CN106533494B - A kind of microwave converter and its microwave frequency changer circuit - Google Patents
A kind of microwave converter and its microwave frequency changer circuit Download PDFInfo
- Publication number
- CN106533494B CN106533494B CN201611201680.9A CN201611201680A CN106533494B CN 106533494 B CN106533494 B CN 106533494B CN 201611201680 A CN201611201680 A CN 201611201680A CN 106533494 B CN106533494 B CN 106533494B
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- output end
- amplifier
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 94
- 230000003321 amplification Effects 0.000 claims abstract description 62
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 62
- 230000008878 coupling Effects 0.000 claims abstract description 45
- 238000010168 coupling process Methods 0.000 claims abstract description 45
- 238000005859 coupling reaction Methods 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 37
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 122
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Abstract
The invention belongs to field of communication technology, a kind of microwave converter and its microwave frequency changer circuit are provided.In the present invention, by using the microwave frequency changer circuit for including RF Amplifier Module, filter module, frequency mixing module, intermediate frequency amplification module, starting of oscillation module and switching and power supply module, so that switching and power supply module are powered to RF Amplifier Module, starting of oscillation module and intermediate frequency amplification module, and it controls after the first radiofrequency signal and/or the second radiofrequency signal are amplified coupling processing by RF Amplifier Module and exports to filter module, and control starting of oscillation module and export the first local oscillation signal or the second local oscillation signal to frequency mixing module；The signal that filter module exports RF Amplifier Module exports after being filtered to frequency mixing module；Frequency mixing module exports after output intermediate-freuqncy signal to intermediate frequency amplification module after the signal that filter module exports and the local oscillation signal progress Frequency mixing processing of starting of oscillation module output is amplified processing.The microwave electricity frequency circuit is small in size, at low cost and debugging difficulty is low.
Description
Technical field
The invention belongs to field of communication technology more particularly to a kind of microwave converters and its microwave frequency changer circuit.
Background technique
With the development of microwave converter industry, the type of microwave converter is more and more, but regardless of be that microwave become
Frequency device its all there are four types of output signal, on the low-frequency band being horizontally oriented respectively (LOW BAND/V) signal, horizontal direction
High frequency band (HOW BAND/V) signal, low-frequency band (LOWBAND/H) signal in vertical direction and the high frequency in vertical direction
Band (HOW BAND/H) signal, and every road output signal requires bandpass filtering modules block all the way and is filtered to signal, therefore,
It needs to be arranged four tunnel bandpass filtering modules blocks in existing microwave converter, not only increased circuit volume and cost in this way but also increases
Difficulty when circuit debugging, and slightly deviation will lead to entire fault.
In conclusion existing microwave converter has that volume is big, at high cost and circuit debugging difficulty is high.
Summary of the invention
The purpose of the present invention is to provide a kind of microwave converter and its microwave frequency changer circuits, it is intended to solve existing microwave and become
Frequency device has that volume is big, at high cost and circuit debugging difficulty is high.
The invention is realized in this way a kind of microwave frequency changer circuit, for being carried out to the received radiofrequency signal of front end antenna
Frequency-conversion processing, the microwave frequency changer circuit include RF Amplifier Module, filter module, frequency mixing module, intermediate frequency amplification module, starting of oscillation
Module and switching and power supply module；
The first input end of the RF Amplifier Module is connect with the switching with the first output end of power supply module, described
Second input terminal of RF Amplifier Module is connect with the switching with the second output terminal of power supply module, the RF Amplifier Module
Third input terminal connect with the switching with the third output end of power supply module, the first output end of the RF Amplifier Module
Connect with the switching with the first input end of power supply module, the second output terminal of the RF Amplifier Module and it is described switch and
Second input terminal of power supply module connects, and the of the third output end of the RF Amplifier Module and the switching and power supply module
The connection of the input terminal of three input terminals and the filter module；The first of the output end of the filter module and the frequency mixing module
Input terminal connection, the second input terminal of the frequency mixing module are connect with the output end of the starting of oscillation module, the starting of oscillation module
First input end and the second input terminal are connect with the switching with the 4th output end of power supply module with the 5th output end respectively, institute
The output end for stating frequency mixing module is connect with the first input end of the intermediate frequency amplification module, and the second of the intermediate frequency amplification module is defeated
Enter end connect with the power supply with the 6th output end of switching module, the output end of the intermediate frequency amplification module with it is described power and
4th input terminal of switching module connects；
The switching and power supply module are to the RF Amplifier Module, the starting of oscillation module and the intermediate frequency amplification module
Power supply, and control the RF Amplifier Module and carry out received first radiofrequency signal of the antenna and/or the second radiofrequency signal
Output and controls the starting of oscillation module and exports the first local oscillation signal or the to the filter module after enhanced processing again for amplification coupling
Two local oscillation signals are to the frequency mixing module；The filter module is to first radiofrequency signal after amplification coupling again enhanced processing
And/or second radiofrequency signal be filtered after output to the frequency mixing module；The frequency mixing module is by filtered first radio frequency
Signal and/or the second radiofrequency signal and first local oscillation signal or the second local oscillation signal carry out output intermediate frequency letter after Frequency mixing processing
Number to the intermediate frequency amplification module；The intermediate frequency amplification module exports after amplifying processing to the intermediate-freuqncy signal.
Another object of the present invention, which also resides in, provides a kind of microwave converter, and the microwave converter includes above-mentioned microwave
Frequency changer circuit.
In the present invention, by using include RF Amplifier Module, filter module, frequency mixing module, intermediate frequency amplification module, rise
Module of shaking and switching and the microwave frequency changer circuit of power supply module, so that switching and power supply module are to RF Amplifier Module, starting of oscillation
Module and the power supply of intermediate frequency amplification module, and RF Amplifier Module is controlled by received first radiofrequency signal of antenna and/or second
Radiofrequency signal amplifies coupling, and output and controls starting of oscillation module and exports the first local oscillation signal to filter module after enhanced processing again
Or second local oscillation signal to frequency mixing module；Filter module is to amplification coupling the first radiofrequency signal after enhanced processing and/or the again
Two radiofrequency signals export after being filtered to frequency mixing module；Frequency mixing module penetrates filtered first radiofrequency signal and/or second
Frequency signal and the first local oscillation signal or the second local oscillation signal export intermediate-freuqncy signal to intermediate frequency amplification module after carrying out Frequency mixing processing；In
Frequency amplification module exports after amplifying processing to intermediate-freuqncy signal, so that the microwave frequency changer circuit only needs a filter module
It can realize the filtering of input radio frequency signal, to reduce the volume of circuit, reduce circuit cost and debugging difficulty, solve
Existing microwave converter has that volume is big, at high cost and circuit debugging difficulty is high.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of microwave frequency changer circuit provided by one embodiment of the invention；
Fig. 2 is the modular structure schematic diagram of microwave frequency changer circuit provided by another embodiment of the present invention；
Fig. 3 is the electrical block diagram of microwave circuit provided by one embodiment of the invention；
Fig. 4 is the electrical block diagram of microwave frequency changer circuit provided by another embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific attached drawing:
Fig. 1 shows the modular structure of microwave frequency changer circuit provided by one embodiment of the invention, for ease of description, only
Part related to the embodiment of the present invention is shown, details are as follows:
As shown in Figure 1, microwave frequency changer circuit 1 provided by the embodiment of the present invention is used for the received radio frequency of front end antenna 2
Signal carries out frequency-conversion processing.
