CN208820778U - Radio station comprehensive tester - Google Patents
Radio station comprehensive tester Download PDFInfo
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- CN208820778U CN208820778U CN201821585357.0U CN201821585357U CN208820778U CN 208820778 U CN208820778 U CN 208820778U CN 201821585357 U CN201821585357 U CN 201821585357U CN 208820778 U CN208820778 U CN 208820778U
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Abstract
The utility model discloses a kind of radio station comprehensive testers, it is characterised in that: including host, and the transceiver module, baseband processing module, low frequency processing board and the Communication Card that are separately connected with host；The transceiver module for radio-frequency channel to be divided into two duplex channels, and realizes the conversion between radiofrequency signal and intermediate-freuqncy signal；The baseband processing module demodulates audio signal, and carry out audio analysis and output to the audio signal of demodulation for the modulation of receiver test and the demodulation of sender test；The low frequency handles board, for the power detecting in radio station and control box, carries out Current Voltage acquisition；And signal is provided for instrument connection；The Communication Card, for testing radio communication.The utility model integrates a variety of radio station's test functions, easy to use, and all parameters of radio station can directly be tested by not needing other instruments, to the automatic test of airborne short-wave radio set all properties parameter and manual test.
Description
Technical field
The utility model relates to a kind of radio station test device, especially a kind of radio station comprehensive tester.
Background technique
Army with " information dominance " be principle informatization in, with wireless telecom equipments such as shortwave and ultrashort wave radio sets
Centered on communication system constitute core information switching plane, the validity of communication equipment is that system is correct, steady operation
Important leverage ensures that the important means of its validity is the detection and test of equipment.
Radio station detection at present relies primarily on various discrete measuring instrument with test and carries out artificial pointwise test,
Or tested by the test macro that traditional instrument is built into, but be different from ATS Auto-Test System, it needs a large amount of artificial
Intervene.The test of traditional station is as shown in Figure 1, wherein when measuring the electrical property of broadcasting station transmitter, conventional test methodologies need
Use the instrument and meters such as audio signal source, spectrum analyzer, radio frequency power meter, rf frequency meter and frequency deviation meter；Measurement radio station connects
When the electrical property of receipts machine, conventional test methodologies are needed using radio-frequency signal generator, voltmeter, audio-frequency meter, oscillograph, mistake
True degree instrument, letter receive the instrument and meters such as table and modulation degree instrument.
Test process needs a variety of distinct devices to cooperate, and whole operation process steps are cumbersome, and system easy to increase is missed
Difference and random error.Therefore, it is necessary to a kind of electronics for having multifunctional testing ability, integrating various measuring instrument instrument functions to set
It is standby to simplify radio station technique index test.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing a kind of comprehensive survey of radio station
Instrument is tried, provides working power and input/output for radio station host and matched interphone, control box, indicator
Radiofrequency signal meets the function in radio station, the comprehensive detection of major parameter；Integrated RF signal generator, audio signal generate
Device, higher frequency meter, audio-frequency meter, high frequency power/decibel meter, audio/D.C. voltmeter, modulation meter, frequency deviation meter, noise
Than meter, distortion factor meter function.
The technical solution adopted in the utility model is as follows:
The utility model radio station comprehensive tester, including host, and connect with host transceiver module, base band
Processing module, low frequency processing board and Communication Card；
The transceiver module, for realizing the conversion between radiofrequency signal and intermediate-freuqncy signal；
The baseband processing module for the modulation and demodulation that receiver and sender are tested, and is believed the audio of demodulation
Number carry out audio analysis and output；
The low frequency handles board, for the power detecting in radio station and control box, carries out Current Voltage acquisition；
And signal is provided for instrument connection；
The Communication Card, for testing radio communication.
Preferably, the host includes cabinet, it is equipped with industrial personal computer in cabinet, industrial personal computer is separately connected power supply media board, square
Battle array switch, bus board, bus backplane, temperature control system, display and keyboard and mouse.
