CN106656053A - Ku-band frequency conversion circuit and frequency converter - Google Patents
Ku-band frequency conversion circuit and frequency converter Download PDFInfo
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- CN106656053A CN106656053A CN201610970516.8A CN201610970516A CN106656053A CN 106656053 A CN106656053 A CN 106656053A CN 201610970516 A CN201610970516 A CN 201610970516A CN 106656053 A CN106656053 A CN 106656053A
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- 238000006243 chemical reaction Methods 0.000 title abstract 4
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 230000010287 polarization Effects 0.000 claims abstract description 57
- 239000013078 crystal Substances 0.000 claims abstract description 33
- 230000003321 amplification Effects 0.000 claims abstract description 24
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 24
- 230000010355 oscillation Effects 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 37
- 230000033228 biological regulation Effects 0.000 claims description 35
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000008054 signal transmission Effects 0.000 claims 2
- 230000006641 stabilisation Effects 0.000 abstract 2
- 238000011105 stabilization Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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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 Ku-band frequency conversion circuit and a frequency converter. The Ku-band frequency conversion circuit comprises a first radio frequency amplification module, a first filtering module, a second radio frequency amplification module, a second filtering module, a control module, a crystal oscillation module, an intermediate frequency output module and a voltage stabilization module; horizontal polarization signals are inputted into the first radio frequency amplification module; the first radio frequency amplification module is connected with the first filtering module and the control module; vertical polarization signals are inputted into the second radio frequency amplification module; the second radio frequency amplification module is connected with the second filtering module and the control module; the first filtering module and the second filtering module are both connected with the control module; and the control module is connected with the crystal oscillation module, the intermediate frequency output module and the voltage stabilization module. According to the Ku-band frequency conversion circuit of the present invention, the horizontal polarization signals and the vertical polarization signals are amplified and filtered through a first branch and a second branch respectively, wherein the first branch is composed of the first radio frequency amplification module and the first filtering module, and the second branch is composed of the second radio frequency amplification module and the second filtering module, and the first branch and the second branch are independent from each other, and therefore, intercrossing of signals can be effectively eliminated.
Description
Technical field
The embodiment of the present invention belongs to microwave technical field, more particularly to a kind of Ku wave bands frequency changer circuit and frequency converter.
Background technology
With developing rapidly for microwave technology, the electronic product that microwave signal process is realized by microwave converter is also got over
Come more, however, the microwave frequency changer circuit of part electronic product has two kinds of high frequency polarized signals (horizontal polarization signals and hanging down
Straight polarized signal) cross one another situation, cause the isolation effect of circuit poor, there is serious interference between signal.
The content of the invention
The embodiment of the present invention provides a kind of Ku wave bands frequency changer circuit and frequency converter, the water that can be effectively isolated in frequency changer circuit
Flat polarized signal and vertical polarization signal, prevent the situation that intersects between signal, reduce the interference between signal.
On the one hand the embodiment of the present invention provides a kind of Ku wave bands frequency changer circuit, it include the first RF Amplifier Module, first
Filtration module, the second RF Amplifier Module, the second filtration module, control module, crystal oscillator module, intermediate frequency output module and voltage stabilizing mould
Block；
First RF Amplifier Module access horizontal polarization signals and respectively with first filtration module and the control
Molding block connects；Second RF Amplifier Module access vertical polarization signal and respectively with second filtration module and described
Control module connects；First filtration module and second filtration module are connected with the control module；The control
Module is connected respectively with the crystal oscillator module, the intermediate frequency output module and the Voltage stabilizing module；The intermediate frequency output module connects
Enter the two-way IF control signal and two-way voltage signal of external receiver output；
First RF Amplifier Module is amplified by control module control to the horizontal polarization signals that it is accessed,
First filtration module is filtered to the horizontal polarization signals after the amplification, and second RF Amplifier Module is by described
The control module vertical polarization signal that accesses to it of control is amplified, second filtration module to the amplification after it is vertical
Polarized signal is filtered, and the crystal oscillator module exports local oscillation signal, and the control module is by the local oscillation signal, filtered
The horizontal polarization signals and the filtered vertical polarization signal Frequency mixing processing are two-way intermediate-freuqncy signal, the intermediate frequency output
The two-way intermediate-freuqncy signal is exported to the external receiver and is transferred to the two-way IF control signal described by module
Control module, the two-way voltage signal is transferred to the Voltage stabilizing module, the control module is according to the two-way intermediate frequency control
The frequency size of local oscillation signal described in Signal Regulation processed, the Voltage stabilizing module is by the voltage-regulation of the two-way voltage signal to pre-
If value is powered for the control module.
On the other hand the embodiment of the present invention also provides a kind of frequency converter, and it includes above-mentioned Ku wave band frequency changer circuits.
