current-limiting resistance, the 4th current limliting
Resistance, the 3rd shunt capacitance and the 4th shunt capacitance；
The grid of the second N-type FET connects composition second radio frequency altogether with one end of the 3rd current-limiting resistance
The input of amplifying unit, the other end and the anode of the 3rd shunt capacitance of the 3rd current-limiting resistance connect described in composition altogether
The controlled end of the second radio frequency amplifying unit, the minus earth of the 3rd shunt capacitance, the drain electrode of the second N-type FET and institute
The one end for stating the 4th current-limiting resistance connects the output end for constituting the second radio frequency amplifying unit altogether, the 4th current-limiting resistance it is another
The anode of one end and the 4th shunt capacitance connects the controlled end for constituting the second radio frequency amplifying unit, the 4th bypass altogether
The minus earth of electric capacity, the source ground of the second N-type FET.
Preferably, the 3rd radio frequency amplifying unit includes the 3rd N-type FET, the 5th current-limiting resistance, the 6th current limliting
Resistance, the 5th shunt capacitance and the 6th shunt capacitance；
The grid of the 3rd N-type FET connects composition the 3rd radio frequency altogether with one end of the 5th current-limiting resistance
The input of amplifying unit, the other end and the anode of the 5th shunt capacitance of the 5th current-limiting resistance connect described in composition altogether
The controlled end of the 3rd radio frequency amplifying unit, the minus earth of the 5th shunt capacitance, the drain electrode of the 3rd N-type FET and institute
The one end for stating the 6th current-limiting resistance connects the output end for constituting the 3rd radio frequency amplifying unit altogether, the 6th current-limiting resistance it is another
The anode of one end and the 6th shunt capacitance connects the controlled end for constituting the 3rd radio frequency amplifying unit, the 6th bypass altogether
The minus earth of electric capacity, the source ground of the 3rd N-type FET.
Preferably, the RF Amplifier Module also includes the first coupled capacitor and the second coupled capacitor；
The anode of first coupled capacitor connects the output end of the first radio frequency amplifying unit, second coupled capacitor
Anode connect the output end of the second radio frequency amplifying unit, the negative electrode of first coupled capacitor and second coupled capacitor
Negative electrode be connected to the input of the 3rd radio frequency amplifying unit altogether.
Preferably, the control module includes control chip, the 3rd coupled capacitor, the 4th coupled capacitor, the 7th bypass electricity
Hold and the 8th shunt capacitance, the crystal oscillator module is crystal oscillator；
The RF signal input end and power end of the control chip are respectively the radiofrequency signal input of the control module
End and power end, the local oscillation signal input of the control chip connect the composition control altogether with the anode of the 7th shunt capacitance
The anode of the local oscillation signal input of molding block, the crystal oscillator control end of the control chip and the 8th shunt capacitance connects structure altogether
Into the crystal oscillator control end of the control module, the negative electrode of the negative electrode of the 7th shunt capacitance and the 8th shunt capacitance is grounded,
The input and output of the control chip terminate the anode of the 3rd coupled capacitor, and the anode of the 3rd coupled capacitor connects described
The anode of the 4th coupled capacitor, the negative electrode of the 4th coupled capacitor is the input/output terminal of the control module.
Preferably, the Voltage stabilizing module includes voltage stabilizing chip, the 7th current-limiting resistance, the 8th shunt capacitance and the 9th bypass electricity
Hold；
First control end of the voltage stabilizing chip, the second control end, the 3rd control end, the first feeder ear, the second feeder ear,
3rd feeder ear and the 4th feeder ear are respectively the first control end, the second control end, the 3rd control end, of the Voltage stabilizing module
One feeder ear, the second feeder ear, the 3rd feeder ear and the 4th feeder ear, the input of the voltage stabilizing chip and the described 8th bypass
One end of the anode of electric capacity and the 7th current-limiting resistance is connect altogether, and the other end of the 7th current-limiting resistance and the described 9th is bypassed
The anode of electric capacity connects the input for constituting the Voltage stabilizing module, the negative electrode of the 8th shunt capacitance and the 9th bypass electricity altogether
The negative electrode of appearance is grounded.