Preferably, the bus backplane includes: power bus and communication bus；The power bus is separately connected power supply
Module and power control switch, power control switch connect power supply and 2 road RS422 sockets, power supply and 2 road RS422 sockets difference
Connect high frequency board and low frequency board；The communication bus connection power supply and 2 road RS422 sockets；The electricity being connect with low frequency board
16X4 low frequency matrices switch is also connected on source and 2 road RS422 sockets, 16X4 low frequency matrices switch is separately connected instrument connection and driving
Control module, drive control module connect CPU module, and CPU module is separately connected power switch driving and control module, Yi Jitong
Interrogate module；The communication bus is also respectively connected 2 road RS232 and turns RS422 module and power module.
Preferably, the matrix switch includes high frequency matrix switch and low frequency matrices switch；The high frequency matrix switch,
For controlling high frequency board；The low frequency matrices switch, for controlling low frequency board；The bus board include 1553B and
RINC429。
Preferably, the transceiver module include low-pass filter LPF, high intermediate-frequency filter BPF1 and power amplifier,
Intermediate-frequency filter BPF2, the first local oscillator, the second local oscillator, frequency mixer, numerical-control attenuator, two RF switches, 0-30MHz radio frequency are logical
Road, the radio-frequency channel 30-500MHz and power circuit；
RF signal enters numerical-control attenuator by level detection, enters RF switch, RF switch by numerical-control attenuator
Two terminals be separately connected the radio-frequency channel 0-30MHz and the radio-frequency channel 30-500MHz one end；The radio-frequency channel 0-30MHz and 30-
The radio-frequency channel the 500MHz other end is also connected with another RF switch；Low-pass filter is sequentially connected between two RF switches
LPF, frequency converter, high intermediate-frequency filter BPF1 and power amplifier, intermediate-frequency filter BPF2；First is also connected on frequency converter
Vibration, the first local oscillator are connect with microprocessor, and microprocessor connects high intermediate-frequency filter BPF1 and power amplifier；The first
Vibration is using the oscillator for integrating PLL and VCO；Second local oscillator uses local vibration source；The frequency mixer is mixed using bidirectional passive
Device.
Preferably, the low-pass filter LPF includes the inductance L5, capacitor C34, capacitor C35, capacitor being sequentially connected in series
C36 and inductance L9；Parallel connection L6 and C40, C40 are grounded C34 respectively, L6 series connection L7, L7 series connection L8；C35 difference parallel connection L7 and C37,
C37 ground connection；Parallel connection L8 and C38, C38 ground connection, C36 are also in series with C39 to C36 respectively.
Preferably, the power circuit includes DC-DC voltage conversion circuit and LDO decompression processing circuit；The DC-DC
Voltage conversion circuit includes DC-DC converter, is respectively equipped with filter capacitor on the input and output side of DC-DC converter；It is described
It includes low dropout voltage regulator that LDO, which is depressured processing circuit, is respectively equipped with filter capacitor on the input and output side of low dropout voltage regulator.
Preferably, the baseband processing module includes: signal modulation circuit, signal demodulation and audio sample circuit and sound
Frequency source signal；
The signal modulation circuit includes DDS chip, the signal modulation for receiver；
The signal demodulation and audio sample circuit include ADC, FPGA and microprocessor；Intermediate-freuqncy signal and audio signal point
Not Jing Guo signal condition sequentially enter ADC, FPGA, from microprocessor export；The letter for exporting radio station for sender
It number is demodulated, while carrying out the acquisition, measurement and analysis of audio signal.
Preferably, the low frequency processing board includes: converter and microprocessor；The converter is for acquiring
Electric current, voltage, converter are connected by DOUT, SCLK, CS, DIN, SSTRB and micro process.