The embodiment of the present invention by the tie point that is made up of the first RF Amplifier Module and the first filtration module and by
Second branch road of the second RF Amplifier Module and the second filtration module composition is respectively to horizontal polarization signals and vertical polarization signal
And be amplified and filtering process, two branch roads are separate, can be effectively isolated horizontal polarization signals in frequency changer circuit and
Vertical polarization signal, prevents the situation that intersects between signal, reduces the interference between signal.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be to making 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 be attached to obtain others according to these accompanying drawings
Figure.
Fig. 1 is the basic structure block diagram of the Ku wave band frequency changer circuits that embodiments of the invention one are provided；
Fig. 2 is the concrete structure block diagram of the Ku wave band frequency changer circuits that embodiments of the invention two are provided；
Fig. 3 is the basic circuit structure block diagram of the Ku wave band frequency changer circuits that embodiments of the invention three are provided；
Fig. 4 is the particular circuit configurations block diagram of the Ku wave band frequency changer circuits that embodiments of the invention four are 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 the embodiment of whole.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.
Term " including " and their any deformations in description and claims of this specification and above-mentioned accompanying drawing, meaning
Figure is to cover non-exclusive including.Process, method or system, product or equipment for example comprising series of steps or unit does not have
The step of listing or unit are defined in, but alternatively also include the step of not listing or unit, or alternatively also wrapped
Include other steps intrinsic for these processes, method, product or equipment or unit.Additionally, term " first ", " second " and
" 3rd " etc. is for distinguishing different objects, not for description particular order.
Embodiment one：
As shown in figure 1, the Ku wave band frequency changer circuits that the present embodiment is provided, it include the first RF Amplifier Module 10,
One filtration module 20, the second RF Amplifier Module 30, the second filtration module 40, control module 50, the output of crystal oscillator module 60, intermediate frequency
Module 70 and Voltage stabilizing module 80.
First RF Amplifier Module 10 access horizontal polarization signals and respectively with the first filtration module 20 and control module 50
Connection；Second RF Amplifier Module 30 accesses vertical polarization signal and connects with the second filtration module 40 and control module 50 respectively
Connect；First filtration module 20 and the second filtration module 40 are connected with control module 50；Control module 50 respectively with crystal oscillator module
60th, intermediate frequency output module 70 and Voltage stabilizing module 80 connect；Intermediate frequency output module 70 accesses the two-way intermediate frequency of external receiver output
Control signal and two-way voltage signal.
In a particular application, the first RF Amplifier Module 10 and the respective input of the second RF Amplifier Module 30 are also distinguished
The antenna for receiving horizontal polarization signals and vertical polarization signal is connected with, again two probes of Jing will after antenna reception signal
Signal is transmitted separately to the first RF Amplifier Module 10 and the second RF Amplifier Module 30.
The operation principle of Ku wave band frequency changer circuits that the present embodiment is provided is：
The controlled module control of first RF Amplifier Module is amplified to the horizontal polarization signals that it is accessed, the first filtering
Module is filtered to the horizontal polarization signals after amplification, and what the controlled module control of the second RF Amplifier Module was accessed to it hangs down
Straight polarized signal is amplified, and the second filtration module is filtered to the vertical polarization signal after amplification, and crystal oscillator module output is originally
Shake signal, and control module is by local oscillation signal, filtered horizontal polarization signals and filtered vertical polarization signal Frequency mixing processing
For two-way intermediate-freuqncy signal, intermediate frequency output module exports two-way intermediate-freuqncy signal to external receiver and by two-way IF control signal
It is transferred to control module, two-way voltage signal is transferred to Voltage stabilizing module, control module is adjusted according to two-way IF control signal
The frequency size of local oscillation signal, Voltage stabilizing module powers the voltage-regulation of two-way voltage signal for control module to preset value.
The embodiment of the present invention by the tie point that is made up of the first RF Amplifier Module and the first filtration module and by
Second branch road of the second RF Amplifier Module and the second filtration module composition is respectively to horizontal polarization signals and vertical polarization signal
And be amplified and filtering process, two branch roads are separate, can be effectively isolated horizontal polarization signals in frequency changer circuit and
Vertical polarization signal, prevents the situation that intersects between signal, reduces the interference between signal.
Embodiment two：
As shown in Fig. 2 in the present embodiment, the first RF Amplifier Module 10 includes the first primary He of radio frequency amplifying unit 11
First level amplifying unit 12, the second RF Amplifier Module 20 includes that the second primary radio frequency amplifying unit 21 and second subprime amplify
Unit 32.
The input of the first primary amplifying unit 11 accesses horizontal polarization signals, and the first of the first primary amplifying unit 11 receives
First primary control end of control termination control module 50, the second controlled termination control module 50 of the first primary amplifying unit 11
Second primary control end, the input of the output termination first time level amplifying unit 12 of the first primary amplifying unit 11, for the first time
First level control end of the first controlled termination control module 50 of level amplifying unit 12, the second of first level amplifying unit 12
The second subprime control end of controlled termination control module 50, the output of first level amplifying unit 12 terminates the first filtration module 20
Input.