Wherein, which includes RF Amplifier Module 10, filter module 11, frequency mixing module 12, intermediate frequency amplification
Module 13, starting of oscillation module 14 and switching and power supply module 15.
The first input end of RF Amplifier Module 10 is connect with switching with the first output end of power supply module 15, radio frequency amplification
Second input terminal of module 10 is connect with switching with the second output terminal of power supply module 15, the third input of RF Amplifier Module 10
End is connect with switching with the third output end of power supply module 15, the first output end and the switching and power supply mould of RF Amplifier Module 10
The first input end of block 15 connects, the second output terminal of RF Amplifier Module 10 and the second input terminal of switching and power supply module 15
Connection, the third input terminal and filter module 11 of the third output end and switching and power supply module 15 of RF Amplifier Module 10
Input terminal connection；The output end of filter module 11 is connect with the first input end of frequency mixing module 12, and the second of frequency mixing module 12 is defeated
Enter end to connect with the output end of starting of oscillation module 14, the first input end of starting of oscillation module 14 and the second input terminal respectively with switching and supply
4th output end of electric module 15 is connect with the 5th output end, the output end of frequency mixing module 12 and the first of intermediate frequency amplification module 13
Second input terminal of input terminal connection, intermediate frequency amplification module 13 is connect with power supply with the 6th output end of switching module 15, intermediate frequency
The output end of amplification module 13 is connect with power supply with the 4th input terminal of switching module 15.
Switching is powered with power supply module 15 to RF Amplifier Module 10, starting of oscillation module 14 and intermediate frequency amplification module 13, and
Control RF Amplifier Module 10 the first radiofrequency signal received to antenna and/or the second radiofrequency signal amplify coupling and amplify again
Output is to filter module 11 after processing, and controls starting of oscillation module 14 and export the first local oscillation signal or the second local oscillation signal to being mixed mould
Block 12；11 pairs of filter module the first radiofrequency signals amplified after coupling enhanced processing again and/or the second radiofrequency signal are filtered
After export to frequency mixing module 12；Frequency mixing module 12 is by filtered first radiofrequency signal and/or the second radiofrequency signal and first
Intermediate-freuqncy signal is exported to intermediate frequency amplification module 13 after signal or the second local oscillation signal progress Frequency mixing processing of shaking；Intermediate frequency amplification module 13
It is exported after amplifying processing to intermediate-freuqncy signal.
Specifically, the radiofrequency signal in the horizontal direction that the first radiofrequency signal is sent for the received satellite of antenna 2, this is penetrated
The frequency range of frequency signal is 10.7GHZ~12.75GHZ, and the second radiofrequency signal is the vertical direction that the received satellite of antenna 2 is sent
On radiofrequency signal, the frequency range of the radiofrequency signal is 10.7GHZ~12.75GHZ.
After RF Amplifier Module 10 receives the first radiofrequency signal and the second radiofrequency signal, switching and power supply module 15
Control RF Amplifier Module 10 amplifies coupling enhanced processing again to the first radiofrequency signal, or carries out to the second radiofrequency signal
Amplification couples enhanced processing again, or simultaneously amplify coupling with the second radiofrequency signal to the first radiofrequency signal and amplify place again
Reason, that is to say, that switching and power supply module 15 can switch between the first radiofrequency signal and the second radiofrequency signal.
When switching with power supply module 15 be switched to the first radiofrequency signal when, RF Amplifier Module 10 to the first radiofrequency signal into
The primary amplification of row, and will the coupling of amplified first radiofrequency signal, and then after the first radiofrequency signal after coupling is amplified again
It exports to filter module 11, and exports after the filtering of filter module 11 to frequency mixing module 12；When switching and power supply module 15 switch
When to two radiofrequency signals, RF Amplifier Module 10 carries out primary amplification to the second radiofrequency signal, and by amplified second radio frequency
Signal coupling, and then export after the second radiofrequency signal after coupling is amplified again to filter module 11, and through filter module 11
It exports after filtering to frequency mixing module 12；When switching does not carry out the first radiofrequency signal and the second radiofrequency signal with power supply module 15
When switching, RF Amplifier Module 10 carries out primary amplification to the first radiofrequency signal and the second radiofrequency signal, and by amplified the
One radiofrequency signal coupling, while amplified second radiofrequency signal being coupled, and then by the first radiofrequency signal and the after coupling
Two radiofrequency signals export after amplifying again to filter module 11, and export after the filtering of filter module 11 to frequency mixing module 12.
Starting of oscillation module 14 is used to generate the local oscillation signal of two kinds of frequency ranges, and one is the first local oscillation signals of low-frequency range, such as
Frequency is the local oscillation signal of 9.75GHZ, and another kind is the second local oscillation signal of high band, for example, frequency is the local oscillator of 10.6GHZ
Signal, and switching and power supply module 15 control starting of oscillation module 14 and are cut between the first local oscillation signal and the second local oscillation signal
It changes, i.e. switching and control starting of oscillation module 14 the first local oscillation signal of output of power supply module 15 to frequency mixing module 12, or switches and supply
Electric module 15 controls starting of oscillation module 14 and exports the second local oscillation signal to frequency mixing module 12.