Preferably, the Communication Card includes: 1553B interface, Ethernet interface, ARINC429 interface and USB communication
Interface；The 1553B interface is received and dispatched using Hi-1573PSIF chip；The Ethernet interface is used with the only of SPI interface
Vertical ethernet controller；The ARINC429 interface uses HS3282 and HS3182 chip.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are: in prior art phase
Than, the utility model radio station comprehensive tester integrates a variety of radio station's test functions, and it is easy to use, do not need other
Instrument can directly test all parameters of radio station, to the automatic test of airborne short-wave radio set all properties parameter and hand
Dynamic test.
Detailed description of the invention
Fig. 1 is traditional station test system and test scene.
Fig. 2 is the test scene of the utility model radio station comprehensive tester.
Fig. 3 is the structural schematic diagram of the utility model radio station comprehensive tester.
Fig. 4 is the structural schematic diagram of bus backplane.
Fig. 5 is the structural schematic diagram of transceiver module.
Fig. 6 is the structural schematic diagram of low-pass filter.
Fig. 7 is DC-DC voltage conversion circuit figure.
Fig. 8 is LDO decompression processing circuit figure.
Fig. 9 is low frequency processing board circuit diagram.
Figure 10 is ARINC429 interface circuit figure.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Fig. 2, radio station and radio station are detected in the test of the utility model radio station comprehensive tester
Communication between instrument, radiofrequency signal: tester radio frequency mouth uses general-purpose interface mode, can directly pass through radio shielding cable connection
Radio antenna interface, and it is furnished with dedicated 30dB/50W attenuator, absorb extra RF energy；Audio signal: tester audio connects
Mouth uses radio station matched interfaces, directly carries out audio interface with radio station and docks, including control signalling (PTT), sound in radio station
Frequency input and output signal；Tester load is also connected on the detector of radio station.
As shown in figure 3, the utility model radio station comprehensive tester, including host, and the receipts being connect with host
Send out module, baseband processing module, low frequency processing board and Communication Card；
The transceiver module, for realizing the conversion between radiofrequency signal and intermediate-freuqncy signal；
The baseband processing module for the modulation and demodulation that receiver and sender are tested, and is believed the audio of demodulation
Number carry out audio analysis and output；
The low frequency handles board, for the power detecting in radio station and control box, carries out Current Voltage acquisition；
And signal is provided for instrument connection；
The Communication Card, for testing radio communication.
In embodiment, the host includes cabinet, and cabinet uses standard 6U cabinet, is equipped with industrial personal computer, industry control in cabinet
Machine is separately connected power supply media board, matrix switch, bus board, bus backplane, temperature control system, display and keyboard and mouse；Wherein,
Temperature control system is existing conventional cabinet temperature control system；Chassis design has 2 fans, the heat dissipation of one-in-and-one-out, predominantly industrial personal computer；
Industrial personal computer uses the fan-free Series Industrial tablet computer of TPC-084-N2800-6COM.
As shown in figure 4, bus backplane is the bus run for connecting all functional cards, comprising: power bus and communication are total
Line；The power bus is separately connected power module and power control switch, and power control switch connects power supply and 2 road RS422
Socket, power supply and 2 road RS422 sockets are separately connected high frequency board and low frequency board；The communication bus connection power supply and 2 tunnels
RS422 socket；16X4 low frequency matrices switch, 16X4 low frequency are also connected on the power supply and 2 road RS422 sockets connecting with low frequency board
Matrix switch is separately connected instrument connection and drive control module, and drive control module connects CPU module, and CPU module is separately connected
Power switch driving and control module and communication module；The communication bus is also respectively connected 2 road RS232 and turns RS422 mould
Block and power module.
Bus backplane is accessed through the power supply (preventing from powering simultaneously) of power supply adaptor, 27V power supply be converted into 5V with
3.3V is used for control logic, and the power supply and 27V power supply of other specifications are all linked on the power bus of backboard；Power bus is logical
After crossing CMOS tube switch, it can control and power to each board；Backboard by being converted into RS422, meets 2 road RS232 of industrial personal computer
Enter backboard data/address bus, meets and communicated between board and industrial personal computer；Signal is tested for low frequency board to switch by low frequency matrices
Connection, is connected into front panel instrument connection；Bus backplane design has CPU, is mainly used for controlling the power switch of each board power supply,
CPU carries out data exchange with industrial personal computer by RS232 communication.