Another aspect of the present invention also provides a kind of frequency converter, and it includes above-mentioned microwave frequency changer circuit.
The present invention is by using what is be made up of for 1~2 plane formula micro-strip filter structure capacitor element and aspect ratio range
New filter structure is filtered to the signal that RF Amplifier Module is exported, and can effectively reduce the pcb board area of frequency converter, drop
The weight of low frequency inverter, it is cost-effective.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is the basic structure block diagram of the microwave frequency changer circuit that one embodiment of the present of invention is provided；
Fig. 2 is the structural representation of the micro-strip filter structure that one embodiment of the present of invention is provided；
Fig. 3 is the concrete structure block diagram of the microwave frequency changer circuit that one embodiment of the present of invention is provided；
Fig. 4 is the electrical block diagram of the microwave frequency changer circuit that one embodiment of the invention is provided.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is explicitly described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is the present invention one
The embodiment divided, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, should all belong to the scope of protection of the invention.
In description and claims of this specification and above-mentioned accompanying drawing term " including " and their any deformations, meaning
Figure is to cover non-exclusive including.Process, method or system, product or equipment for example comprising series of steps or unit do not have
The step of having listed or unit are defined in, but alternatively also include the step of not listing or unit, or alternatively also wrapped
Include for these processes, method, product or other intrinsic steps of equipment or unit.Additionally, term " first ", " second " and
" 3rd " etc. is for distinguishing different objects, not for description particular order.
As shown in figure 1, one embodiment of the present of invention provides a kind of microwave frequency changer circuit 100 of frequency converter, it includes penetrating
Frequency amplification module 10, filtration module 20, control module 30, crystal oscillator module 40 and Voltage stabilizing module 50；Wherein, filtration module 20 includes
Capacitor element 21 and aspect ratio range are 1~2 plane formula micro-strip filter structure 22.
Annexation in the microwave frequency changer circuit 100 that the present embodiment is provided between each module is：
The input of capacitor element 21 is the input of filtration module 20, the output termination plane formula micro-strip of capacitor element 21
The input of filter structure 22, the output end of plane formula micro-strip filter structure 22 is the output end of filtration module 20；
The first input end of RF Amplifier Module 10 accesses horizontal polarization signals, the second input of RF Amplifier Module 10
Access vertical polarization signal, the first controlled end of RF Amplifier Module, the second controlled end, the 3rd controlled end, the first power end, the
The first control end, the second control end, the 3rd control end, the first confession respectively with Voltage stabilizing module 50 of two power ends and the 3rd power end
Electric end, the second feeder ear and the 3rd feeder ear connect one to one, the output termination filtration module 20 of RF Amplifier Module 10
Input, the RF signal input end of the output termination control module 30 of filtration module 20, the local oscillation signal of control module 30 is defeated
Enter end and crystal oscillator control end connects one to one with the local oscillation signal output end and controlled end of crystal oscillator module 40 respectively, control module
The control signal of the 30 external receiver 200 of input/output terminal and input receiver 200 output, the 4th power supply of Voltage stabilizing module 50
Terminate the power end of control module 30, the electricity of the external receiver 200 of input and input receiver 200 output of Voltage stabilizing module 50
Pressure signal.
In the present embodiment, the input of the input/output terminal of control module 30 and Voltage stabilizing module 50 is connected to receiver altogether
200.In a particular application, the input of the input/output terminal of control module 30 and Voltage stabilizing module 50 can also respectively connect reception
Machine 200.
As shown in Fig. 2 in one embodiment of the invention, plane formula micro-strip filter structure 22 is specifically by the first of capitate
Second microstrip structure 222 and the 3rd microstrip structure 223 of rectangle of microstrip structure 221, spill, the plane formula micro-strip filter structure
22 lateral length is 3.33mm, and longitudinally wide is 3.02mm.