It is understood that when frequency mixing module 12 receives the first radiofrequency signal and starting of oscillation module of the output of filter module 11
When the first local oscillation signal of 14 outputs, frequency mixing module 12 carries out Frequency mixing processing to the first radiofrequency signal and the first local oscillation signal, with
The first intermediate-freuqncy signal is exported to intermediate frequency amplification module 13；When frequency mixing module 12 receives the second radio frequency letter of the output of filter module 11
When number the first local oscillation signal exported with starting of oscillation module 14, frequency mixing module 12 carries out the second radiofrequency signal and the first local oscillation signal
Frequency mixing processing, to export the second intermediate-freuqncy signal to intermediate frequency amplification module 13；It is exported when frequency mixing module 12 receives filter module 11
The first radiofrequency signal and starting of oscillation module 14 export the second local oscillation signal when, frequency mixing module 12 is to the first radiofrequency signal and second
Local oscillation signal carries out Frequency mixing processing, to export third intermediate-freuqncy signal to intermediate frequency amplification module 13；When frequency mixing module 12 receives filter
When the second local oscillation signal that the second radiofrequency signal and starting of oscillation module 14 that wave module 11 exports export, frequency mixing module 12 is penetrated to second
Frequency signal and the second local oscillation signal carry out Frequency mixing processing, to export the 4th intermediate-freuqncy signal to intermediate frequency amplification module 13；When mixing mould
Block 12 receives the first that the first radiofrequency signal, the second radiofrequency signal and starting of oscillation module 14 of the output of filter module 11 export
When vibration signal, frequency mixing module 12 carries out Frequency mixing processing to the first radiofrequency signal, the second radiofrequency signal and the first local oscillation signal, with
The 5th intermediate-freuqncy signal is exported to intermediate frequency amplification module 13；When frequency mixing module 12 receives the first radio frequency letter of the output of filter module 11
Number, the second radiofrequency signal and starting of oscillation module 14 export the second local oscillation signal when, frequency mixing module 12 is to the first radiofrequency signal, the
Two radiofrequency signals and the second local oscillation signal carry out Frequency mixing processing, to export the 6th intermediate-freuqncy signal to intermediate frequency amplification module 13.
It should be noted that in the present embodiment, being penetrated to the first radiofrequency signal with second by switching with power supply module 15
The conscientious switching of frequency signal, and the first local oscillation signal and the second local oscillation signal are switched over, so that the embodiment of the present invention is mentioned
The microwave frequency changer circuit 1 of confession can choose the local oscillation signal of height frequency range and the satellite of horizontal polarization or vertical polarization is penetrated
Frequency signal, to realize that Ku wave band program Whole frequency band receives.
Further, as an of the invention preferred embodiment, as shown in Fig. 2, RF Amplifier Module 10 includes: first to put
Big unit 100, coupling unit 101 and the second amplifying unit 102.
Wherein, the first input end of the first amplifying unit 100 and the second input terminal are respectively the of RF Amplifier Module 10
One input terminal and the second input terminal, the first output end of the first amplifying unit 100 connect altogether with the first input end of coupling unit 101
Form the first output end of RF Amplifier Module 10, the second output terminal of the first amplifying unit 100 and the second of coupling unit 101
Input terminal connects the second output terminal to form RF Amplifier Module 10 altogether, the output end of coupling unit 101 and the second amplifying unit
Input terminal connects the third input terminal to form RF Amplifier Module 10 altogether, and the output end of the second amplifying unit 102 is that radio frequency amplifies mould
The third output end of block 10.
Specifically, the first amplifying unit 100 carries out primary enhanced processing to the first radiofrequency signal and/or the second radiofrequency signal
After export to coupling unit 101, amplified first radiofrequency signal of 101 pairs of primary of coupling unit and/or the second radiofrequency signal into
The first radiofrequency signal after output is amplified and coupled to the second amplifying unit 102, the second 102 pairs of amplifying unit primary after row coupling
And/or second radiofrequency signal amplify processing after output to filter module 11.
Further, as a preferred embodiment of the invention, as shown in figure 3, the first amplifying unit 100 includes: first
Amplifier element M1 and the second amplifier element M2.
Wherein, the control terminal of the first amplifier element M1 and the control terminal of the second amplifier element M2 are respectively the first amplifying unit
100 first input end and the second input terminal, the output end of the first amplifier element M1 are the first output of the first amplifying unit 100
End, the output end of the second amplifier element M2 are the second output terminal of the first amplifying unit 100, the input terminal of the first amplifier element M1
It is grounded with the input terminal of the second amplifier element M2.
It should be noted that in embodiments of the present invention, the first amplifier element M1 and the second amplifier element M2 are imitated by field
It should pipe composition.Specifically, the first amplifier element M1 and the second amplifier element M2 are NMOS transistor, the grid of the NMOS transistor
Pole, drain electrode and source electrode are respectively control terminal, input terminal and the output end of the first amplifier element M1 and the second amplifier element M2；
It is understood that in other embodiments, the first amplifier element M1 and the second amplifier element M2 can also be by PMOS transistors
It realizes, and the grid of the PMOS transistor, drain electrode and source electrode are respectively the first amplifier element M1 and the second amplifier element M2
Control terminal, output end and input terminal；It is worth note, the embodiment of the present invention is only amplified with the first amplifier element M1 and second
Element M2 is is illustrated for identity unit, and the first amplifier element M1 can also be by different devices from the second amplifier element M2
It constitutes, herein with no restrictions.
Further, as a preferred embodiment of the invention, as shown in figure 4, the first amplifying unit 100 further include: electricity
Hinder R1, resistance R2, resistance R3, capacitor C10, capacitor C11 and capacitor C12.
Wherein, the first end of resistance R1 is connect with the control terminal of the first amplifier element M1, the second end and capacitor of resistance R1
The first end of C10 and switching are connect with the first output end of power supply module 15, the second end ground connection of capacitor C10；Resistance R2's
First end is connect with the control terminal of the second amplifier element M2, the second end of resistance R2 and the first end of capacitor C11 and switching with
The second output terminal of power supply module 15 connects, the second end ground connection of capacitor C11；The first end of resistance R3 and the first amplifier element M1
Output end connection, the first input end of the second end of resistance R3 and the first end of capacitor C12 and switching and power supply module 15
Connection, the second end ground connection of capacitor C12.
It should be noted that in embodiments of the present invention, resistance R1 combines RC filter with capacitor C10, resistance R3 and capacitor C12
Wave circuit, for being filtered to the first radiofrequency signal；Resistance R2 and capacitor C11 form RC filter circuit, for the
Two radiofrequency signals are filtered.
Further, as a preferred embodiment of the invention, as shown in figure 3, coupling unit 101 includes: the first coupling
Capacitor C1 and the second coupled capacitor C2.
Wherein, the first end of the first coupled capacitor C1 is the first input end of coupling unit 101, the second coupled capacitor C2's
First end is the second input terminal of coupling unit 101, the second end of the first coupled capacitor C1 and the second of the second coupled capacitor C2
End connects the output end to form coupling unit 101 altogether.