The input of the second primary amplifying unit 31 accesses vertical polarization signal, and the first of the second primary amplifying unit 31 receives
3rd primary control end of control termination control module 50, the second controlled termination control module 50 of the second primary amplifying unit 31
4th primary control end, the input of the output termination second subprime amplifying unit 32 of the second primary amplifying unit 31, second
The third time level control end of the first controlled termination control module 50 of level amplifying unit 32, the second of second subprime amplifying unit 32
4th level control end of controlled termination control module 50, the output of second subprime amplifying unit 32 terminates the second filtration module 40
Input.
First the 12, second primary radio frequency of 11, first level amplifying unit of primary radio frequency amplifying unit that the present embodiment is provided
The operation principle of amplifying unit 21 and second subprime amplifying unit 32 is：
The controlled module 50 of first primary amplifying unit 11 controls once to amplify horizontal polarization signals, first level
Horizontal polarization signals after the controlled module 50 of amplifying unit 12 is controlled to once amplifying carry out secondary amplification, and by secondary amplification
Horizontal polarization signals afterwards are exported to the first filtration module 20；
The controlled module 50 of second primary amplifying unit 31 controls once to amplify vertical polarization signal, second subprime
Vertical polarization signal after the controlled module 50 of amplifying unit 32 is controlled to once amplifying carries out secondary amplification, and by secondary amplification
Vertical polarization signal output afterwards gives the second filtration module 40.
As shown in Fig. 2 in the present embodiment, intermediate frequency output module 70 includes the first intermediate frequency output unit 71 and the second intermediate frequency
Output unit 72, the Voltage stabilizing module 80 includes the first voltage regulation unit 81, the second voltage regulation unit 82 and switching diode T1.
First medium frequency output end of the input termination control module 50 of the first intermediate frequency output unit 71, the first intermediate frequency output is single
First via intermediate-freuqncy signal in the first output end output two-way intermediate-freuqncy signal of unit 71, the second of the first intermediate frequency output unit 71 is defeated
Go out end and connect the first IF control signal input of control module 50 and the input of the first voltage regulation unit 81 respectively.
Second medium frequency output end of the input termination control module 50 of the second intermediate frequency output unit 72, the second intermediate frequency output is single
The second tunnel intermediate-freuqncy signal in the first output end output two-way intermediate-freuqncy signal of unit 72, the second of the second intermediate frequency output unit 72 is defeated
Go out end and connect the second IF control signal input of control module 50 and the input of the second voltage regulation unit 82 respectively.
The first input end of the output termination switching diode T1 of the first voltage regulation unit 81, the output of the second voltage regulation unit 82
Second input of termination switching diode T1, the feeder ear of the output termination control module 50 of switching diode T1.
The first intermediate frequency output unit 71 that the present embodiment is provided, the second intermediate frequency output unit 72, the first voltage regulation unit 81, the
The operation principle of two voltage regulation units 82 and switching diode T1 is：
The output end of the first intermediate frequency output unit transmits the first via IF control signal in two-way IF control signal
To control module, the first via voltage signal in two-way voltage signal is transferred to first by the output end of the first intermediate frequency output unit
Voltage regulation unit, the first voltage regulation unit by the voltage-regulation of first via voltage signal to preset value and by switching diode export to
Control module；
The output end of the first intermediate frequency output unit transmits the second road IF control signal in two-way IF control signal
To control module, the second road voltage signal in two-way voltage signal is transferred to second by the output end of the second intermediate frequency output unit
Voltage regulation unit, the second voltage regulation unit by the voltage-regulation of the second road voltage signal to preset value and by switching diode export to
Control module.
It is used to export the first intermediate frequency output unit of two-way intermediate-freuqncy signal in the Ku wave band frequency changer circuits that the present embodiment is provided
With the first intermediate frequency output unit be also in structure be it is separate, it is non-interfering, can effectively reduce export two-way in
Interference between frequency signal.