Wherein, the first microstrip structure 221 is two dodecagon structures, from first side in the lower left corner of the first microstrip structure 221
Size to the second twelve edge totally two ten two sides of its bottom is followed successively by：0.16mm、0.25mm、0.23mm、0.23mm、
0.25mm、0.16mm、0.38mm、1.14mm、0.35mm、0.85mm、1.8mm、0.13mm、0.19mm、0.06mm、0.50mm、
0.50mm、0.06mm、0.19mm、1.10mm、2.00mm；Second microstrip structure 222 is decagon structure, from the second microstrip structure
Size of the first of 222 lower left corners in the odd plots of land that can be cultivated totally ten to its bottom is followed successively by：1.04mm、0.04mm、0.75mm、
0.27mm、1.11mm、0.23mm、1.11mm、0.27mm、1.79mm、0.73mm；3rd microstrip structure 223 be away from shape structure, its
The size of side long and short side is respectively：0.38mm and 1.15mm；The rightmost side side of first microstrip structure 221 and the second microstrip structure
Gap width between 222 and the leftmost side side of the 3rd microstrip structure 223 is 0.31mm；The side of the bottom of the second microstrip structure 222 is arrived
Gap width between the side at the top of the 3rd microstrip structure 223 is 0.08mm.
The size and dimension of the plane formula micro-strip filter structure 22 shown in Fig. 2 be it is exemplary, in a particular application, its shape
Shape and size can make trickle adjustment according to the specific requirement of actual microwave frequency changer circuit, as long as ensureing its its aspect ratio range
It is 1~2.
In one embodiment of the invention, the length range of micro-strip filter structure is that 0mm~6.6mm, width range are
0mm~6.1mm, the vertical polarization signal after horizontal polarization signals, amplification after amplification is input into by the left side of micro-strip filter structure,
Radiofrequency signal of the output frequency in the range of predeterminated frequency after being filtered through micro-strip filter structure.
The operation principle of the microwave frequency changer circuit 100 that the present embodiment is provided is：
RF Amplifier Module is amplified by Voltage stabilizing module control to horizontal polarization signals and vertical polarization signal, filters mould
Horizontal polarization signals after amplification, the vertical polarization signal filtering after amplification are radio frequency of the frequency in the range of predeterminated frequency by block
Signal, control module controls crystal oscillator module to export the local oscillation signal of predeterminated frequency according to control signal, and control module believes radio frequency
Number and local oscillation signal Frequency mixing processing be intermediate-freuqncy signal and export to receiver that Voltage stabilizing module is by the voltage-regulation of voltage signal to pre-
If value is respectively RF Amplifier Module and control module is powered.
In a particular application, control module adjusts the frequency of the local oscillation signal of its input according to the control signal that receiver is exported
Rate size, and then the frequency size of the intermediate-freuqncy signal exported after its mixing is adjusted, exported with the control signal gone out according to receiver
The intermediate-freuqncy signal of appropriate frequency；The filtering of the operation principle of the micro-strip filter structure that the present embodiment is provided and the microstrip line of routine
Principle is identical, and the vertical polarization signal after horizontal polarization signals, amplification after amplification is filtered after being filtered via capacitor element by micro-strip
The leftmost side of wave structure is exported into right side, and signal is filtered into radiofrequency signal of the frequency in the range of predeterminated frequency.
The present embodiment is made up of by using capacitor element and aspect ratio range for 1~2 plane formula micro-strip filter structure
New filter structure the signal that RF Amplifier Module is exported is filtered, the pcb board area of frequency converter can be effectively reduced,
The weight of frequency converter is reduced, it is cost-effective.
As shown in figure 3, in one embodiment of the invention, RF Amplifier Module 10 includes the first radio frequency amplifying unit
11st, the second radio frequency amplifying unit 12 and the 3rd radio frequency amplifying unit 13.