Further, as a preferred embodiment of the invention, as shown in figure 4, coupling unit 101 further include: capacitor
C14, capacitor C15, capacitor C16, capacitor C13, resistance R5 and resistance R4.
Wherein, the first end of capacitor C14 and the first end of the first coupled capacitor C1 connect to form the first of coupling unit 101 altogether
First end, the first end of resistance R4 of input terminal, the first end of capacitor C15 and the second coupled capacitor C2 connect to form coupling unit altogether
Second input of 101 the second input terminal, the second end of resistance R4 and the first end of capacitor C13 and switching and power supply module 15
End connection, the second end ground connection of capacitor C13, the second end of capacitor C14, the second end of capacitor C15, the first coupled capacitor C1 the
The first end at two ends, the second end of the second coupled capacitor C12 and resistance R5 connects altogether, the second end of resistance R5 and capacitor C16's
First end is connect with switching with the third input terminal of power supply module 15, the second end ground connection of capacitor C16.
Further, as a preferred embodiment of the invention, as shown in figure 3, the second amplifying unit 102 is put including third
Big element M3.
Wherein, the control terminal of third amplifier element M3 is the input terminal of the second amplifying unit 102, third amplifier element M3's
Output end is the output end of the second amplifying unit 102, the input end grounding of third amplifier element M3.
It should be noted that in embodiments of the present invention, third amplifier element M3 is made of field-effect tube.Specifically, the
Three amplifier element M3 are NMOS transistor, and grid, drain electrode and the source electrode of the NMOS transistor are respectively third amplifier element M3
Control terminal, input terminal and output end；It is understood that in other embodiments, third amplifier element M3 can also be by
PMOS transistor is realized, and the grid of the PMOS transistor, drain electrode and source electrode are respectively the control of third amplifier element M3
End, output end and input terminal.
Further, as a preferred embodiment of the invention, as shown in figure 4, the second amplifying unit 102 further include: electricity
Hinder R6 and capacitor C17.
Wherein, the first end of resistance R6 is connect with the output end of third amplifier element M3, the second end and capacitor of resistance R6
The first end of C17 and switching are connect with the third output end of power supply module 15, the second end ground connection of capacitor C17.
Further, as a preferred embodiment of the invention, as shown in figure 3, filter module 11 is that mirror image inhibits band logical
Filter, mirror image inhibit the input terminal of bandpass filter for the input terminal of filter module 11, and mirror image inhibits the defeated of bandpass filter
Outlet is the output end of filter module 11.
In embodiments of the present invention, inhibit bandpass filter as filter module 11 using mirror image, so that mirror image inhibits band
Bandpass filter can simultaneously be filtered the first radiofrequency signal and/or the second radiofrequency signal of the output of RF Amplifier Module 10, i.e.,
Inhibit bandpass filter that can substitute existing four filter modules using mirror image, and then reduces the body of microwave frequency changer circuit 1
Product reduces the cost and circuit debugging difficulty of microwave frequency changer circuit 1.
In addition, inhibiting bandpass filter as filter module 11 using mirror image, it can effectively enhance the work of microwave frequency changer circuit 1
Make stability, it would be possible to which bandwidth and unwanted frequency the section complete inhibition interfered avoids the strong signal outside working frequency range
Microwave frequency changer circuit 1 is interfered.
Further, as a preferred embodiment of the invention, as shown in figure 3, intermediate frequency amplification module includes: the first fortune
Calculate amplifier U1, second operational amplifier U2, first capacitor C3 and the second capacitor C4.
Wherein, the input terminal of the first operational amplifier U1 is the first input end of intermediate frequency amplification module 13, and the first operation is put
The output end of big device U1 is connect with the first end of first capacitor C3, and the second end of first capacitor C3 is with second operational amplifier U2's
Input terminal connection, the output end of second operational amplifier U2 are connect with the first end of the second capacitor C4, and the second of the second capacitor C4
End is the output end of intermediate frequency amplification module 13, the positive voltage terminal of the first operational amplifier U1 and the positive electricity of second operational amplifier U1
Pressure side connects the second input terminal to form intermediate frequency amplification module 13 altogether, and negative voltage side and the second operation of the first operational amplifier U1 is put
Big device U2 negative voltage side is connected to ground altogether.
Further, as a preferred embodiment of the invention, as shown in figure 4, intermediate frequency amplification module 13 further include: resistance
R7, resistance R8, resistance R9, capacitor C19, capacitor C20, capacitor C21, capacitor C22, capacitor C23, capacitor C24, inductance L1 and electricity
Feel L2.
Wherein, the first end of resistance R7 is connect with the first end of the second end of first capacitor C3 and resistance R8, resistance R7
Second end connect altogether with the first end of resistance R9 and the first end of capacitor C19, the second end of capacitor C19 and the second operation amplifier
The input terminal of device U2 connects, and the second end of resistance R8 and the second end of resistance R9 are connected to ground altogether；The first end of capacitor C20, capacitor
The positive voltage terminal of the first end of the first end of C21, the first end of capacitor C22 and the first inductance L1 and the first operational amplifier U1
And the positive voltage terminal of second operational amplifier U2 connects altogether, the second end of capacitor C20, the second end of capacitor C21 and capacitor C22
Second end be grounded, the second end of inductance L1 is connect with the first end of the second capacitor C4, the first end of the second inductance L2 and the
The second end of two capacitor C4 connects, the first end of the second end of the second inductance L2 and capacitor C23, the first end of capacitor C24 and
Switching is connect with the 6th output end of power supply module 15, and the second end of capacitor C23 and the second end of capacitor C24 are connected to ground altogether.
Preferably, as a preferred embodiment of the invention, as shown in figure 3, starting of oscillation module 14 includes: first switching element
Q1, second switch element Q2, the first oscillator F1, the second oscillator F2, third capacitor C5, the 4th capacitor C6 and the 5th capacitor
C7。
Wherein, the output end of the control terminal of first switching element Q1 and first switching element Q1, the first oscillator F1 the
The first end of one end, the second end of the first oscillator F1 and third capacitor C5 connects the first input to form starting of oscillation module 14 altogether
End, the control terminal and the output end of second switch element Q2 of second switch element Q2, the first end of the second oscillator F2, the second vibration
The first end of the second end and the 4th capacitor C6 of swinging device F2 meets the second input terminal to form starting of oscillation module 14, third capacitor C5 altogether
Second end connect altogether with the second end of the 4th capacitor C6 and the first end of the 5th capacitor C7, the second end of the 5th capacitor C7 is
The output end for module 14 of shaking.
