CN106603090A - 12-channel transmitting-receiving frequency-conversion channel device - Google Patents
12-channel transmitting-receiving frequency-conversion channel device Download PDFInfo
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- CN106603090A CN106603090A CN201710041658.0A CN201710041658A CN106603090A CN 106603090 A CN106603090 A CN 106603090A CN 201710041658 A CN201710041658 A CN 201710041658A CN 106603090 A CN106603090 A CN 106603090A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention, which belongs to the frequency-conversion channel field, particularly relates to a 12-channel transmitting-receiving frequency-conversion channel device comprising a frequency conversion receiving module, a transmitting excitation module, a frequency synthesizer module and a power supply module. The device has a two-layer structure including an upper layer and a lower layer; and the power supply module, the frequency synthesizer module, and the transmitting excitation module are arranged at the upper layer and the frequency conversion receiving module is arranged at the lower layer. 12-channel frequency-conversion transmitting and receiving is at a radio-frequency band. The 12-channel transmitting-receiving frequency-conversion channel device has characteristics of small size, light weight, and high reliability by being compared with products based on the same kind of design.
Description
Technical field
The invention belongs to frequency conversion channel field, and in particular to realize the multichannel transmitting-receiving subassembly that microminaturization is designed.
Background technology
Frequency conversion channel is located between antenna and datatron.Key modules are in wireless communication link.It is mainly completed
Radiofrequency signal transforms to medium frequency reception desired signal and intermediate frequency transmission signal transforms to radio frequency output signal.Generally frequency conversion channel sets
Count using hybrid integrated mode in fact showing.Adopting parts when design in this way multichannel frequency conversion channel various, small product size
Larger, weight is big, and reliability is low.These problems all have a strong impact on the development of Modern wireless communication.
Existing patent such as number of patent application is：CN201320269285.X, the applying date is 2013.05.17, entitled " one
The patent of invention of the multichannel conversion processor in kind DTMB systems ", its technology contents are as follows：This utility model is related to one kind
Multichannel conversion processor in DTMB systems, structure includes：Signal input port, broadband filter, low-noise amplifier, six
Allotter, multichannel conversion processor, six blenders, signal output port, it is characterised in that：The multichannel conversion processor
It is made up of six specification identical channel frequency-conversion processing units, the signal input port and broadband filter, low noise amplification
Device, six allotters, multichannel conversion processor, six blenders, signal output port are sequentially connected and connect.
For another example number of patent application is CN201520947674.2, and the applying date is 2015.11.24, and entitled " one kind is based on number
The utility model patent of eight channellized transmitters of word upconverter ", its technology contents are as follows：This utility model discloses one kind and is based on
Eight channellized transmitters of digital up converter, it includes DSP, and DSP connects respectively
MCU controllers, CPLD PLDs, ADC analog-digital converters, DUC1 digital up converter and DUC2 Digital Up Converts
Device, MCU controllers are circumscribed with serial ports RS232, CPLD PLDs connect respectively TCXO, dual port RAM, ADC, DSP,
DUC1, DUC2, Flash and DAC, between ADC analog-digital converters and DSP level translator is also associated with,
The external Flash of DSP, the external DAC digital to analog converters of DUC1 digital up converter.
Although above-mentioned two patent problems part all realizes multichannel signal frequency conversion, the place of high frequency signal is belonged to
Reason, software and radio technique dependency degree is higher, does not apply to the technology to carry out signal frequency conversion process in frequency microwave section.
The content of the invention
In order to improve traditional multichannel frequency conversion channel design shortcoming, product reliability is improved, the present invention proposes a kind of 12 passage
Transmitting-receiving frequency conversion channel.
A kind of 12 passages transmitting-receiving frequency conversion CU channel unit, it is characterised in that：Including frequency conversion receiver module, transmitting excitation module,
Frequently comprehensive module and power module, are integrally divided into upper and lower double-layer structure, and it includes that at the middle and upper levels power module, the comprehensive module of frequency and transmitting swash
Module is encouraged, lower floor is frequency conversion receiver module.