Embodiment three：
As shown in figure 3, in the present embodiment, the first RF Amplifier Module 10 also includes the first coupled capacitor C1, and second penetrates
Frequency amplification module 30 also includes the second coupled capacitor C2；
First primary amplifying unit 11 includes the first N-type FET Q1, and the grid of the first N-type FET Q1 is first
The input of primary amplifying unit 11 and the first controlled end, the drain electrode of the first N-type FET is the first primary amplifying unit 11
Output end and the second controlled end, the source ground of the first N-type FET；
First level amplifying unit 12 includes the second N-type FET Q2, and the grid of the second N-type FET Q2 is first
The input of secondary amplifying unit 12 and the first controlled end, the drain electrode of the second N-type FET Q2 is first level amplifying unit
12 output end and the second controlled end, the source ground of the second N-type FET Q2, the first coupled capacitor C1 is serially connected in a N
Between the grid of the drain electrode of type FET Q1 and the second N-type FET Q2；
Second primary amplifying unit 31 includes the 3rd N-type FET Q3, and the grid of the 3rd N-type FET Q3 is second
The input of primary amplifying unit 31 and the first controlled end, the drain electrode of the 3rd N-type FET Q3 is the second primary amplifying unit
31 the second controlled end and output end, the source ground of the 3rd N-type FET Q3；
Second subprime amplifying unit 32 includes the 4th N-type FET Q4, and the grid of the 4th N-type FET Q4 is second
The input of secondary amplifying unit 32 and the first controlled end, the drain electrode of the 4th N-type FET Q4 is second subprime amplifying unit
32 the second controlled end and output end, the source ground of the 4th N-type FET Q4, the second coupled capacitor C2 is serially connected in the 3rd N
Between the grid of the drain electrode of type FET Q3 and the 4th N-type FET Q4.
In a particular application, the first～the 4th N-type FET can work as replacement with equivalence replacement as p-type FET
For p-type FET when, the source electrode that the drain electrode of p-type FET is equal to N-type FET is used, by p-type FET
Source electrode be equal to the drain electrode use of N-type FET.
As shown in figure 3, in the present embodiment, the first filtration module 20 includes the first bandpass filter BPF1, the second filtering
Module 40 includes the second bandpass filter BPF2；
The output end of input first RF Amplifier Module 10 of termination of the first bandpass filter BPF1, the first bandpass filter
First RF signal input end of the output termination control module 50 of BPF1；
Second bandpass filter input termination the second RF Amplifier Module 30 output end, the second bandpass filter it is defeated
Go out to terminate the second RF signal input end of control module 50.
In one embodiment of the invention the first filtration module 20 also includes being connected to the first RF Amplifier Module 10
The first filter unit between the input of output end and the first bandpass filter BPF1, the second filtration module 40 also includes connection
The second filter unit between the output end of the second RF Amplifier Module 30 and the input of the second bandpass filter BPF2.
As shown in figure 3, in the present embodiment, crystal oscillator module 60 includes crystal oscillator X, the input of crystal oscillator X
For the input of crystal oscillator module 60, the output end of crystal oscillator X is the output end of crystal oscillator module 60, and crystal oscillator X's is defeated
Go out to terminate the local oscillation signal input of control module 50, the local oscillation signal of the input termination control module 50 of crystal oscillator X is defeated
Go out end.
As shown in figure 3, in the present embodiment, control module 50 includes control chip U1, and control chip U1 is respectively with first
RF Amplifier Module 10, the first filtration module 20, the second RF Amplifier Module 30, the second filtration module 40, crystal oscillator module, intermediate frequency
Output module 70 and Voltage stabilizing module 80 connect.In the present embodiment, control chip U1 specifically selects the limited public affairs of Rui Di sections microelectronics
The RT320 cake cores of department, chip pin definition in the present embodiment is as follows with annexation：
No. 10 and No. 31 pins：Radiofrequency signal grounding pin, is grounded；
16th, 18,24 and No. 26 pins：Intermediate-freuqncy signal grounding pin, only No. 24 pin ground connection in the present embodiment
No. 1 pin：The grid voltage control end of first via radiofrequency signal, is first primary control in the present embodiment
End；
No. 2 pins：The drain voltage control end of first via radiofrequency signal, is second primary control in the present embodiment
End；
No. 3 pins：Gain control pin, it is vacant in the present embodiment；
No. 4, No. 15 and 27 pins：Internal LDO decouples end, vacant in the present embodiment；
No. 5 pins：4 × 2 switch datas poise device input, vacant in the present embodiment；
No. 6 pins：NC pins, it is vacant；
No. 7 pins：The grid voltage control end of the second tunnel radiofrequency signal, is the 3rd primary control in the present embodiment
End；
No. 8 pins：The source voltage control end of the second tunnel radiofrequency signal, is the 4th primary control in the present embodiment
End；
No. 9 pins：RF signal input end, is second RF signal input end in the present embodiment；
No. 11 pins：The grid voltage control end of the second tunnel radiofrequency signal, is the third time level control in the present embodiment
End；
No. 12 pins：The grid voltage control end of the second tunnel radiofrequency signal, is the 4th level control in the present embodiment
End；
No. 13 pins：Crystal oscillator drives input, is the local oscillation signal input in the present embodiment；
No. 14 pins：Crystal oscillator drive output, is the local oscillation signal output end in the present embodiment；
No. 17 pins：Intermediate-freuqncy signal output end, connects the input of the second intermediate frequency output unit in the present embodiment；
No. 19 pins：IF control signal input, the input with second voltage stabilizing chip and institute in the present embodiment
The output end for stating the second intermediate frequency output unit connects altogether；
No. 20 and No. 22 pins：5V energization pins, are the feeder ear in the present embodiment, meet the switching diode T1
Output end；
No. 23 pins：IF control signal input, the input with first voltage stabilizing chip and institute in the present embodiment
The output end for stating the second intermediate frequency output unit connects altogether；
No. 25 pins：Intermediate-freuqncy signal output end, connects the input of the first intermediate frequency output unit in the present embodiment；
No. 29 pins：The grid voltage control end of first via radiofrequency signal, is first level control in the present embodiment
End；
No. 30 pins：The grid voltage control end of first via radiofrequency signal, is the second subprime control in the present embodiment
End；
No. 32 pins：RF signal input end, connects first RF signal input end in the present embodiment.