Annexation in the RF Amplifier Module 10 that the present embodiment is provided between each unit is：
It is first defeated that the input of the first radio frequency amplifying unit 11, controlled end and power end are respectively RF Amplifier Module 10
Enter end, the first controlled end and the first power end, the output end of the first radio frequency amplifying unit 11 and the second radio frequency amplifying unit 12
The input of output end and the 3rd radio frequency amplifying unit 13 connects altogether；
It is second defeated that the input of the second radio frequency amplifying unit 12, controlled end and power end are respectively RF Amplifier Module 10
Enter end, the second controlled end and second source end；
The controlled end and power end of the 3rd radio frequency amplifying unit 13 be respectively RF Amplifier Module 10 the 3rd controlled end and
3rd power end, the output end of the 3rd radio frequency amplifying unit 13 is the output end of RF Amplifier Module.
In a particular application, the first radio frequency amplifying unit 11, the second radio frequency amplifying unit 12 and the 3rd radio frequency amplifying unit
13 specifically can be from transistors with signal amplification such as FET, triodes.
The operation principle of each unit is in the RF Amplifier Module 10 that the present embodiment is provided：
First radio frequency amplifying unit is once amplified by Voltage stabilizing module control to horizontal polarization signals, and the second radio frequency amplifies
Unit is once amplified by Voltage stabilizing module control to vertical polarization signal, and it is right that the 3rd radio frequency amplifying unit is controlled by Voltage stabilizing module
Horizontal polarization signals after once amplifying and the vertical polarization signal after once amplifying carry out output after secondary amplification.
As shown in figure 4, in one embodiment of the invention, the first radio frequency amplifying unit 11 includes the first N-type field-effect
Pipe Q1, the first current-limiting resistance R1, the second current-limiting resistance R2, the first shunt capacitance C1 and the second shunt capacitance C2；
The grid of the first N-type FET Q1 and one end of the first current-limiting resistance R1 connect the first radio frequency amplifying unit of composition altogether
The anode of 11 input, the other end of the first current-limiting resistance R1 and the first shunt capacitance C1 connects the first radio frequency of composition and amplifies single altogether
The controlled end of unit 11, the minus earth of the first shunt capacitance C1, drain electrode and the second current-limiting resistance R2 of the first N-type FET Q1
One end connect altogether constitute the first radio frequency amplifying unit 11 output end, the other end and the second shunt capacitance of the second current-limiting resistance R2
The anode of C2 connects the controlled end for constituting the first radio frequency amplifying unit 11, the minus earth of the second shunt capacitance C2, the first N-type altogether
The source ground of effect pipe Q1.
Second radio frequency amplifying unit 12 includes the second N-type FET Q2, the 3rd current-limiting resistance R3, the 4th current-limiting resistance
R4, the 3rd shunt capacitance C3 and the 4th shunt capacitance C4；
The grid of the second N-type FET Q2 and one end of the 3rd current-limiting resistance R3 connect the second radio frequency amplifying unit of composition altogether
12 input, the other end of the 3rd current-limiting resistance R3 and the anode of the 3rd shunt capacitance C3 connect the second radio frequency of composition and amplify single altogether
The controlled end of unit 12, the minus earth of the 3rd shunt capacitance C3, drain electrode and the 4th current-limiting resistance R4 of the second N-type FET Q2
One end connect altogether constitute the second radio frequency amplifying unit 12 output end, the other end and the 4th shunt capacitance of the 4th current-limiting resistance R4
The anode of C4 connects the controlled end for constituting the second radio frequency amplifying unit 12, the minus earth of the 4th shunt capacitance C4, the second N-type altogether
The source ground of effect pipe Q2.