It should be noted that in embodiments of the present invention, the first oscillator F1 and the second oscillator F2 are ceramic resonator；
First switching element Q1 and second switch element Q2 is N-type triode, base stage, collector and the transmitting of the N-type triode
Pole is respectively control terminal, input terminal and the output end of first switching element Q1 and second switch element Q2；It is understood that
In other embodiments, first switching element Q1 and second switch element Q2 can also be realized by p-type triode, and the p-type
Base stage, collector and the emitter of triode are respectively the control terminal, defeated of first switching element Q1 and second switch element Q2
Outlet and input terminal；It is worth note, the embodiment of the present invention is only using first switching element Q1 and second switch element Q2 as phase
With being illustrated for device, and first switching element Q1 and second switch element Q2 can also be made of different devices, herein
With no restrictions.
Further, as a preferred embodiment of the invention, as shown in figure 4, starting of oscillation module 14 further include: resistance R10,
Resistance R11, resistance R12, resistance R13, capacitor C25, capacitor C26, capacitor C27 and capacitor C28.
Wherein, the first end of resistance R10 and the first end of resistance R11, the first end of capacitor C25, the first end of capacitor C26
And the first end connection of third capacitor C5, the second end of resistance R10 are the first input end of starting of oscillation module 14, capacitor C25's
Second end ground connection, the second end of resistance R10 are connect with the first end of first switching element Q1 and the first oscillator F1；Resistance
The first end of R12 and the first end of resistance R13, the first end of capacitor C27, the first end of capacitor C28 and the 4th capacitor C6
First end connection, the second end of resistance R13 are the second input terminal of starting of oscillation module 14, the second end ground connection of capacitor C27, resistance
The second end of R12 is connect with the first end of second switch element Q2 and the second oscillator F2, the second end and capacitor of capacitor C26
The second end of C28 is grounded.
Further, as a preferred embodiment of the invention, as shown in figure 3, switching includes: switching with power supply module 15
With power supply chip U3 and the 6th capacitor C8.
Wherein, switch and exported with the first signal output end G1, second signal output end G2, third signal of power supply chip U3
Holding G3, fourth signal output end HB, the 5th signal output end LB and voltage output end Vo is respectively to switch and power supply module 15
The first output end, second output terminal, third output end, the 4th output end, the 5th output end and the 6th output end, switching with
The first signal input part D1, second signal input terminal D2, third signal input part D3 and the voltage input end of power supply chip U3
Vi is the first signal input part of switching with power supply module 15, second signal input terminal, third signal input part and the 4th letter
Number input terminal, switching are connect with the trigger signal end Club of power supply chip U3 with the first end of the 6th capacitor C8, the 6th capacitor C8
Second end ground connection.
It should be noted that in embodiments of the present invention, the 6th capacitor C8's is mainly used for triggering switching and power supply chip
U3, to guarantee that switching is worked normally with power supply chip U3.
Further, as a preferred embodiment of the invention, as shown in figure 4, switching and power supply module 15 further include: electricity
Hinder R14, resistance R15 and capacitor C29.
Wherein, the first end of resistance R14 and switching are connect with the signal end RCALM2 of power supply chip U3, and the of resistance R15
One end and switching are connect with the signal end RCALM1 of power supply chip U3, and the first end of capacitor C29 and switching are with power supply chip U3's
The ground terminal GND of voltage input end Vi connection, the second end of capacitor C29 and switching and power supply chip U3 are connected to ground, resistance R14 altogether
It is connected to ground altogether with the second end of resistance R15.
It is worth noting that, in embodiments of the present invention, resistance 14 and resistance R15 are for adjusting switching and power supply chip U3
Operating current；In addition, switching is realized with the power supply chip U3 chip that model ZXNB4202 can be used.
Further, as an of the invention preferred embodiment, as shown in figure 3, frequency mixing module 12 include mixing chip with
Capacitor C9, wherein mixing chip first input end be frequency mixing module 12 input terminal, the first end of capacitor C9 be mixed chip
Output end connection, the second end of capacitor C9 is the output end of frequency mixing module 12, is mixed the second input terminal of chip as mixing mould
Second input terminal of block 12.
Further, as a preferred embodiment of the invention, as shown in figure 4, frequency mixing module 12 further includes capacitor C18,
The first end of capacitor C18 is the first input end of frequency mixing module 12, the second end of capacitor C18 be mixed chip it is first defeated
Enter end connection.
It should be noted that in the present embodiment, mixing chip is realized using the chip of model BAT15-04W.
The work of microwave frequency changer circuit 1 is provided for the embodiments of the invention by taking circuit structure shown in Fig. 3 as an example below
Principle illustrates, and details are as follows:
Firstly, it is necessary to explanation, the 10 received radiofrequency signal of institute of RF Amplifier Module of the embodiment of the present invention is vertical
H, the satellite-signal of the orthogonal polarization oscillator input of two groups of horizontal V, i.e. the first radiofrequency signal and the second radiofrequency signal.
After RF Amplifier Module 10 receives the first radiofrequency signal and the second radiofrequency signal, put through first order Q1/Q2 signal
Big circuit amplification, couples, then amplify through second level Q3 signal amplification circuit through C1/C2, flows through mirror image and inhibits bandwidth-limited circuit
First radiofrequency signal and the second radiofrequency signal are filtered into microwave electricity frequency circuit 1 and worked required frequency range by filtering
10.7GHZ-12.75GHZ, i.e., the first radiofrequency signal and the second radiofrequency signal are filtered into low frequency band frequency is 10.7GHZ-
11.7GHZ, high-band frequency are the radiofrequency signal that section is 11.7GHZ-12.75GHZ, at this time by vibration generator and ceramic resonator
Shake the first local oscillation signal required for microwave frequency changer circuit 1 out and the second local oscillation signal, wherein the frequency of the first local oscillation signal is
9.75GHZ, the frequency of the second local oscillation signal are 10.6GHZ.
Further, mixing chip penetrates the first radiofrequency signal of mirror image inhibition bandwidth-limited circuit output and/or second
The first local oscillation signal or the second local oscillation signal that frequency signal and vibration generator and ceramic resonator starting of oscillation go out produce micro- after being mixed
Intermediate-freuqncy signal is further transmitted to IF amplifier circuit and is amplified to needed for microwave frequency changer circuit 1 works by weak intermediate-freuqncy signal
Optimum state, and through the 4th capacitor C4 export；It is worth noting that, microwave frequency changer circuit 1 works required best shape herein
State refers to that the low frequency band frequency of amplified intermediate-freuqncy signal is 0.95GHZ-1.95GHZ, high-band frequency 1.1GHZ-
2.16GHZ。
In embodiments of the present invention, mirror image inhibits bandpass filtering can be effectively by 10.7GHZ-12.75GHZ bandwidth range
Frequency band in addition filters or is isolated, so that the work of microwave frequency changer circuit 1 avoids extra frequency range pair in intrinsic frequency section
Microwave frequency changer circuit 1 interferes.