As shown in figure 3, in the present embodiment, the first voltage regulation unit 81 includes the first voltage stabilizing chip U2, the second voltage regulation unit
82 include the second voltage stabilizing chip U3；
The input of the first voltage stabilizing chip U2 is the input of the first voltage regulation unit 81, the output end of the first voltage stabilizing chip U2
For the output end of the first voltage regulation unit 81, the earth terminal ground connection of the first voltage stabilizing chip U2；
The input of the second voltage stabilizing chip U3 is the input of the second voltage regulation unit 82, the output end of the second voltage stabilizing chip U3
For the output end of the second voltage regulation unit 82, the earth terminal ground connection of the second voltage stabilizing chip U3.
Example IV：
As shown in figure 4, on the basis of the circuit that embodiment three is provided, the Ku wave band frequency changer circuits for being provided also include
Following annexation：
It is connected with first resistor R1 between the grid of the first N-type FET Q1 and No. 2 pins of control chip U1, first
Resistance R1 is connected with the connects end altogether of No. 2 pins of control chip U1 with one end of the 3rd electric capacity C3, the other end of the 3rd electric capacity C3
Ground connection；Coupled capacitor C1 is in parallel with the 4th electric capacity C4；The drain electrode of the first N-type FET Q1 and No. 1 pin of control chip U1
Between be connected with second resistance R2, the connects end altogether and the one of the 5th electric capacity C5 of second resistance R2 and No. 1 pin of control chip U1
End connection, the other end ground connection of the 5th electric capacity C5；
3rd resistor R3 is connected between the grid of the second N-type FET Q2 and No. 29 pins of control chip U1, the
Three resistance R3 are connected with the connects end altogether of No. 29 pins of control chip U1 with one end of the 6th electric capacity C6, and the 6th electric capacity C6's is another
End ground connection；It is connected with the 4th resistance R4 between the drain electrode of the second N-type FET Q2 and No. 30 pins of control chip U1, the 4th
Resistance R4 is connected with the connects end altogether of No. 30 pins of control chip U1 with one end of the 7th electric capacity C7, the other end of the 7th electric capacity C7
Ground connection；
First filter unit is made up of two the 8th electric capacity C8 and the 9th electric capacity C9 parallel with one another；
It is connected with the 5th resistance R5 between the grid of the 3rd N-type FET Q3 and No. 7 pins of control chip U1, the 5th
Resistance R5 is connected with the connects end altogether of No. 7 pins of control chip U1 with one end of the tenth electric capacity C10 and the 11st C11, and the tenth is electric
Hold the other end ground connection of C10 and the 11st C11；Coupled capacitor C2 is in parallel with the 12nd electric capacity C12；3rd N-type FET Q3
Drain electrode and No. 8 pins of control chip U1 between be connected with the 6th resistance R6, No. 8 of the 6th resistance R6 and control chip U1 are drawn
The connects end altogether of pin is connected with one end of the 13rd electric capacity C13 and the 14th C14, and the 13rd electric capacity C13's and the 14th C14 is another
End ground connection；
The 7th resistance R7 is connected between the grid of the 4th N-type FET Q4 and No. 11 pins of control chip U1, the
Seven resistance R7 are connected with the connects end altogether of No. 11 pins of control chip U1 with one end of the 15th electric capacity C15, the 15th electric capacity C15
The other end ground connection；The 16th electric capacity C16 is also associated between the grid and source electrode of the 4th N-type FET Q4；4th N-type field
The 8th resistance R8, the 8th resistance R8 and control chip are connected between the drain electrode of effect pipe Q4 and No. 12 pins of control chip U1
The connects end altogether of No. 12 pins of U1 is connected with one end of the 17th electric capacity C17, the other end ground connection of the 17th electric capacity C17；
Second filter unit is made up of two the 18th electric capacity C18 and the 19th electric capacity C19 parallel with one another；
In the present embodiment, No. 3 resistance R9 of pin Jing the 9th ground connection of control chip U1, No. 4 electric capacity C20 of pin Jing the 20th
Ground connection, No. 16,18, No. 26 and No. 28 pins are grounded, No. 27 electric capacity C21 of pin Jing the 21st ground connection, No. 15 pin Jing the
22 electric capacity C22 are grounded；
The two ends difference electric capacity C23 of Jing the 23rd and the 24th electric capacity C24 ground connection of crystal oscillator X；
It is electric the 25th to be serially connected between No. 25 pins of control chip U1 and the input of the first intermediate frequency output unit 71
Hold C25 and the tenth resistance R10, between No. 23 pins of control chip U1 and the second output end of the first intermediate frequency output unit 71 also
The connects end altogether of the 11st resistance R11 and the 12nd resistance R12, the 11st resistance R11 and the 12nd resistance R12 is serially connected with also with
One end connection of 13 resistance R13, the other end ground connection of the 13rd resistance R13, the 12nd resistance R12 two ends are also parallel with second
16 electric capacity C26, the second output end of the 26th electric capacity C26, the 12nd resistance R12 and the first intermediate frequency output unit 71 is total to