3rd radio frequency amplifying unit 13 includes the 3rd N-type FET Q3, the 5th current-limiting resistance R5, the 6th current-limiting resistance
R6, the 5th shunt capacitance C5 and the 6th shunt capacitance C6；
The grid of the 3rd N-type FET Q3 and one end of the 5th current-limiting resistance R5 connect the 3rd radio frequency amplifying unit of composition altogether
13 input, the other end of the 5th current-limiting resistance R5 and the anode of the 5th shunt capacitance C5 connect the 3rd radio frequency of composition and amplify single altogether
The controlled end of unit 13, the minus earth of the 5th shunt capacitance C5, drain electrode and the 6th current-limiting resistance R6 of the 3rd N-type FET Q3
One end connect altogether constitute the 3rd radio frequency amplifying unit 13 output end, the other end and the 6th shunt capacitance of the 6th current-limiting resistance R6
The anode of C6 connects the controlled end for constituting the 3rd radio frequency amplifying unit 13, the minus earth of the 6th shunt capacitance C6, the 3rd N-type altogether
The source ground of effect pipe Q3.
In a particular application, the first N-type FET Q1, the second N-type FET Q2 and the 3rd N-type FET Q3 can
With equivalence replacement as triode or p-type FET.
As shown in figure 4, in the present embodiment, RF Amplifier Module 10 also includes the coupling electricity of the first coupled capacitor C7 and second
Hold C8.
The anode of the first coupled capacitor C7 connects the output end of the first radio frequency amplifying unit 11, the anode of the second coupled capacitor C8
Connect the output end of the second radio frequency amplifying unit 12, the negative electrode of the negative electrode of the first coupled capacitor C7 and the second coupled capacitor C8 is connected to altogether
The input of the 3rd radio frequency amplifying unit 13.
As shown in figure 4, in the present embodiment, capacitor element 21 is filter capacitor C9；Control module 30 includes control chip
U1, the 7th shunt capacitance C10, the 8th shunt capacitance C11, the 3rd coupled capacitor C12 and the 4th coupled capacitor C13, crystal oscillator module
40 is crystal oscillator U2.
The RF signal input end and power end of control chip U1 be respectively control module 30 RF signal input end and
Power end, the local oscillation signal input of control chip U1 and the anode of the 7th shunt capacitance C10 connect constitute control module 30 altogether
Local oscillation signal input, the crystal oscillator control end of control chip U1 and the anode of the 8th shunt capacitance C11 connect composition control module altogether
30 crystal oscillator control end, the negative electrode of the 7th shunt capacitance C10 and the negative electrode of the 8th shunt capacitance C11 are grounded, control chip U1
Input and output terminate the anode of the 3rd coupled capacitor C12, the anode of the 3rd coupled capacitor C12 connects the 4th coupled capacitor C13's
Anode, the negative electrode of the 4th coupled capacitor 13 is the input/output terminal of control module 30.
In a particular application, control chip U1 can specifically select NXP1017 cake cores.
As shown in figure 4, in the present embodiment, Voltage stabilizing module 50 includes voltage stabilizing chip U3, the 7th current-limiting resistance R7, the 8th bypass
Electric capacity C14 and the 9th shunt capacitance C15.
First control end, the second control end, the 3rd control end, the first feeder ear, the second feeder ear, of voltage stabilizing chip U3
Three feeder ears and the 4th feeder ear are respectively the first control end, the second control end, the 3rd control end, first confession of Voltage stabilizing module 50
Electric end, the second feeder ear, the 3rd feeder ear and the 4th feeder ear, the input of voltage stabilizing chip U3 and the 8th shunt capacitance C14's
One end of anode and the 7th current-limiting resistance R7 connect altogether, the other end of the 7th current-limiting resistance R7 and the anode of the 9th shunt capacitance C15
The input for constituting Voltage stabilizing module 50 is connect altogether, and the negative electrode of the 8th shunt capacitance C14 and the negative electrode of the 9th shunt capacitance C15 connect
Ground.
In a particular application, voltage stabilizing chip U3 can select ZXNB4200 type voltage stabilizing chips, its input 13V or 18V direct current,
Output+5V direct currents are respectively three FETs and control chip is powered.
The embodiment of the present invention also provides a kind of frequency converter, and it includes above-mentioned microwave frequency changer circuit, by above-mentioned microwave frequency conversion
Circuit constitute frequency changer is simple, lightweight, stable performance.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. the microwave frequency changer circuit of a kind of frequency converter, it is characterised in that the microwave frequency changer circuit includes RF Amplifier Module, filter
Ripple module, control module, crystal oscillator module and Voltage stabilizing module, the filtration module include that capacitor element and aspect ratio range are 1~2
Plane formula micro-strip filter structure；
The input of the capacitor element is the input of the filtration module, and the output of the capacitor element terminates the micro-strip
The input of filter structure, the output end of the micro-strip filter structure is the output end of the filtration module；The radio frequency amplifies
The first input end of module accesses horizontal polarization signals, and the second input of the RF Amplifier Module accesses vertical polarization letter
Number, the first controlled end of the RF Amplifier Module, the second controlled end, the 3rd controlled end, the first power end, second source end and
3rd power end the first control end, the second control end, the 3rd control end, the first feeder ear, respectively with the Voltage stabilizing module
Two feeder ears and the 3rd feeder ear connect one to one, the input of the output termination filtration module of the RF Amplifier Module
End, the RF signal input end of the output termination control module of the filtration module, the local oscillation signal of the control module
Input and crystal oscillator control end connect one to one with the local oscillation signal output end and controlled end of the crystal oscillator module respectively, described
The external receiver of input/output terminal of control module is simultaneously input into the control signal of receiver output, and the of the Voltage stabilizing module
The power end of the four power supply termination control modules, connects described in the external receiver of input of the Voltage stabilizing module and input
The voltage signal of receipts machine output；
The RF Amplifier Module is entered by Voltage stabilizing module control to the horizontal polarization signals and the vertical polarization signal
Row amplify, the filtration module by the amplification after the horizontal polarization signals, amplify after the vertical polarization signal filter
Ripple is radiofrequency signal of the frequency in the range of predeterminated frequency, and the control module controls the crystal oscillator mould according to the control signal
Block exports the local oscillation signal of predeterminated frequency, during the radiofrequency signal and the local oscillation signal Frequency mixing processing are by the control module
Frequency signal is simultaneously exported to the receiver, and the voltage-regulation of the voltage signal to preset value is respectively institute by the Voltage stabilizing module
State RF Amplifier Module and the control module is powered.
2. the microwave frequency changer circuit of frequency converter as claimed in claim 1, it is characterised in that the length of the micro-strip filter structure
Scope is 0mm~6.6mm, width range is 0mm~6.1mm, the institute after the horizontal polarization signals, amplification after the amplification
State vertical polarization signal to be input into by the left side of the micro-strip filter structure, output frequency exists after being filtered through the micro-strip filter structure
Radiofrequency signal in the range of predeterminated frequency.
3. the microwave frequency changer circuit of frequency converter as claimed in claim 1, it is characterised in that the RF Amplifier Module includes the
One radio frequency amplifying unit, the second radio frequency amplifying unit and the 3rd radio frequency amplifying unit；
It is first defeated that the input of the first radio frequency amplifying unit, controlled end and power end are respectively the RF Amplifier Module
Enter end, the first controlled end and the first power end, the output end of the first radio frequency amplifying unit amplifies single with second radio frequency
The output end of unit and the input of the 3rd radio frequency amplifying unit connect altogether；
It is second defeated that the input of the second radio frequency amplifying unit, controlled end and power end are respectively the RF Amplifier Module
Enter end, the second controlled end and second source end；
The controlled end and power end of the 3rd radio frequency amplifying unit be respectively the RF Amplifier Module the 3rd controlled end and
3rd power end, the output end of the 3rd radio frequency amplifying unit is the output end of the RF Amplifier Module；
The first radio frequency amplifying unit is once amplified by Voltage stabilizing module control to the horizontal polarization signals, described
Second radio frequency amplifying unit is once amplified by Voltage stabilizing module control to the vertical polarization signal, the 3rd radio frequency
Amplifying unit controlled to once amplifying by the Voltage stabilizing module after horizontal polarization signals and described vertical after once amplifying
Straight polarized signal is exported after carrying out secondary amplification.