Further, the embodiment of the present invention also provides a kind of microwave converter, which includes microwave variable-frequency electric
Road 1, the microwave converter as provided by the embodiment of the present invention are realized based on microwave frequency changer circuit 1 provided by Fig. 1 to Fig. 4
, it can refer in above-mentioned Fig. 1 to Fig. 4 accordingly, with respect to the principle of microblogging frequency converter provided by the embodiment of the present invention to microwave change
The specific descriptions of frequency circuit 1, details are not described herein again
In the present invention, by using include RF Amplifier Module, filter module, frequency mixing module, intermediate frequency amplification module, rise
Module of shaking and switching and the microwave frequency changer circuit of power supply module, so that switching and power supply module are to RF Amplifier Module, starting of oscillation
Module and the power supply of intermediate frequency amplification module, and RF Amplifier Module is controlled by received first radiofrequency signal of antenna and/or second
Radiofrequency signal amplifies coupling, and output and controls starting of oscillation module and exports the first local oscillation signal to filter module after enhanced processing again
Or second local oscillation signal to frequency mixing module；Filter module is to amplification coupling the first radiofrequency signal after enhanced processing and/or the again
Two radiofrequency signals export after being filtered to frequency mixing module；Frequency mixing module penetrates filtered first radiofrequency signal and/or second
Frequency signal and the first local oscillation signal or the second local oscillation signal export intermediate-freuqncy signal to intermediate frequency amplification module after carrying out Frequency mixing processing；In
Frequency amplification module exports after amplifying processing to intermediate-freuqncy signal, so that the microwave frequency changer circuit only needs a filter module
It can realize the filtering of input radio frequency signal, to reduce the volume of circuit, reduce circuit cost and debugging difficulty, solve
Existing microwave converter has that volume is big, at high cost and circuit debugging difficulty is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of microwave frequency changer circuit, for carrying out frequency-conversion processing to the received radiofrequency signal of front end antenna, which is characterized in that institute
Stating microwave frequency changer circuit includes:
RF Amplifier Module, filter module, frequency mixing module, intermediate frequency amplification module, starting of oscillation module and switching and power supply module；
The first input end of the RF Amplifier Module is connect with the switching with the first output end of power supply module, the radio frequency
Second input terminal of amplification module is connect with the switching with the second output terminal of power supply module, and the of the RF Amplifier Module
Three input terminals are connect with the switching with the third output end of power supply module, the first output end of the RF Amplifier Module and institute
The first input end for stating switching and power supply module connects, the second output terminal of the RF Amplifier Module and the switching and power supply
Second input terminal of module connects, and the third output end of the RF Amplifier Module and the switching are defeated with the third of power supply module
Enter the input terminal connection of end and the filter module；First input of the output end of the filter module and the frequency mixing module
End connection, the second input terminal of the frequency mixing module are connect with the output end of the starting of oscillation module, and the first of the starting of oscillation module
Input terminal and the second input terminal are connect with the switching with the 4th output end of power supply module with the 5th output end respectively, described mixed
The output end of frequency module is connect with the first input end of the intermediate frequency amplification module, the second input terminal of the intermediate frequency amplification module
It is connect with the power supply with the 6th output end of switching module, the output end of the intermediate frequency amplification module and the power supply and switching
4th input terminal of module connects；
The switching and power supply module are supplied to the RF Amplifier Module, the starting of oscillation module and the intermediate frequency amplification module
Electricity, and control the RF Amplifier Module and put received first radiofrequency signal of the antenna and/or the second radiofrequency signal
It exports after coupling enhanced processing again greatly to the filter module, and controls the starting of oscillation module and export the first local oscillation signal or second
Local oscillation signal is to the frequency mixing module；The filter module is to first radiofrequency signal after amplification coupling again enhanced processing
And/or second radiofrequency signal be filtered after output to the frequency mixing module；The frequency mixing module is by filtered first radio frequency
Signal and/or the second radiofrequency signal and first local oscillation signal or the second local oscillation signal carry out output intermediate frequency letter after Frequency mixing processing
Number to the intermediate frequency amplification module；The intermediate frequency amplification module exports after amplifying processing to the intermediate-freuqncy signal；
The starting of oscillation module includes: first switching element, second switch element, the first oscillator, the second oscillator, third electricity
Appearance, the 4th capacitor and the 5th capacitor；
The first of the output end of the control terminal of the first switching element and the first switching element, first oscillator
End, the second end of first oscillator and the third capacitor first end connect to form the first defeated of the starting of oscillation module altogether
Enter end, the first of the output end of the control terminal of the second switch element and the second switch element, second oscillator
End, the second end of second oscillator and the 4th capacitor first end connect to form the second defeated of the starting of oscillation module altogether
Entering end, the second end of the third capacitor connects altogether with the second end of the 4th capacitor and the first end of the 5th capacitor,
The second end of 5th capacitor is the output end of the starting of oscillation module；
First oscillator and second oscillator are ceramic resonator.
2. microwave frequency changer circuit according to claim 1, which is characterized in that the RF Amplifier Module includes:
First amplifying unit, coupling unit and the second amplifying unit；
The first input end and the second input terminal of first amplifying unit are respectively the first input of the RF Amplifier Module
End and the second input terminal, the first output end of first amplifying unit and the first input end of the coupling unit connect to be formed altogether
First output end of the RF Amplifier Module, the second output terminal of first amplifying unit and the second of the coupling unit
Input terminal connects the second output terminal to form the RF Amplifier Module, the output end of the coupling unit and second amplification altogether
The input terminal of unit connects the third input terminal to form the RF Amplifier Module altogether, and the output end of second amplifying unit is institute
State the third output end of RF Amplifier Module；
After first amplifying unit carries out primary enhanced processing to first radiofrequency signal and/or second radiofrequency signal
Output to the coupling unit, the coupling unit penetrates primary amplified first radiofrequency signal and/or described second
Institute after output is amplified and coupled to primary to second amplifying unit, second amplifying unit after frequency signal is coupled
It states the first radiofrequency signal and/or the second radiofrequency signal is amplified after handling and exported to the filter module.