The power module includes DC-DC and LDO.
The comprehensive module of the frequency includes clock unit, S local oscillators, X local oscillators and FPGA unit；The clock unit includes constant temperature
Crystal oscillator, amplifying circuit and work(parallel circuit, constant-temperature crystal oscillator produces the clock signal of 100MHz, and then output enters rear class amplifying circuit
The amplification of signal level is carried out, the clock signal after amplification is entered the input of work(parallel circuit, tri- roads of Jing work(parallel circuit Hou Fen are defeated
Go out, be supplied respectively to S local oscillators, X local oscillators and FPGA unit as clock reference signal, clock unit is mainly local oscillator and FPGA is carried
For basic clock signal.The S local oscillators include phase discriminator, amplifier and VCO, and the phase demodulation voltage of phase discriminator output is through amplifier structure
Into loop filter after export, into the voltage tuning end of VCO, VCO exports S local oscillation signals according to VT value, while
The local oscillation signal of output will separate a branch road and feed back to phase discriminator, a phase-locked loop be constituted, so as to realize S local oscillation signals
Output；The X local oscillators include phase discriminator, amplifier, VCO and doubler, with the phase demodulation electricity of the same phase discriminator output of S local oscillator units
Press and exported after the loop filter that amplifier is constituted, into the voltage tuning end of VCO, VCO exports X sheets according to VT value
Shake signal, while the local oscillation signal of output will separate a branch road feeds back to phase discriminator, a phase-locked loop is constituted, so as to realize
The output of X local oscillation signals；The FPGA unit includes fpga chip, configuration chip and reset chip, configuration chip and reset
Chip is connected by SPI interface with fpga chip, and FPGA unit is mainly two-way local oscillator and provides data command.
The frequency conversion receiver module includes radio frequency unit and intermediate frequency unit, and the frequency conversion receiver module is by four 3 passages
Submodule constitutes 12 channel modules, and each submodule the inside includes the three tunnels transmitting-receiving realized using LTCC techniques, the radio frequency list
Unit is transmitting-receiving common branch, including the first amplifier, the second amplifier, the first wave filter, the second wave filter, the first attenuator and
First frequency mixer, it passes sequentially through 50 ohmage band wire and is connected in series, wherein the first frequency mixer is realized receiving signal the
Second frequency conversion of single-conversion and transmission signal；12 tunnels realized using the intermediate frequency unit of microwave multi-layer boards technique are received
Second frequency conversion of signal, the intermediate frequency unit includes first switch, the 3rd amplifier, the 4th amplifier, the 5th amplifier, the
Six amplifiers, the 3rd wave filter, the 4th wave filter, the second frequency mixer and the first temperature compensation attenuator, it passes sequentially through 50 ohm of resistances
Anti- band wire is connected in series.Wherein the second frequency mixer is realized receiving second frequency conversion of signal.
The transmitting excitation module is mainly realized launching first time frequency conversion partial circuit, including the 7th amplifier, and second declines
Subtract device, the 8th amplifier, the 5th wave filter, the 6th wave filter, three-mixer and the first power splitter, it passes sequentially through 50 ohm
Impedance band wire is connected in series, wherein three-mixer realizes transmission signal first time frequency conversion, the road output is by 12 road work(point
Device is divided into 12 tunnels, then connects rear class radio-frequency receiving-transmitting common branch.
Beneficial effects of the present invention：
1st, the present invention realize 12 passage frequency conversions transmitting-receiving be in radio band, in similar design have small volume, it is lightweight, can
By property it is high the characteristics of.
2nd, the present invention is by upper strata power module, the comprehensive module of frequency, transmitting excitation module, lower floor's frequency conversion receiver module.Two-layer is tied
Structure is combined, and they penetrate wall and realize interconnecting up and down by insulator, so that overall structure is even closer, realizes whole
Body volume is only 265mm*275mm*41mm.