4. the microwave frequency changer circuit of frequency converter as claimed in claim 3, it is characterised in that the first radio frequency amplifying unit bag
Include the first N-type FET, the first current-limiting resistance, the second current-limiting resistance, the first shunt capacitance and the second shunt capacitance；
The grid of the first N-type FET connects composition first radio frequency and amplifies altogether with one end of first current-limiting resistance
The input of unit, the other end of first current-limiting resistance connects composition described first altogether with the anode of first shunt capacitance
The controlled end of radio frequency amplifying unit, the minus earth of first shunt capacitance, the drain electrode of the first N-type FET and described
One end of two current-limiting resistances connects the output end for constituting the first radio frequency amplifying unit, the other end of second current-limiting resistance altogether
Connect the controlled end for constituting the first radio frequency amplifying unit, second shunt capacitance altogether with the anode of second shunt capacitance
Minus earth, the source ground of the first N-type FET.
5. the microwave frequency changer circuit of frequency converter as claimed in claim 3, it is characterised in that the second radio frequency amplifying unit bag
Include the second N-type FET, the 3rd current-limiting resistance, the 4th current-limiting resistance, the 3rd shunt capacitance and the 4th shunt capacitance；
The grid of the second N-type FET connects composition second radio frequency and amplifies altogether with one end of the 3rd current-limiting resistance
The input of unit, the other end and the anode of the 3rd shunt capacitance of the 3rd current-limiting resistance connect composition described second altogether
The controlled end of radio frequency amplifying unit, the minus earth of the 3rd shunt capacitance, the drain electrode of the second N-type FET and described
One end of four current-limiting resistances connects the output end for constituting the second radio frequency amplifying unit, the other end of the 4th current-limiting resistance altogether
Connect the controlled end for constituting the second radio frequency amplifying unit, the 4th shunt capacitance altogether with the anode of the 4th shunt capacitance
Minus earth, the source ground of the second N-type FET.
6. the microwave frequency changer circuit of frequency converter as claimed in claim 3, it is characterised in that the 3rd radio frequency amplifying unit bag
Include the 3rd N-type FET, the 5th current-limiting resistance, the 6th current-limiting resistance, the 5th shunt capacitance and the 6th shunt capacitance；
The grid of the 3rd N-type FET connects composition the 3rd radio frequency and amplifies altogether with one end of the 5th current-limiting resistance
The input of unit, the other end and the anode of the 5th shunt capacitance of the 5th current-limiting resistance connect composition the described 3rd altogether
The controlled end of radio frequency amplifying unit, the minus earth of the 5th shunt capacitance, the drain electrode of the 3rd N-type FET and described
One end of six current-limiting resistances connects the output end for constituting the 3rd radio frequency amplifying unit, the other end of the 6th current-limiting resistance altogether
Connect the controlled end for constituting the 3rd radio frequency amplifying unit, the 6th shunt capacitance altogether with the anode of the 6th shunt capacitance
Minus earth, the source ground of the 3rd N-type FET.
7. the microwave frequency changer circuit of the frequency converter as described in claim 3~6, it is characterised in that the RF Amplifier Module is also
Including the first coupled capacitor and the second coupled capacitor；
The anode of first coupled capacitor connects the output end of the first radio frequency amplifying unit, the sun of second coupled capacitor
Pole connects the moon of the output end of the second radio frequency amplifying unit, the negative electrode of first coupled capacitor and second coupled capacitor
The input of the 3rd radio frequency amplifying unit is extremely connected to altogether.