Connect end to be also connected with one end of the 27th electric capacity C27, the other end ground connection of the 27th electric capacity C27；
It is electric the 28th to be serially connected between No. 17 pins of control chip U1 and the input of the second intermediate frequency output unit 72
Hold C28 and the 14th resistance R14, between No. 19 pins of control chip U1 and the second output end of the second intermediate frequency output unit 72
Also it is serially connected with the 15th resistance R15 and the 16th R16, the connects end altogether of the 15th resistance R15 and the 16th resistance R16 is also with the tenth
One end connection of seven resistance R17, the other end ground connection of the 17th resistance R17, the 16th resistance R16 two ends are also parallel with the 20th
Nine electric capacity C29, the second output end of the 29th electric capacity C29, the 16th resistance R16 and the second intermediate frequency output unit 72 connects altogether
End is also connected with one end of the 30th electric capacity C30, the other end ground connection of the 30th electric capacity C30；
No. 21 electric capacity C31 of pin Jing the 31st ground connection of control chip U1；
The output end of the switching diode T1 also electric capacity C32 of Jing the 32nd are grounded, the first input end of switching diode T1
One end of the 33rd electric capacity C33 and the 34th C34, the 33rd electric capacity are connected to altogether with the output end of the first voltage stabilizing chip U2
The other end ground connection of C33 and the 34th electric capacity C34；
Second input of switching diode T1 and the output end of the second voltage stabilizing chip U3 are connected to altogether the 35th electric capacity C35
With one end of the 36th electric capacity C36, the other end ground connection of the 35th electric capacity C35 and the 36th electric capacity C36, the second voltage stabilizing
The earth terminal of chip U3 also connects altogether with the earth terminal of the 30th electric capacity C30；
Second output end of the first intermediate frequency output unit 71 also electric capacity C37 of Jing the 37th are grounded, and the output of the second intermediate frequency is single
The second output end also electric capacity C38 of Jing the 38th ground connection of unit 72.
The present embodiment can be switched over by control chip U1 to the local oscillation signal that crystal oscillator is exported, and be penetrated with first
Frequency amplification module and the horizontal polarization signals and vertical polarization signal of the output of the second RF Amplifier Module carry out Frequency mixing processing, then
The intermediate-freuqncy signal output that process is obtained gives the receiver of intermediate frequency output module connection, can be defeated with pulse signal according to receiver
The IF control signal for going out, controls the frequency size of local oscillation signal, while also water can be switched according to the voltage of receiver output
Flat polarized signal or vertical polarization signal, to realize that the Whole frequency band of Ku wave bands is received.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present 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. a kind of Ku wave bands frequency changer circuit, it is characterised in that the Ku wave bands frequency changer circuit include the first RF Amplifier Module, the
One filtration module, the second RF Amplifier Module, the second filtration module, control module, crystal oscillator module, intermediate frequency output module and voltage stabilizing
Module；
First RF Amplifier Module access horizontal polarization signals and respectively with first filtration module and the control mould
Block connects；Second RF Amplifier Module access vertical polarization signal and respectively with second filtration module and the control
Module connects；First filtration module and second filtration module are connected with the control module；The control module
It is connected with the crystal oscillator module, the intermediate frequency output module and the Voltage stabilizing module respectively；The intermediate frequency output module accesses outer
The two-way IF control signal and two-way voltage signal of portion's receiver output；
First RF Amplifier Module is amplified by control module control to the horizontal polarization signals that it is accessed, described
First filtration module is filtered to the horizontal polarization signals after the amplification, and second RF Amplifier Module receives the control
The vertical polarization signal that module control is accessed to it is amplified, and second filtration module is to the vertical polarization after the amplification
Signal is filtered, and the crystal oscillator module exports local oscillation signal, and the control module is by the local oscillation signal, filtered described
Horizontal polarization signals and the filtered vertical polarization signal Frequency mixing processing are two-way intermediate-freuqncy signal, the intermediate frequency output module
The two-way intermediate-freuqncy signal is exported to the external receiver and the two-way IF control signal is transferred into the control
Module, the two-way voltage signal is transferred to the Voltage stabilizing module, the control module is believed according to two-way intermediate frequency control
The frequency size of the local oscillation signal number is adjusted, the Voltage stabilizing module is by the voltage-regulation of the two-way voltage signal to preset value
Power for the control module.