3rd, radio frequency unit part is transmitting-receiving common branch, can save many in such design space structure and number of devices,
Realize the dual compression of volume and cost.
4th, radio frequency unit has used LTCC techniques, furthermore achieved that Highgrade integration, miniaturization, and improve product can
By property.
Description of the drawings
Fig. 1 is overall schematic of the present invention.
Fig. 2 is 12 road transceiver channel schematic diagram of the invention.
In accompanying drawing：Frequency conversion receiver module 1, transmitting excitation module 2, the comprehensive module 3 of frequency, power module 4；Radio frequency unit 11, in
Frequency unit 12；Clock unit 31, S local oscillators 32, X local oscillators 33, FPGA unit 34.
In shown in Fig. 2, A1 is the first amplifier, and A2 is the second amplifier, and A3 is the 3rd amplifier, and A4 amplifies for the 4th
Device, A5 is the 5th amplifier, and A6 is the 6th amplifier, and A7 is the 7th amplifier, and A8 is the 8th amplifier, and BPF1 is the first filtering
Device, BPF2 is the second wave filter, and BPF3 is the 3rd wave filter, and BPF4 is the 4th wave filter, and BPF5 is the 5th wave filter, and BPF6 is
6th wave filter, MTVA1 be the first temperature compensation attenuator, MTVA2 be the second temperature compensation attenuator, MIX1 be the first frequency mixer, MIX2
For the second frequency mixer, MIX3 is three-mixer, and KG1 is first switch, and DIV1 is the first power splitter, and ATT1 is the first decay
Device.
Specific embodiment
Embodiment 1
A kind of 12 passages transmitting-receiving frequency conversion CU channel unit includes frequency conversion receiver module 1, transmitting excitation module 2, the comprehensive module 3 of frequency and power supply
Module 4, is integrally divided into upper and lower double-layer structure, and it includes at the middle and upper levels power module 4, the comprehensive module 3 of frequency and transmitting excitation module 2, under
Layer is frequency conversion receiver module 1.The 12 passage frequency conversions transmitting-receiving that the present invention is realized is in radio band, has volume in similar design
It is little, lightweight, the characteristics of reliability is high.
Embodiment 2
A kind of 12 passages transmitting-receiving frequency conversion CU channel unit includes frequency conversion receiver module 1, transmitting excitation module 2, the comprehensive module 3 of frequency and power supply
Module 4, is integrally divided into upper and lower double-layer structure, and it includes at the middle and upper levels power module 4, the comprehensive module 3 of frequency and transmitting excitation module 2, under
Layer is frequency conversion receiver module 1.
Power module 4 includes DC-DC and LDO.
Frequently comprehensive module 3 includes clock unit 31, S local oscillators 32, X local oscillators 33 and FPGA unit 34；The clock unit 31 is wrapped
Constant-temperature crystal oscillator, amplifying circuit and work(parallel circuit are included, constant-temperature crystal oscillator produces the clock signal of 100MHz, then output enters rear class
Amplifying circuit carries out the amplification of signal level, and the clock signal after amplification is entered the input of work(parallel circuit, Jing after work(parallel circuit
Divide the output of three tunnels, be supplied respectively to S local oscillators 32, X local oscillators 33 and FPGA unit 34 as clock reference signal, clock unit 31 is led
To be that local oscillator and FPGA provide basic clock signal.The S local oscillators 32 include phase discriminator, amplifier and VCO, phase discriminator output
Phase demodulation voltage is exported after the loop filter that amplifier is constituted, and into the voltage tuning end of VCO, VCO is according to VT value
The signal of output S local oscillators 32, while the local oscillation signal of output will separate a branch road feeds back to phase discriminator, constitutes a phaselocked loop
Road, so as to realize the output of the signal of S local oscillators 32；The X local oscillators 33 include phase discriminator, amplifier, VCO and doubler, with S local oscillators
The phase demodulation voltage of the same phase discriminator output of Unit 32 is exported after the loop filter that amplifier is constituted, and the voltage into VCO is adjusted
Humorous end, VCO exports the signal of X local oscillators 33 according to VT value, while the local oscillation signal of output will separate a branch road and feed back to
Phase discriminator, constitutes a phase-locked loop, so as to realize the output of the signal of X local oscillators 33；The FPGA unit 34 includes FPGA cores
Piece, configuration chip and reset chip, configuration chip and reset chip are connected by SPI interface with fpga chip, FPGA unit
34 predominantly two-way local oscillators provide data command.