In embodiment, the matrix switch includes high frequency matrix switch and low frequency matrices switch；The high frequency matrix is opened
It closes, for controlling high frequency board；The low frequency matrices switch, for controlling low frequency board；High frequency matrix switch is designed as 12 tunnels
Enter, the mode that 3 tunnels go out, higher frequency covers the frequency range of all high frequency boards, and all couplings use N-type head, using RS232
Protocol mode, power supply are ± 12V, and power is less than 3W；Low frequency matrices switch designs are that 16 tunnels enter, the mode that 4 tunnels go out,
Using RS232 protocol mode, power supply is ± 12V, and power requirement is less than 3W；The bus board include 1553B and
RINC429。
As shown in figure 5, the transceiver module include low-pass filter LPF, high intermediate-frequency filter BPF1 and power amplifier,
Intermediate-frequency filter BPF2, the first local oscillator, the second local oscillator, frequency mixer, numerical-control attenuator, two RF switches, 0-30MHz radio frequency are logical
Road, the radio-frequency channel 30-500MHz and power circuit；
Signal enters numerical-control attenuator by level detection, enters RF switch by numerical-control attenuator, RF switch
Two terminals are separately connected the radio-frequency channel 0-30MHz and the radio-frequency channel 30-500MHz one end；The radio-frequency channel 0-30MHz and 30-
The radio-frequency channel the 500MHz other end is also connected with another RF switch；Two RF switches are sequentially connected low-pass filter LPF, become
Frequency device, high intermediate-frequency filter BPF1 and power amplifier, intermediate-frequency filter BPF2；It is also connected with the first local oscillator on frequency converter, first
Local oscillator is connect with microprocessor, and microprocessor connects high intermediate-frequency filter BPF1 and power amplifier.
As shown in fig. 6, the low-pass filter LPF: including the inductance L5, capacitor C34, capacitor C35, capacitor being sequentially connected in series
C36 and inductance L9；Parallel connection L6 and C40, C40 are grounded C34 respectively, L6 series connection L7, L7 series connection L8；C35 difference parallel connection L7 and C37,
C37 ground connection；Parallel connection L8 and C38, C38 ground connection, C36 are also in series with C39 to C36 respectively；
The high intermediate-frequency filter BPF1 and power amplifier: using high intermediate-frequency filter, obtains pure high intermediate frequency letter
Number；Power amplifier: channel 0dB gain is kept；
The intermediate-frequency filter BPF2: intermediate-frequency filter is used, pure intermediate-freuqncy signal is obtained；
First local oscillator is using the oscillator for integrating PLL and VCO；
Second local oscillator uses local vibration source；
The frequency mixer uses bidirectional passive frequency mixer.
The numerical-control attenuator: when testing radio station receiver sensitivity, the attenuation greater than 130dB is needed；
The RF switch: when test broadcasting station transmitter or radio station receiver, need for radio frequency path to be switched to radio station hair
Machine access or radio station receiver access are penetrated, and when the frequency for testing broadcasting station transmitter or radio station receiver is lower than 30MHz, is needed
Radio frequency path is switched to 0 ~ 30MHz access, is otherwise switched to the channel 30 ~ 500MHz；
Radio frequency path is divided into two duplex channels: the radio-frequency channel 0 ~ 30MHz by the transceiver module: when transmit or collect mail 0 ~
This channel is selected when 30MHz radiofrequency signal, realizes the input processing to industrial control host；The radio-frequency channel 30 ~ 500MHz: when transmitting or
This channel is selected when 30 ~ 500MHz radiofrequency signal of collecting mail, when as receiver, by the radio frequency of 30 ~ 500MHz of radio station transmitting
Signal transforms to the intermediate-freuqncy signal of 21.4MHz；When as sender, the intermediate frequency source signal of 21.4MHz is transformed to 30 ~
The radiofrequency signal of 500MHz；Realize the input processing to industrial control host.