8. the microwave frequency changer circuit of frequency converter as claimed in claim 1, it is characterised in that the control module includes control core
Piece, the 3rd coupled capacitor, the 4th coupled capacitor, the 7th shunt capacitance and the 8th shunt capacitance, the crystal oscillator module are shaken for crystal
Swing device；
The RF signal input end and power end of the control chip be respectively the control module RF signal input end and
Power end, the local oscillation signal input of the control chip connects the composition control mould altogether with the anode of the 7th shunt capacitance
The anode of the local oscillation signal input of block, the crystal oscillator control end of the control chip and the 8th shunt capacitance meets composition institute altogether
State the crystal oscillator control end of control module, the negative electrode of the negative electrode of the 7th shunt capacitance and the 8th shunt capacitance is grounded, described
The input and output of control chip terminate the anode of the 3rd coupled capacitor, and the anode of the 3rd coupled capacitor connects the described 4th
The anode of coupled capacitor, the negative electrode of the 4th coupled capacitor is the input/output terminal of the control module.
9. the microwave frequency changer circuit of frequency converter as claimed in claim 1, it is characterised in that the Voltage stabilizing module includes voltage stabilizing core
Piece, the 7th current-limiting resistance, the 8th shunt capacitance and the 9th shunt capacitance；
First control end, the second control end, the 3rd control end, the first feeder ear, the second feeder ear, the 3rd of the voltage stabilizing chip
Feeder ear and the 4th feeder ear are respectively the first control end, the second control end, the 3rd control end, first confession of the Voltage stabilizing module
Electric end, the second feeder ear, the 3rd feeder ear and the 4th feeder ear, the input of the voltage stabilizing chip and the 8th shunt capacitance
Anode and one end of the 7th current-limiting resistance connect altogether, the other end and the 9th shunt capacitance of the 7th current-limiting resistance
Anode connect the input for constituting the Voltage stabilizing module altogether, the negative electrode of the 8th shunt capacitance and the 9th shunt capacitance
Negative electrode is grounded.
10. a kind of frequency converter, it is characterised in that the frequency converter includes the microwave frequency conversion as described in any one of claim 1~9
Circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036882.0A CN106712799B (en) | 2017-01-18 | 2017-01-18 | A kind of frequency converter and its microwave frequency changer circuit |
| PCT/CN2017/086570 WO2018133283A1 (en) | 2017-01-18 | 2017-05-31 | Frequency converter and microwave frequency conversion circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036882.0A CN106712799B (en) | 2017-01-18 | 2017-01-18 | A kind of frequency converter and its microwave frequency changer circuit |
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| Publication Number | Publication Date |
|---|---|
| CN106712799A true CN106712799A (en) | 2017-05-24 |
| CN106712799B CN106712799B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036882.0A Active CN106712799B (en) | 2017-01-18 | 2017-01-18 | A kind of frequency converter and its microwave frequency changer circuit |
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| Country | Link |
|---|---|
| CN (1) | CN106712799B (en) |
| WO (1) | WO2018133283A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133283A1 (en) * | 2017-01-18 | 2018-07-26 | 华讯方舟科技有限公司 | Frequency converter and microwave frequency conversion circuit thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712799B (en) * | 2017-01-18 | 2018-11-23 | 华讯方舟科技（湖北）有限公司 | A kind of frequency converter and its microwave frequency changer circuit |
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2017
- 2017-01-18 CN CN201710036882.0A patent/CN106712799B/en active Active
- 2017-05-31 WO PCT/CN2017/086570 patent/WO2018133283A1/en active Application Filing
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| US20060028295A1 (en) * | 2004-08-04 | 2006-02-09 | Belinda Piernas | Three-dimensional quasi-coplanar broadside microwave coupler |
| WO2013035546A1 (en) * | 2011-09-09 | 2013-03-14 | 株式会社フジクラ | Antenna |
| CN105430356A (en) * | 2015-12-24 | 2016-03-23 | 华讯方舟科技（湖北）有限公司 | Four-output microwave frequency conversion circuit and microwave frequency converter |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106712799B (en) | 2018-11-23 |
| WO2018133283A1 (en) | 2018-07-26 |
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