2. Ku wave bands frequency changer circuit as claimed in claim 1, it is characterised in that first RF Amplifier Module includes first
Primary radio frequency amplifying unit and first level amplifying unit, second RF Amplifier Module includes that the second primary radio frequency amplifies single
Unit and second subprime amplifying unit；
The input of the described first primary amplifying unit accesses horizontal polarization signals, and the first of the described first primary amplifying unit receives
First primary control end of the control termination control module, the second controlled termination control of the described first primary amplifying unit
Second primary control end of module, the input of output termination first level amplifying unit of the described first primary amplifying unit
End, first controlled first level control end for terminating the control module of first level amplifying unit, the first time
The second subprime control end of the second controlled termination control module of level amplifying unit, first level amplifying unit it is defeated
Go out the input for terminating first filtration module；
The input of the described second primary amplifying unit accesses vertical polarization signal, and the first of the described second primary amplifying unit receives
3rd primary control end of the control termination control module, the second controlled termination control of the described second primary amplifying unit
4th primary control end of module, the input of the output termination second subprime amplifying unit of the described second primary amplifying unit
End, the first controlled third time level control end for terminating the control module of the second subprime amplifying unit, described second
4th level control end of the second controlled termination control module of level amplifying unit, the second subprime amplifying unit it is defeated
Go out the input for terminating second filtration module；
Described first primary amplifying unit is once amplified by control module control to the horizontal polarization signals, described
The horizontal polarization signals after first level amplifying unit is controlled to once amplifying by the control module carry out secondary amplification,
And by secondary amplification after the horizontal polarization signals export to first filtration module；
Described second primary amplifying unit is once amplified by control module control to the vertical polarization signal, described
The vertical polarization signal after second subprime amplifying unit is controlled to once amplifying by the control module carries out secondary amplification,
And by secondary amplification after the vertical polarization signal output give second filtration module.
3. Ku wave bands frequency changer circuit as claimed in claim 2, it is characterised in that first RF Amplifier Module also includes the
One coupled capacitor, second RF Amplifier Module also includes the second coupled capacitor；
The first primary amplifying unit includes the first N-type FET, and the grid of the first N-type FET is described the
The input and the first controlled end of one primary amplifying unit, the drain electrode of the first N-type FET is put for first primary
The output end of big unit and the second controlled end, the source ground of the first N-type FET；
First level amplifying unit includes the second N-type FET, and the grid of the second N-type FET is described the
The input of level amplifying unit and the first controlled end, the drain electrode of the second N-type FET is put for first level
The output end of big unit and the second controlled end, the source ground of the second N-type FET, the first coupled capacitor concatenation
Between the drain electrode of the first N-type FET and the grid of the second N-type FET；
The second primary amplifying unit includes the 3rd N-type FET, and the grid of the 3rd N-type FET is described the
The input and the first controlled end of two primary amplifying units, the drain electrode of the 3rd N-type FET is put for second primary
Second controlled end of big unit and output end, the source ground of the 3rd N-type FET；
The second subprime amplifying unit includes the 4th N-type FET, and the grid of the 4th N-type FET is described the
The input of secondary stage amplifying unit and the first controlled end, the drain electrode of the 4th N-type FET is put for the second subprime
Second controlled end of big unit and output end, the source ground of the 4th N-type FET, the second coupled capacitor concatenation
Between the drain electrode of the 3rd N-type FET and the grid of the 4th N-type FET.
4. Ku wave bands frequency changer circuit as claimed in claim 1, it is characterised in that first filtration module includes the first band logical
Wave filter, second filtration module includes the second bandpass filter；
The output end of input termination first RF Amplifier Module of first bandpass filter, first bandpass filtering
First RF signal input end of the output termination control module of device；
The output end of input termination second RF Amplifier Module of second bandpass filter, second bandpass filtering
Second RF signal input end of the output termination control module of device.
5. Ku wave bands frequency changer circuit as claimed in claim 4, it is characterised in that first filtration module also includes being connected to
The first filter unit between the input of the output end of first RF Amplifier Module and first bandpass filter, institute
The second filtration module is stated also including the output end and second bandpass filter for being connected to second RF Amplifier Module
The second filter unit between input.
6. Ku wave bands frequency changer circuit as claimed in claim 1, it is characterised in that the control module includes control chip, institute
State control chip respectively with first RF Amplifier Module, first filtration module, second RF Amplifier Module, institute
State the connection of the second filtration module, the crystal oscillator module, the intermediate frequency output module and the Voltage stabilizing module.
7. Ku wave bands frequency changer circuit as claimed in claim 1, it is characterised in that the intermediate frequency output module includes the first intermediate frequency
Output unit and the second intermediate frequency output unit, the Voltage stabilizing module includes the first voltage regulation unit, the second voltage regulation unit and switch two
Pole pipe；
First medium frequency output end of the input termination control module of the first intermediate frequency output unit, first intermediate frequency is defeated
Go out the first via intermediate-freuqncy signal that the input/output terminal of unit is exported in the two-way intermediate-freuqncy signal, the first intermediate frequency output unit
Output end connect the first IF control signal input of the control module and the input of first voltage regulation unit respectively；
Second medium frequency output end of the input termination control module of the second intermediate frequency output unit, second intermediate frequency is defeated
Go out the second tunnel intermediate-freuqncy signal that the input/output terminal of unit is exported in the two-way intermediate-freuqncy signal, the second intermediate frequency output unit
Output end connect the second IF control signal input of the control module and the input of second voltage regulation unit respectively；
The first input end of the output termination switching diode of first voltage regulation unit, second voltage regulation unit it is defeated
Go out to terminate the second input of the switching diode, the power supply of the output termination control module of the switching diode
End；
The output end of the first intermediate frequency output unit is by the first via IF control signal in the two-way IF control signal
The control module is transferred to, the output end of the first intermediate frequency output unit is electric by the first via in the two-way voltage signal
Pressure signal transmission give first voltage regulation unit, first voltage regulation unit by the voltage-regulation of the first via voltage signal extremely
Preset value is simultaneously exported to the control module by the switching diode；
The output end of the second intermediate frequency output unit is by the second road IF control signal in the two-way IF control signal
The control module is transferred to, the output end of the second intermediate frequency output unit is electric by the second tunnel in the two-way voltage signal
Pressure signal transmission give second voltage regulation unit, second voltage regulation unit by the voltage-regulation of second road voltage signal extremely
Preset value is simultaneously exported to the control module by the switching diode.
8. Ku wave bands frequency changer circuit as claimed in claim 7, it is characterised in that first voltage regulation unit includes the first voltage stabilizing
Chip, second voltage regulation unit includes the second voltage stabilizing chip；
The input of first voltage stabilizing chip is the input of first voltage regulation unit, the output of first voltage stabilizing chip
Hold as the output end of first voltage regulation unit, the earth terminal ground connection of first voltage stabilizing chip；
The input of second voltage stabilizing chip is the input of second voltage regulation unit, the output of second voltage stabilizing chip
Hold as the output end of second voltage regulation unit, the earth terminal ground connection of second voltage stabilizing chip.
9. Ku wave bands frequency changer circuit as claimed in claim 1, it is characterised in that the crystal oscillator module includes crystal oscillator,
The input of the crystal oscillator is the input of the crystal oscillator module, and the output end of the crystal oscillator is the crystal oscillator
The output end of module, the local oscillation signal input of the output termination control module of the crystal oscillator, the crystal shakes
Swing the local oscillation signal output end of the input termination control module of device.
10. a kind of frequency converter, it is characterised in that the frequency converter includes that the Ku wave bands as described in any one of claim 1～9 become
Frequency circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970516.8A CN106656053B (en) | 2016-11-04 | 2016-11-04 | Ku wave band frequency conversion circuit and frequency converter |
| PCT/CN2017/086573 WO2018082299A1 (en) | 2016-11-04 | 2017-05-31 | Ku band frequency conversion circuit and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970516.8A CN106656053B (en) | 2016-11-04 | 2016-11-04 | Ku wave band frequency conversion circuit and frequency converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106656053A true CN106656053A (en) | 2017-05-10 |
| CN106656053B CN106656053B (en) | 2024-06-14 |
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|---|---|---|---|
| CN201610970516.8A Active CN106656053B (en) | 2016-11-04 | 2016-11-04 | Ku wave band frequency conversion circuit and frequency converter |
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| Country | Link |
|---|---|
| CN (1) | CN106656053B (en) |
| WO (1) | WO2018082299A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332575A (en) * | 2017-08-09 | 2017-11-07 | 华讯方舟科技有限公司 | A kind of single local oscillator microwave frequency changer circuit and frequency converter |
| WO2018082299A1 (en) * | 2016-11-04 | 2018-05-11 | 华讯方舟科技有限公司 | Ku band frequency conversion circuit and frequency converter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| US6178319B1 (en) * | 1997-09-26 | 2001-01-23 | Matsushita Electric Industrial Co., Ltd. | Microwave mixing circuit and down-converter |
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| CN107332575A (en) * | 2017-08-09 | 2017-11-07 | 华讯方舟科技有限公司 | A kind of single local oscillator microwave frequency changer circuit and frequency converter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018082299A1 (en) | 2018-05-11 |
| CN106656053B (en) | 2024-06-14 |
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