Frequency conversion receiver module 1 includes radio frequency unit 11 and intermediate frequency unit 12, and the frequency conversion receiver module 1 is led to by four 3
Road submodule constitutes 12 channel modules, and each submodule the inside includes the three tunnels transmitting-receiving realized using LTCC techniques, the radio frequency
Unit 11 is transmitting-receiving common branch, including the first amplifier, the second amplifier, the first wave filter, the second wave filter, the first decay
Device and the first frequency mixer, it passes sequentially through 50 ohmage band wire and is connected in series, wherein the first frequency mixer is realized receiving letter
Second frequency conversion of number first time frequency conversion and transmission signal；12 realized using the intermediate frequency unit 12 of microwave multi-layer boards technique
Road receive signal second frequency conversion, the intermediate frequency unit 12 include first switch, the 3rd amplifier, the 4th amplifier, the 5th
Amplifier, the 6th amplifier, the 3rd wave filter, the 4th wave filter, the second frequency mixer and the first temperature compensation attenuator, it is passed sequentially through
50 ohmage band wire are connected in series.Wherein the second frequency mixer is realized receiving second frequency conversion of signal.
Transmitting excitation module 2 mainly realizes transmitting first time frequency conversion partial circuit, including the 7th amplifier, the second decay
Device, the 8th amplifier, the 5th wave filter, the 6th wave filter, three-mixer and the first power splitter, it passes sequentially through 50 ohm of resistances
Anti- band wire is connected in series, wherein three-mixer realizes transmission signal first time frequency conversion, the road is exported by 12 road power splitters
It is divided into 12 tunnels, then connects rear class radio-frequency receiving-transmitting common branch.
The present invention realize 12 passage frequency conversions transmitting-receiving be in radio band, in similar design have small volume, it is lightweight,
The characteristics of reliability is high.The present invention is by upper strata power module 4, the comprehensive module 3 of frequency, transmitting excitation module 2, lower floor's frequency conversion receiver module
1.Double-layer structure is combined, and they penetrate wall and realize interconnecting up and down by insulator, so that overall structure is more stepped up
It is close, realize that overall volume is only 265mm*275mm*41mm.The part of radio frequency unit 11 is transmitting-receiving common branch, such design space
Can save many in structure and number of devices, realize the dual compression of volume and cost.Radio frequency unit 11 has used LTCC techniques,
Highgrade integration, miniaturization are furthermore achieved that, the reliability of product is improve.
Embodiment 3
On the basis of embodiment 1 and embodiment 2, as shown in figure 1,12 passages transmitting-receiving frequency conversion channel, it includes that frequency conversion receives mould
Block 1, transmitting excitation module 2, the comprehensive module 3 of frequency and power module 4.Frequency conversion receiver module 1 includes radio frequency unit 11 and intermediate frequency list
First 12 two parts, the comprehensive module 3 of frequency contains S local oscillators 32, X local oscillators 33, FPGA unit 34 and clock unit 31 totally four part.