The power circuit includes DC-DC voltage conversion circuit and LDO decompression processing circuit；As shown in fig. 7, the DC-
D/C voltage translation circuit includes DC-DC converter, be respectively equipped on the input and output side of DC-DC converter filter capacitor C11,
C8 and C12 and C9；As shown in figure 8, the LDO decompression processing circuit includes low dropout voltage regulator LM1117, low pressure drop pressure stabilizing
Filter capacitor C1-C6 is respectively equipped on the input and output side of device；By DC-DC voltage conversion circuit ,+27V voltage is converted
For+12V ,+12V is equally converted into+5V voltage；+ 12V will provide power supply for operational amplifier, and+5V is then microprocessor, number
Mode converter, level translator provide power supply；+ 3.3V ,+2.5V voltage are that+5V voltage is depressured processing circuit by LDO to obtain
, the power supply of+3.3V ,+2.5V as FPGA processor can obtain cleaner power supply using LDO decompression processing circuit.
In the present embodiment, the baseband processing module includes: signal modulation circuit, signal demodulation and audio sample circuit
And audio signal source；
The signal modulation circuit includes DDS chip, and DDS chip under control of the microprocessor, is modulated, output
21.4MHz intermediate-freuqncy signal；When radio station receiver is tested, the generation of intermediate frequency source signal uses DDS chip, passes through digitlization
Programming can export frequency, phase, amplitude and the programmable sinusoidal and cosine signal of high stable, combine these attributes in single letter
SSB, FM, AM, PM may be implemented under number mode, the operation such as FSK, PSK and ASK meets receiver test demand；In the present embodiment
Using AD9854 digital synthesizer, as DDS chip；
The signal demodulation and audio sample circuit include ADC, FPGA and microprocessor；Intermediate-freuqncy signal and audio signal point
Not Jing Guo signal condition sequentially enter ADC, digitized processing is carried out, using FPGA and microprocessor demodulation output；Equally
The sampling of audio input signal can be carried out, and carries out the measurement and analysis of audio；FPGA uses XC2S200- in the present embodiment
208, ADC use AD6644 chip, and microprocessor uses GD32F103-6-4.
Baseband processing module includes
Modulation: the receiver for radio station is tested, and realizes SSB, FM, AM, PM, the modulation such as FSK, PSK and ASK behaviour
Make；0 ~ 30MHz radiofrequency signal or the intermediate-freuqncy signal of 21.4MHz are exported, GPC8330A transceiver module is sent, meets radio station receiver
(receiver) testing requirement realizes the input processing to industrial control host；
Demodulation: the sender for radio station is tested, and realizes SSB, FM, AM, PM, the demodulation such as FSK, PSK and ASK behaviour
Make, receives 0 ~ 30MHz radiofrequency signal of GPC8330A transceiver module output or intermediate-freuqncy signal and the demodulation of 21.4MHz, output solution
Adjust audio signal or data-signal；
Audio analysis: A/D after the audio signal of demodulation is improved send module central processor FFT to handle, and realizes audio point
Function is analysed, processing result is finally output to industrial control host；
Audio output: the D/A output of central processing unit is straight through signal condition output audio signal or by central processing unit
Output serial data signal is connect, is used for test broadcasting station transmitter.
As described in Figure 9, low frequency processing board includes: converter and microprocessor；The converter is for acquiring electricity
Stream, voltage, converter are connected by DOUT, SCLK, CS, DIN, SSTRB and micro process；
Mainly complete pair of stations and the power detecting for controlling box, including size of current, voltage are big for the low frequency processing board
Small and accuracy test；The AD that electric current, voltage acquisition use selects the serial 16 Bits Serial high-precision AD converters of MAX1300.