3. microwave frequency changer circuit according to claim 2, which is characterized in that first amplifying unit includes: first to put
Big element and the second amplifier element；
The control terminal of first amplifier element and the control terminal of second amplifier element are respectively first amplifying unit
First input end and the second input terminal, the output end of first amplifier element is the first output of first amplifying unit
End, the output end of second amplifier element are the second output terminal of first amplifying unit, first amplifier element
The input terminal of input terminal and second amplifier element is grounded.
4. microwave frequency changer circuit according to claim 2, which is characterized in that the coupling unit includes: the first coupling electricity
Hold and the second coupled capacitor；
The first end of first coupled capacitor be the coupling unit first input end, the first of second coupled capacitor
End is the second input terminal of the coupling unit, the second end of first coupled capacitor and the second of second coupled capacitor
End connects the output end to form the coupling unit altogether.
5. microwave frequency changer circuit according to claim 2, which is characterized in that second amplifying unit includes third amplification
Element；
The control terminal of the third amplifier element is the input terminal of second amplifying unit, the output of the third amplifier element
End is the output end of second amplifying unit, the input end grounding of the third amplifier element.
6. microwave frequency changer circuit according to claim 1, which is characterized in that the filter module is that mirror image inhibits band logical filter
Wave device, the mirror image inhibit the input terminal of bandpass filter for the input terminal of the filter module, and the mirror image inhibits band logical filter
The output end of wave device is the output end of the filter module.
7. microwave frequency changer circuit according to claim 1, which is characterized in that the intermediate frequency amplification module includes: the first fortune
Calculate amplifier, second operational amplifier, first capacitor and the second capacitor；
The input terminal of first operational amplifier is the first input end of the intermediate frequency amplification module, first operation amplifier
The output end of device is connect with the first end of the first capacitor, the second end of the first capacitor and the second operational amplifier
Input terminal connection, the output end of the second operational amplifier connect with the first end of second capacitor, and described second is electric
The second end of appearance is the output end of the intermediate frequency amplification module, the positive voltage terminal of first operational amplifier and second fortune
The positive voltage terminal for calculating amplifier connects the second input terminal to form the intermediate frequency amplification module altogether, and first operational amplifier is born
Voltage end and the negative voltage side of the second operational amplifier are connected to ground altogether.
8. microwave frequency changer circuit according to claim 1, which is characterized in that the switching includes: switching with power supply module
With power supply chip and the 6th capacitor；
The first signal output end, second signal output end, the third signal output end, fourth signal of the switching and power supply chip
Output end, the 5th signal output end and voltage output end are respectively the first output end of the switching and power supply module, second
Output end, third output end, the 4th output end, the 5th output end and the 6th output end, the switching and the of power supply chip
One signal input part, second signal input terminal, third signal input part and voltage input end are the switching and power supply module
The first signal input part, second signal input terminal, third signal input part and fourth signal input terminal, it is described switching and supply
The trigger signal end of electrical chip is connect with the first end of the 6th capacitor, the second end ground connection of the 6th capacitor.
9. a kind of microwave converter, which is characterized in that the microwave converter includes as claimed in any one of claims 1 to 8
Microwave frequency changer circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201680.9A CN106533494B (en) | 2016-12-22 | 2016-12-22 | A kind of microwave converter and its microwave frequency changer circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201680.9A CN106533494B (en) | 2016-12-22 | 2016-12-22 | A kind of microwave converter and its microwave frequency changer circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106533494A CN106533494A (en) | 2017-03-22 |
| CN106533494B true CN106533494B (en) | 2019-05-03 |
Family
ID=58337346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611201680.9A Expired - Fee Related CN106533494B (en) | 2016-12-22 | 2016-12-22 | A kind of microwave converter and its microwave frequency changer circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533494B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277471B (en) * | 2017-06-12 | 2019-09-27 | 华讯方舟科技有限公司 | One kind eight exports microwave frequency changer circuit and eight output microwave converters |
| CN107395139A (en) * | 2017-06-21 | 2017-11-24 | 北方电子研究院安徽有限公司 | A kind of 90 ° of phase measurements switch IF amplifying assemble circuit |
| CN109510643B (en) * | 2018-12-29 | 2024-06-14 | 深圳市华讯方舟光电技术有限公司 | Microwave frequency conversion circuit and microwave frequency converter |
| CN110601747A (en) * | 2019-10-09 | 2019-12-20 | 华讯方舟科技（湖北）有限公司 | Microwave frequency converter control circuit, microwave frequency converter and communication system |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534758A1 (en) * | 1982-10-15 | 1984-04-20 | Orega Electro Mecanique | High-frequency head for television receiver. |
| JPH0691508B2 (en) * | 1986-09-29 | 1994-11-14 | 株式会社ケンウッド | PN code synchronization method |
| CN1268830A (en) * | 1999-03-25 | 2000-10-04 | 松下电器产业株式会社 | Multiple frequency band data communication equipment and communication method and storage medium therefor |
| CN200983589Y (en) * | 2006-07-08 | 2007-11-28 | 广东鼎威科技有限公司 | Bidirectional conversion integrated circuit between RF signals and middle-frequency wired signals |
| CN201075398Y (en) * | 2007-08-29 | 2008-06-18 | 郴州高斯贝尔数码科技有限公司 | Ku frequency band four-local oscillator two-way output low noise frequency demultiplier |
| CN101788665A (en) * | 2010-03-16 | 2010-07-28 | 华中科技大学 | Passive millimeter wave focal plane image formation device |