Fig. 2 is transceiver channel schematic diagram, and wherein emitting portion is distinguished after first time up-conversion by 12 road power splitters
12 tunnels transmitting-receiving common branch is supplied, is engaged in this profession to antenna end finally by Waveguide interface through double conversion.Receiving portion, from antenna
Receiving and dispatching common branch arrival frequency mixer by 12 tunnels after input carries out first time down coversion, then carries out second change by rear class
Frequency is exported.
The power module 4, each module required voltage is transformed into using DC-DC and LDO by input voltage, is then given respectively
Each module for power supply.Powered with LDO by DC-DC, make that power supply ripple is minimum, noise resisting ability is higher.
The clock unit 31, using 100MHz constant-temperature crystal oscillators, realizes high accuracy and high stability.In the comprehensive module 3 of frequency
Portion's work(is divided into three tunnels, is respectively supplied to the PLL of a local oscillator X local oscillator 33 and the PLL of two local oscillator S local oscillators 32 as reference signal, with
And provide clock reference signal to FPGA.
The one local oscillator X local oscillator 33, frequency hopping local oscillator source ring 11～11.5GHz of output frequency, frequency step 10MHz.Using
Ripe single loop phase locked loop circuit, is to improve index of mutually making an uproar, and phaselocked loop adopts fractional frequency division, 50MHz phase demodulations.Selection to VCO,
Using small size MMIC VCO, preposition two-divider is carried inside it, it may not be necessary to designing independent outside prescale unit
Device, due to output signal bandwidth, the voltage-controlled voltages of VCO have been over the ceiling voltage that phase discriminator can be exported, therefore lock phase
Ring loop filter is needed using active circuit design realization, realizes that direct current amplifies by discharge circuit, covers the voltage-controlled models of VCO
Enclose.
The two local oscillators S local oscillator 32, using single loop phase locked loop circuit, selects Low phase noise digital PLL chip, rail-to-rail amplifier
Amplifier and MMIC VCO, realize Miniaturization Design, output frequency 4.7GHz.
The FPGA unit 34, the modular unit mainly includes fpga chip, crystal, configuration chip, reset chip, download
Interface, LDO modules, adapter, the power supply of the modular unit passes through connectors supply+6V by PCB, using small package
LDO is given to FPGA and other chips.The module mainly to two-way local oscillator PLL configuration data, realize the rate-adaptive pacemaker of S local oscillators 32 and
The frequency hopping output of X local oscillators 33.
The frequency conversion receiver module 1, the module includes radio frequency unit 11 and the two parts of intermediate frequency unit 12.Radio frequency unit 11 is
Transmitting-receiving common portion, intermediate frequency unit 12 is reception double conversion part.
First amplifier, is low-noise amplifier, and input signal is amplified, incoming frequency be 18500 ±
500MHz, power is -90 dBm, and -72 dBm are exported after amplification.
First wave filter, is film filter, just there is low loss characteristic.It is filtered to the first output amplified
Process, with a width of 1000MHz, power is -76 dBm to its output frequency 18500MHz.
Second amplifier, is low-noise amplifier, and the first filter output signal is amplified, and frequency is 18500
± 500MHz, power is -59 dBm.
First attenuator, is numerical-control attenuator, and control is decayed to it by FPGA, is capable of achieving differential declines amount
Control.Change attenuator to decay the signal of the second amplifier, output frequency is constant, power is -63 dBm.
First frequency mixer, mixes to first attenuator output signal and the output frequency signal of X local oscillators 33
Frequently, 4000MHz frequency signals are produced.Its output is -73 dBm.
Second wave filter, is filtered to the first mixer output signal, and its output center frequency is 4000MHz,
Output is -75 dBm.
The first switch, it is single-pole double-throw switch (SPDT), to switching between transmitting and reception.In emission state
When, switch point to transmitting path, in reception state when, switch point to receiving path.Switch is controlled it by FPGA.
3rd amplifier, in for medium frequency reception part, puts to the reception signal of first switch output
Greatly, signal output frequency 4000MHz, output is -61 dBm.
4th amplifier, to the output signal of the 3rd amplifier process is amplified, and output frequency is
4000MHz, power is -46 dBm.
3rd wave filter, to the 4th output signal Filtering Processing amplified, it is to avoid interference signal is into the second mixing
Device produces spurious signal.The frequency of its output signal is 4000MHz, and power is -53 dBm.
Second frequency mixer, is mixed to the 3rd filter output signal and the output frequency signal of S local oscillators 32,
Produce 700MHz frequency signals.Its output is -68 dBm.
4th wave filter, is filtered to second mixer output signal, and its output center frequency is
700MHz, output is -71 dBm.
5th amplifier, is amplified to the 4th filter output signal, its output frequency be 700MHz, work(
Rate is -37 dBm.
First attenuator, is temperature compensation attenuator, and its gain to receives link under high/low temperature varying environment is carried out
Compensation, makes gain fluctuation diminish.Its output signal frequency is 700MHz, and power is -44 dBm.
6th amplifier, is amplified to the output signal of the first temperature compensation attenuator, and output frequency is
700MHz, power is -11 dBm.
7th amplifier, is transmitting chain amplifier, and its centering frequency transmission signal 700MHz is amplified, input
The amplifiers of the dBm of signal -15 the 7th export 0dBm.
Second attenuator, is temperature compensation attenuator, and its gain to transmitting chain under high/low temperature varying environment is carried out
Compensation, makes gain fluctuation diminish.Its output signal frequency is 700MHz, and power is 6 dBm.
5th wave filter, is filtered to the 7th amplifier output signal, and its output center frequency is
700MHz, output is 4 dBm.
The three-mixer, is mixed to the 5th filter output signal and the output frequency signal of S local oscillators 32,
Produce 4000MHz frequency signals.Its output is -6 dBm.
6th wave filter, filters to three-mixer output, suppression spurious signal, and its output frequency is
4000MHz, power is the signal of -9 dBm.
8th amplifier, to the 6th wave filter output amplify, its output center frequency be 700MHz, output work
Rate is 9 dBm.
First power splitter, is 12 road power splitters, and it is divided into 12 roads and supplies 12 tunnels receipts to the 8th amplifier output
Send out common branch.First power splitter output frequency is 4000MHz, and power is -3 dBm.
Claims (5)
1. a kind of 12 passage receives and dispatches frequency conversion CU channel unit, it is characterised in that：Including frequency conversion receiver module（1）, transmitting excitation module
（2）, the comprehensive module of frequency（3）And power module（4）, integrally it is divided into upper and lower double-layer structure, it includes at the middle and upper levels power module（4）, frequency
Comprehensive module（3）With transmitting excitation module（2）, lower floor is frequency conversion receiver module（1）.
2. 12 passage according to claim 1 receives and dispatches frequency conversion CU channel unit, it is characterised in that：The power module（4）Bag
Include DC-DC and LDO.
3. 12 passage according to claim 1 receives and dispatches frequency conversion CU channel unit, it is characterised in that：The comprehensive module of the frequency（3）Bag
Include clock unit（31）, S local oscillators（32）, X local oscillators（33）And FPGA unit（34）；The clock unit（31）Include constant temperature brilliant
Shake, amplifying circuit and work(parallel circuit, constant-temperature crystal oscillator produces the clock signal of 100MHz, then exports into rear class amplifying circuit
The amplification of row signal level, the clock signal after amplification is entered the input of work(parallel circuit, the output of the tunnels of Jing work(parallel circuits Hou Fen tri-,
It is supplied respectively to S local oscillators（32）, X local oscillators（33）And FPGA unit（34）As clock reference signal, clock unit（31）For local oscillator
And FPGA provides basic clock signal, the S local oscillators（32）Including phase discriminator, amplifier and VCO, the phase demodulation electricity of phase discriminator output
Press and exported after the loop filter that amplifier is constituted, into the voltage tuning end of VCO, VCO exports S sheets according to VT value
Shake（32）Signal, while the local oscillation signal of output will separate a branch road feeds back to phase discriminator, constitutes a phase-locked loop, so as to
Realize S local oscillators（32）The output of signal；The X local oscillators（33）Including phase discriminator, amplifier, VCO and doubler, with S local oscillators
（32）The phase demodulation voltage of the same phase discriminator output of unit is exported after the loop filter that amplifier is constituted, into the voltage of VCO
Tuning tip, VCO exports X local oscillators according to VT value（33）Signal, at the same the local oscillation signal of output will to separate a branch road anti-
Feed phase discriminator, a phase-locked loop is constituted, so as to realize X local oscillators（33）The output of signal；The FPGA unit（34）Including
Fpga chip, configuration chip and reset chip, configuration chip and reset chip are connected by SPI interface with fpga chip,
FPGA unit（34）Predominantly two-way local oscillator provides data command.
4. 12 passage according to claim 1 receives and dispatches frequency conversion CU channel unit, it is characterised in that：The frequency conversion receiver module
（1）Include radio frequency unit（11）And intermediate frequency unit（12）, the frequency conversion receiver module（1）It is made up of four 3 passage submodules
12 channel modules, each submodule the inside includes the three tunnels transmitting-receiving realized using LTCC techniques, the radio frequency unit（11）To receive
Common branch, including the first amplifier are sent out, the second amplifier, the first wave filter, the second wave filter, the first attenuator and first is mixed
Frequency device, it passes sequentially through 50 ohmage band wire and is connected in series, wherein the first frequency mixer realizes that receiving signal becomes for the first time
Frequently with second frequency conversion of transmission signal；Using the intermediate frequency unit of microwave multi-layer boards technique（12）12 tunnels realized receive letter
Number second frequency conversion, the intermediate frequency unit（12）Including first switch, the 3rd amplifier, the 4th amplifier, the 5th amplifier,
6th amplifier, the 3rd wave filter, the 4th wave filter, the second frequency mixer and the first temperature compensation attenuator, it passes sequentially through 50 ohm
Impedance band wire is connected in series, wherein the second frequency mixer is realized receiving second frequency conversion of signal.
5. 12 passage according to claim 1 receives and dispatches frequency conversion CU channel unit, it is characterised in that：The transmitting excitation module
（2）It is main to realize transmitting first time frequency conversion partial circuit, including the 7th amplifier, the second attenuator, the 8th amplifier, the 5th filter
Ripple device, the 6th wave filter, three-mixer and the first power splitter, it passes sequentially through 50 ohmage band wire and is connected in series,
Wherein three-mixer realizes transmission signal first time frequency conversion, and the road output is divided into 12 tunnels by 12 road power splitters, after then connecting
Level radio-frequency receiving-transmitting common branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041658.0A CN106603090B (en) | 2017-01-20 | 2017-01-20 | 12-channel receiving-transmitting frequency conversion channel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041658.0A CN106603090B (en) | 2017-01-20 | 2017-01-20 | 12-channel receiving-transmitting frequency conversion channel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106603090A true CN106603090A (en) | 2017-04-26 |
| CN106603090B CN106603090B (en) | 2022-10-11 |
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| CN201710041658.0A Active CN106603090B (en) | 2017-01-20 | 2017-01-20 | 12-channel receiving-transmitting frequency conversion channel device |
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| CN112803898A (en) * | 2021-03-17 | 2021-05-14 | 成都瑞迪威科技有限公司 | High-integration-level frequency conversion channel assembly |
| CN113156374A (en) * | 2020-12-29 | 2021-07-23 | 南京理工大学 | Ku wave band three-channel receiving and transmitting assembly |
| CN114325620A (en) * | 2021-12-29 | 2022-04-12 | 北京振兴计量测试研究所 | A dual channel signal source |
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