Communication Card includes: 1553B interface, Ethernet interface, ARINC429 interface and USB communication interface；The 1553B
Interface is received and dispatched using Hi-1573PSIF chip, and chip is the level conversion function of completing signal, not to agreement at
Reason, agreement transfer to CPU to be handled；The Ethernet interface uses the independent ethernet controller with SPI interface；It is described
ARINC429 interface uses HS3282 and HS3182 chip.
When being interacted due to detector with other, a large amount of test data of high-speed transfer is generally required, ether can be used
Netcom news mode come realize this high speed, big flow data transmission, Ethernet chip use the independence with SPI interface
Ethernet controller ENC28J60.
As shown in Figure 10, ARINC429 is received is built using HS3282 and HS3182 chip, and circuit completes data buffer storage,
The conversion of serial/parallel, parallel/serial conversion and internal system logical signal and ARINC429 differential signal；HS-3282 is that formal difference is defeated
Out, for the information to be sent being changed into the level for meeting ARINC429 transmission specification, it is connected with driving chip HS-3182
Capacitor is used to improve the rising edge and failing edge of output data.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. radio station comprehensive tester, it is characterised in that: including host, and be separately connected with host transceiver module,
Baseband processing module, low frequency processing board and Communication Card；
The transceiver module for radio-frequency channel to be divided into two duplex channels, and is realized between radiofrequency signal and intermediate-freuqncy signal
Conversion；
The baseband processing module demodulates audio letter for the modulation of receiver test and the demodulation of sender test
Number, and audio analysis and output are carried out to the audio signal of demodulation；
The low frequency handles board, for the power detecting in radio station and control box, carries out Current Voltage acquisition；And it is mentioned for instrument connection
For signal；
The Communication Card, for testing radio communication.
2. radio station comprehensive tester as described in claim 1, it is characterised in that: the host includes cabinet, cabinet
It is interior to be equipped with industrial personal computer, and the power supply media board, matrix switch, bus board, the bus backplane, temperature control system that are separately connected with industrial personal computer
System, display and keyboard and mouse.
3. radio station comprehensive tester as claimed in claim 2, it is characterised in that: the bus backplane includes: power supply
Bus and communication bus；The power bus is separately connected power module and power control switch, power control switch connection electricity
Source and socket communication, power supply and socket communication are separately connected high frequency board and low frequency board；Communication bus connection power supply and
Socket communication；16X4 low frequency matrices switch, 16X4 low frequency matrices are also connected on the power supply and socket communication connecting with low frequency board
Switch is separately connected instrument connection and drive control module, and drive control module connects CPU module, and CPU module is separately connected power supply
Switch driving and control module and communication module；The communication bus be also respectively connected 2 road RS232 turn RS422 module and
Power module；2 road RS232 turn RS422 module and communication module respectively with industrial computer communication.
4. radio station comprehensive tester as claimed in claim 2, it is characterised in that: the matrix switch includes high frequency square
Battle array switch and low frequency matrices switch；The high frequency matrix switch is connect with high frequency board；The low frequency matrices switch and low frequency plate
Card connection；The bus board includes 1553B and RINC429.
5. radio station comprehensive tester as described in claim 1, it is characterised in that: the transceiver module includes low pass filtered
Wave device LPF, high intermediate-frequency filter BPF1 and amplifier, intermediate-frequency filter BPF2, the first local oscillator, the second local oscillator, frequency mixer, numerical control
Attenuator, RF switch, the channel 0-30MHz, the channel 30-500MHz and power circuit；
Signal enters numerical-control attenuator by level detection, enters RF switch by numerical-control attenuator, and two of RF switch
Terminal is separately connected the channel 0-30MHz and the one end of the channel 30-500MHz；The channel 0-30MHz and the channel the 30-500MHz other end are also
Connect another RF switch；Low-pass filter LPF, the first frequency mixer, high intermediate frequency are also sequentially connected between two RF switches
Filter BPF1 and amplifier, the second frequency mixer, intermediate-frequency filter BPF2；It is also connected with the first local oscillator on first frequency mixer, second
The second local oscillator is connected on frequency mixer, the first local oscillator and the second local oscillator are connect with microprocessor respectively, and microprocessor connects high intermediate frequency
Filter BPF1 and amplifier；First local oscillator is using the oscillator for integrating PLL and VCO；Second local oscillator uses local oscillator
Source；The frequency mixer uses bidirectional passive frequency mixer.
6. radio station comprehensive tester as claimed in claim 5, it is characterised in that: the low-pass filter LPF includes
Inductance L5, capacitor C34, capacitor C35, capacitor C36 and the inductance L9 being sequentially connected in series；Parallel connection L6 and C40, C40 are grounded C34 respectively,
L6 series connection L7, L7 series connection L8；Parallel connection L7 and C37, C37 are grounded C35 respectively；Parallel connection L8 and C38, C38 are grounded C36 respectively, and C36 is also
It is in series with C39.
7. radio station comprehensive tester as claimed in claim 5, it is characterised in that: the power circuit includes DC-DC
Voltage conversion circuit and LDO are depressured processing circuit；The DC-DC voltage conversion circuit includes DC-DC converter, DC-DC conversion
Filter capacitor is respectively equipped on the input and output side of device；The LDO decompression processing circuit includes low dropout voltage regulator, low pressure drop
Filter capacitor is respectively equipped on the input and output side of voltage-stablizer.
8. radio station comprehensive tester as described in claim 1, it is characterised in that: the baseband processing module includes:
Signal modulation circuit, signal demodulation and audio sample circuit and audio signal source；
The signal modulation circuit includes DDS chip, the signal modulation for receiver；
The signal demodulation and audio sample circuit include ADC, FPGA and microprocessor；Intermediate-freuqncy signal and audio signal pass through respectively
It crosses signal condition and sequentially enters ADC, FPGA, exported from microprocessor；Signal radio station exported for sender into
Row demodulation, while carrying out the acquisition, measurement and analysis of audio signal.
9. radio station comprehensive tester as described in claim 1, it is characterised in that: the low frequency handles board and includes:
Converter and microprocessor；For acquiring electric current, voltage, converter is connect the converter with microprocessor.
10. radio station comprehensive tester as described in claim 1, it is characterised in that: the Communication Card includes:
1553B interface, Ethernet interface, ARINC429 interface and USB communication interface；The 1553B interface uses Hi-1573PSIF core
Piece is received and dispatched；The Ethernet interface uses the independent ethernet controller with SPI interface；The ARINC429 interface uses
HS3282 and HS3182 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585357.0U CN208820778U (en) | 2018-09-28 | 2018-09-28 | Radio station comprehensive tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585357.0U CN208820778U (en) | 2018-09-28 | 2018-09-28 | Radio station comprehensive tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820778U true CN208820778U (en) | 2019-05-03 |
Family
ID=66278716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585357.0U Active CN208820778U (en) | 2018-09-28 | 2018-09-28 | Radio station comprehensive tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN208820778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
| CN113259021A (en) * | 2021-04-30 | 2021-08-13 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Automatic receiving and dispatching testing device for portable aviation radio station |
| CN113644997A (en) * | 2021-10-14 | 2021-11-12 | 中国民用航空总局第二研究所 | Electromagnetic environment detection method, device and system |
-
2018
- 2018-09-28 CN CN201821585357.0U patent/CN208820778U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448777A (en) * | 2019-09-05 | 2021-03-05 | 福建灵信信息科技有限公司 | Multifunctional wireless signal detection method |
| CN113259021A (en) * | 2021-04-30 | 2021-08-13 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Automatic receiving and dispatching testing device for portable aviation radio station |
| CN113644997A (en) * | 2021-10-14 | 2021-11-12 | 中国民用航空总局第二研究所 | Electromagnetic environment detection method, device and system |
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