| CN101945230A (en) * | 2010-08-12 | 2011-01-12 | 无锡市晶源微电子有限公司 | Single-chip control circuit of radiofrequency amplifying circuit of C and Ku wave bands of satellite television signals |
| KR20130063953A (en) * | 2011-12-07 | 2013-06-17 | 엘지이노텍 주식회사 | Tuner module |
| CN203896455U (en) * | 2014-06-03 | 2014-10-22 | 深圳盈添电子有限公司 | Circuit structure of satellite low noise block |
| CN204515143U (en) * | 2015-02-28 | 2015-07-29 | 武汉大学 | A kind of anti-interference GPS dual-frequency receiver radio frequency front-end device |
| CN204761450U (en) * | 2015-08-14 | 2015-11-11 | 武汉大学 | Spectral analyser based on heterodyne frequency sweep principle |
| 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 |
| CN205249146U (en) * | 2015-12-23 | 2016-05-18 | 华讯方舟科技（湖北）有限公司 | Microwave frequency conversion ware |
| CN205283742U (en) * | 2015-12-24 | 2016-06-01 | 华讯方舟科技（湖北）有限公司 | Four ways output microwave frequency conversion circuit and microwave frequency conversion ware |
| CN205681410U (en) * | 2016-06-08 | 2016-11-09 | 华讯方舟科技（湖北）有限公司 | A kind of anti-crosstalk multifrequency frequency dividing circuit and microwave converter |
| CN106130593A (en) * | 2016-06-29 | 2016-11-16 | 华讯方舟科技（湖北）有限公司 | A kind of double reception microwave frequency changer circuit and microwave converter |
| CN205726079U (en) * | 2016-06-12 | 2016-11-23 | 珠海市美信电子科技有限公司 | A kind of double local oscillator frequency demultiplier of single output |
| CN206422770U (en) * | 2016-12-22 | 2017-08-18 | 华讯方舟科技（湖北）有限公司 | A kind of microwave converter and its microwave frequency changer circuit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009171349A (en) * | 2008-01-17 | 2009-07-30 | Nsc Co Ltd | Receiver |
| JP4574687B2 (en) * | 2008-01-30 | 2010-11-04 | Ｏｋｉセミコンダクタ株式会社 | RF receiver |
| CN204361995U (en) * | 2015-01-14 | 2015-05-27 | 中山市瀚扬电子科技有限公司 | Low-noise frequency demultiplier integrating C wave band and KU wave band |
| CN105634411A (en) * | 2015-12-22 | 2016-06-01 | 华讯方舟科技（湖北）有限公司 | High stable local oscillator LO generation circuit |
| CN205829609U (en) * | 2016-06-29 | 2016-12-21 | 华讯方舟科技（湖北）有限公司 | A kind of feed switching microwave frequency changer circuit and microwave converter |
-
2016
- 2016-12-22 CN CN201611201680.9A patent/CN106533494B/en not_active Expired - Fee Related
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2534758A1 (en) * | 1982-10-15 | 1984-04-20 | Orega Electro Mecanique | High-frequency head for television receiver. |
| JPH0691508B2 (en) * | 1986-09-29 | 1994-11-14 | 株式会社ケンウッド | PN code synchronization method |
| CN1268830A (en) * | 1999-03-25 | 2000-10-04 | 松下电器产业株式会社 | Multiple frequency band data communication equipment and communication method and storage medium therefor |
| CN200983589Y (en) * | 2006-07-08 | 2007-11-28 | 广东鼎威科技有限公司 | Bidirectional conversion integrated circuit between RF signals and middle-frequency wired signals |
| CN201075398Y (en) * | 2007-08-29 | 2008-06-18 | 郴州高斯贝尔数码科技有限公司 | Ku frequency band four-local oscillator two-way output low noise frequency demultiplier |
| CN101788665A (en) * | 2010-03-16 | 2010-07-28 | 华中科技大学 | Passive millimeter wave focal plane image formation device |
| CN101945230A (en) * | 2010-08-12 | 2011-01-12 | 无锡市晶源微电子有限公司 | Single-chip control circuit of radiofrequency amplifying circuit of C and Ku wave bands of satellite television signals |
| KR20130063953A (en) * | 2011-12-07 | 2013-06-17 | 엘지이노텍 주식회사 | Tuner module |
| CN203896455U (en) * | 2014-06-03 | 2014-10-22 | 深圳盈添电子有限公司 | Circuit structure of satellite low noise block |
| CN204515143U (en) * | 2015-02-28 | 2015-07-29 | 武汉大学 | A kind of anti-interference GPS dual-frequency receiver radio frequency front-end device |
| CN204761450U (en) * | 2015-08-14 | 2015-11-11 | 武汉大学 | Spectral analyser based on heterodyne frequency sweep principle |
| CN205249146U (en) * | 2015-12-23 | 2016-05-18 | 华讯方舟科技（湖北）有限公司 | Microwave frequency conversion ware |
| 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 |
| CN205283742U (en) * | 2015-12-24 | 2016-06-01 | 华讯方舟科技（湖北）有限公司 | Four ways output microwave frequency conversion circuit and microwave frequency conversion ware |
| CN205681410U (en) * | 2016-06-08 | 2016-11-09 | 华讯方舟科技（湖北）有限公司 | A kind of anti-crosstalk multifrequency frequency dividing circuit and microwave converter |
| CN205726079U (en) * | 2016-06-12 | 2016-11-23 | 珠海市美信电子科技有限公司 | A kind of double local oscillator frequency demultiplier of single output |
| CN106130593A (en) * | 2016-06-29 | 2016-11-16 | 华讯方舟科技（湖北）有限公司 | A kind of double reception microwave frequency changer circuit and microwave converter |
| CN206422770U (en) * | 2016-12-22 | 2017-08-18 | 华讯方舟科技（湖北）有限公司 | A kind of microwave converter and its microwave frequency changer circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106533494A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106533494B (en) | A kind of microwave converter and its microwave frequency changer circuit | |
| CN106849876B (en) | A kind of low-power consumption wide band radio-frequency frequency mixer | |
| KR970004389A (en) | Double super heterodyne receiver | |
| TWI473419B (en) | Frequency doubler | |
| CN206422770U (en) | A kind of microwave converter and its microwave frequency changer circuit | |
| CN107147408A (en) | A kind of device for reducing the traction of Direct conversion transmitter frequency | |
| WO2018086341A1 (en) | Microwave frequency conversion circuit and frequency converter | |
| CN104485907A (en) | High-efficiency multimode radio frequency power amplifier | |
| CN105553492B (en) | A kind of low supply voltage double conversion receiver rf front-end | |
| CN102969989A (en) | Power synthesis device of radio frequency power amplifier | |
| CN104734641A (en) | Frequency mixer | |
| CN106656053B (en) | Ku wave band frequency conversion circuit and frequency converter | |
| CN106301227B (en) | A kind of load Self-bias Current multiplication type passive frequency mixer | |
| CN205545159U (en) | W - wave band high performance low -noise amplifier | |
| CN205212817U (en) | Broadband frequency agility frequency synthesizer | |
| TWI483542B (en) | Amplifier circuit | |
| CN107277471B (en) | One kind eight exports microwave frequency changer circuit and eight output microwave converters | |
| CN107786226B (en) | Dual-frequency vehicle-mounted interphone | |
| CN206894589U (en) | A kind of Ka wave bands quadruple chip | |
| CN205212801U (en) | Electrically tunable filter | |
| CN205249146U (en) | Microwave frequency conversion ware | |
| CN109510643B (en) | Microwave frequency conversion circuit and microwave frequency converter | |
| CN105071828A (en) | Multi-frequency locator | |
| CN206341190U (en) | Fifth harmonic circuit | |
| CN205249145U (en) | High stable local oscillator frequency LO generating circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |