CN213342226U - Work conversion testing device of radio frequency module - Google Patents
Work conversion testing device of radio frequency module Download PDFInfo
- Publication number
- CN213342226U CN213342226U CN202022791250.5U CN202022791250U CN213342226U CN 213342226 U CN213342226 U CN 213342226U CN 202022791250 U CN202022791250 U CN 202022791250U CN 213342226 U CN213342226 U CN 213342226U
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- module
- serial bus
- switching unit
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model discloses a work conversion testing device of a radio frequency module, which comprises a shell, wherein a plurality of isolated testing modules are arranged in the shell, and each testing module is connected with a testing platform, a power supply module and a radio frequency signal source; the testing module comprises a radio frequency signal path switching unit, a synchronous serial bus channel switching unit, a power supply switching unit and a digital intermediate frequency channel switching unit connected with the testing platform, wherein the radio frequency signal path switching unit, the synchronous serial bus channel switching unit and the power supply switching unit are connected with the radio frequency module to be tested and used for testing the excitation/receiving module, and the switching and testing of each radio frequency module to be tested under the working state of high frequency, high speed, high temperature and long time can be realized, so that the quality and stability of the radio frequency module are ensured, the resource is saved to the maximum extent by using the existing testing platform, the testing of a plurality of excitation/receiving modules is met, and the batch production is realized.
Description
Technical Field
The utility model relates to an electronic signal handles technical field, especially relates to a radio frequency module's work conversion testing arrangement.
Background
With the development of communication technology, high-frequency, high-speed and switching technology has been widely applied, wherein a radio frequency module is the most important component of a wireless transmitting device, performance testing is required before delivery, for convenience of use, the existing radio frequency module is supplied in a modularized manner, and is not supplied in a complete machine manner, and the radio frequency module needs to be connected with other control systems, display systems and the like of an airplane avionics system to realize functions of control, testing, display and the like.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect or not enough, an object of the utility model is to provide a radio frequency module's work conversion testing arrangement.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a work conversion testing device of a radio frequency module comprises a shell, wherein a plurality of isolated testing modules are arranged in the shell, and each testing module is connected with a testing platform, a power supply module and a radio frequency signal source; the testing module comprises a radio frequency signal path switching unit, a synchronous serial bus channel switching unit, a power supply switching unit and a digital intermediate frequency channel switching unit connected with the testing platform, wherein the radio frequency signal path switching unit, the synchronous serial bus channel switching unit, the power supply switching unit and the digital intermediate frequency channel switching unit are connected with the radio frequency module to be tested.
The radio frequency signal path switching unit is provided with 7 radio frequency paths, and the 7 radio frequency paths include: signal source clock 100MHz, signal source revenue, spectrometer, ICNI digital intermediate frequency input DATA _ R +, ICNI digital intermediate frequency input DATA _ R-, ICNI digital intermediate frequency output DATA _ T +, ICNI digital intermediate frequency output DATA _ T-.
And 4 double-pole double-position radio frequency relays are arranged between the radio frequency module to be tested and the radio frequency signal channel switching unit, and 7 radio frequency channels are switched through the radio frequency relays.
The synchronous serial bus channel switching unit is 8 serial bus channels, and the 8 serial bus channels include: the tester inputs the data of the synchronous serial bus, inputs the data of the serial bus, receives the clock of the synchronous serial bus, receives the clock of the serial bus, outputs the data of the synchronous serial bus, outputs the data of the serial bus, sends the clock of the synchronous serial bus and sends the clock of the serial bus.
2 six-blade double-position direct current electromagnetic relays are arranged between the radio frequency module to be tested and the synchronous serial bus channel switching unit, and 8 serial bus channels are switched through the direct current electromagnetic relays.
The power module comprises a power supply 28V and a digital 5V power supply which can be switched.
The casing is internally provided with a plurality of baffles, the baffles divide the inside of the casing into a plurality of areas, each area is provided with a test module, and the outside of the casing is provided with a button and a connector which are communicated with the test module.
The number of the test modules is five.
The test platform is an ICNI test platform.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a radio frequency module's work conversion testing arrangement, a test for excitation/receiving module, divide the tester into radio frequency channel switching part, serial data channel switching part, power switching part and casing part, can be to the radio frequency module that individual examination awaits measuring at high frequency high speed, high temperature, switching and test under the long-time operating condition, the quality and the stability of radio frequency module have been guaranteed, use current test platform, accomplish maximum resources are saved, satisfy a plurality of excitation/receiving module's test simultaneously, batch production has been realized.
Drawings
Fig. 1 is a block diagram of the structure of the work conversion testing device of the radio frequency module of the present invention;
fig. 2 is a general block diagram of the operation conversion testing device of the radio frequency module of the present invention;
fig. 3 is a first working principle diagram of the radio frequency high-speed signal switching control of the working switching test device of the radio frequency module of the present invention;
fig. 4 is a second working principle diagram of the rf high-frequency high-speed signal switching control of the working switching test device of the rf module of the present invention;
fig. 5 is a third schematic diagram of the working principle of the radio frequency signal switching control of the working switching test device of the radio frequency module of the present invention;
fig. 6 is a working principle diagram of the radio frequency signal switching control of the working switching test device of the radio frequency module of the present invention;
fig. 7 is a working principle diagram of the synchronous serial bus channel switching control of the working switching test device of the radio frequency module of the present invention;
fig. 8 is an overall structure diagram of the working conversion testing device of the radio frequency module of the present invention;
fig. 9 is a structural diagram of the casing of the work conversion testing device of the rf module of the present invention.
Detailed Description
The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the present invention provides a work conversion testing apparatus for a radio frequency module, which includes a housing 1, wherein a plurality of isolated testing modules 2 are disposed in the housing 1, and each testing module 2 is connected to a testing platform 3, a power supply module 5, and a radio frequency signal source 6; the test module comprises a radio frequency signal path switching unit 21, a synchronous serial bus channel switching unit 22, a power supply switching unit 23, a digital intermediate frequency channel switching unit 24 and is connected with the test platform 3, and the radio frequency signal path switching unit 21, the synchronous serial bus channel switching unit 22, the power supply switching unit 23 and the digital intermediate frequency channel switching unit 24 are connected with the radio frequency module 4 to be tested. The digital intermediate frequency channel switching unit 24 is configured to directly send the digital intermediate frequency signal generated by the ICNI test platform to the tested piece through switching.
Specifically, the radio frequency signal path switching unit 21 is provided with 7 radio frequency paths, where the 7 radio frequency paths include: signal source clock 100MHz, signal source revenue, spectrometer, ICNI digital intermediate frequency input DATA _ R +, ICNI digital intermediate frequency input DATA _ R-, ICNI digital intermediate frequency output DATA _ T +, ICNI digital intermediate frequency output DATA _ T-. Moreover, 4 double-pole double-position radio frequency relays are arranged between the radio frequency module to be tested 4 and the radio frequency signal channel switching unit 21, 7 radio frequency channels are switched through the radio frequency relays, and the two states are switched; one of the states is open circuit and the other state is on. Three of the display panels are double-knife double-position and one of the display panels is single-knife double-position, the display panel has the functions of keys and display, and the specific switching mode and the simple principle of radio frequency signal switching control are shown in fig. 3, 4, 5 and 6.
Specifically, the synchronous serial bus channel switching unit 22 is 8 serial bus channels, and the 8 serial bus channels include: the tester inputs the data of the synchronous serial bus, inputs the data of the serial bus, receives the clock of the synchronous serial bus, receives the clock of the serial bus, outputs the data of the synchronous serial bus, outputs the data of the serial bus, sends the clock of the synchronous serial bus, sends the clock of the serial bus, and switches between two states; one of the states is open circuit and the other state is on. 2 six-pole double-position direct current electromagnetic relays are arranged between the radio frequency module to be tested 4 and the synchronous serial bus channel switching unit 22, 8 serial bus channels are switched through the direct current electromagnetic relays, each excitation module is used for switching 8 serial buses through 2 six-pole double-position direct current electromagnetic relays, two relays are only used for switching 4 poles in double positions, and the specific switching mode and the simple switching control principle are as shown in fig. 7
Specifically, the power module 5 includes a power supply 28V and a digital 5V for two switchable power supplies, and the power supply 28V and the digital 5V for two states. The function of the radio frequency module 4 to be tested: the receiving channel receives the radio frequency signal from the short wave antenna, converts the radio frequency signal into an intermediate frequency, and completes digitization of the intermediate frequency signal; the excitation path performs A/D conversion on the digital intermediate frequency signal sent by the intermediate frequency signal processing and converts the digital intermediate frequency signal into a radio frequency signal.
Preferably, a plurality of baffles 11 are arranged in the housing 1, the baffles 11 divide the interior of the housing 1 into a plurality of areas, each area is provided with the test module 2, and the exterior of the housing 1 is provided with a button and a connecting port communicated with the test module 2.
Exemplarily, as shown in fig. 8, the present invention provides 5 sets of test modules 2, and in order to realize one-to-five operation, five sets of rf sockets BNC and micro-rectangular sockets corresponding to the front panel are installed on the rear panel of the housing 1, and are connected to the test modules 2 through cables. Preferably, as shown in fig. 9, in order to prevent electromagnetic interference of 5-channel signals, the rear partition plate is inserted between the upper and lower cover plates, and the front partition plate is inserted between the four rear partition plates, so as to divide the interior of the chassis into six regions, thereby ensuring that five modules are respectively shielded and reducing mutual interference. The interior of the shell 1 is divided into six areas by two partition plates, so that five modules are respectively shielded, and mutual interference is reduced.
The isolated test modules 2 are connected with the test platform 3 through a synchronous serial bus. The radio frequency interface adopts BNC series, the control interface adopts J30J series, the power supply interface adopts a binding post, the power-on and test indication adopts DGR-3 type light-emitting diodes, the radio frequency switching adopts a radio frequency JPT-200MA type relay (3A, 400MHz and 150W), the control switching adopts a direct current JRC-105M type (1A) electromagnetic relay, and the power supply switching adopts a JQX-20MB type power relay.
The utility model discloses have following changeable test channel: (each channel exists independently)
Testing a switching channel of a high-frequency signal source RF input of the HF receiving/exciting module; (1uV, 2 MHz-30 MHz)
Testing a switching channel of a frequency spectrograph, namely a transmitting frequency output of the HF receiving/exciting module; (5dBm +/-2 dBm, 2 MHz-30 MHz)
Testing a switching channel of a 100MHz clock channel of the HF receiving/exciting module; (50mV, 100MHz)
Testing the switching channels of 8 data lines, namely a synchronous serial bus data input (LVDS +), a synchronous serial bus data input (LVDS-), a synchronous serial bus receiving clock (LVDS +), a synchronous serial bus receiving clock (LVDS-), a synchronous serial bus data output (LVDS +), a synchronous serial bus data output (LVDS-), a synchronous serial bus generating clock (LVDS +), and a synchronous serial bus generating clock (LVDS-);
testing switching channels of the LVDS high-speed DA DATA (namely DATA R +) of the HF receiving/exciting module, the LVDS high-speed DA DATA (namely DATA R-), the LVDS high-speed AD DATA (namely DATA T +), and the LVDS high-speed AD DATA (namely DATA T-);
and testing the switching channel of the power supply of the HF receiving/exciting module.
The utility model discloses a function as follows:
the tester mainly completes connection of the ICNI test platform and the disposable 5 sets of test modules 2 (namely 5 sets of HF receiving/exciting modules) almost without insertion loss.
It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.
Claims (9)
1. The work conversion testing device of the radio frequency module is characterized by comprising a shell (1), wherein a plurality of isolated testing modules (2) are arranged in the shell (1), and each testing module (2) is connected with a testing platform (3), a power supply module (5) and a radio frequency signal source (6); the testing module comprises a radio frequency signal path switching unit (21), a synchronous serial bus channel switching unit (22), a power supply switching unit (23) and a digital intermediate frequency channel switching unit (24) connected with the testing platform (3), wherein the radio frequency signal path switching unit (21), the synchronous serial bus channel switching unit (22), the power supply switching unit (23) and the digital intermediate frequency channel switching unit (24) are connected with the radio frequency module (4) to be tested.
2. The operation switching test device of the rf module according to claim 1, wherein the rf signal path switching unit (21) is provided with 7 rf paths, and the 7 rf paths include: signal source clock 100MHz, signal source revenue, spectrometer, ICNI digital intermediate frequency input DATA _ R +, ICNI digital intermediate frequency input DATA _ R-, ICNI digital intermediate frequency output DATA _ T +, ICNI digital intermediate frequency output DATA _ T-.
3. The operation switching test device of the rf module according to claim 2, wherein 4 dual-pole dual-position rf relays are disposed between the rf module (4) to be tested and the rf signal path switching unit (21), and 7 rf paths are switched by the rf relays.
4. The device for testing the operation transition of a radio frequency module according to claim 1, wherein the synchronous serial bus channel switching unit (22) is 8 serial bus channels, and the 8 serial bus channels comprise: the tester inputs the data of the synchronous serial bus, inputs the data of the serial bus, receives the clock of the synchronous serial bus, receives the clock of the serial bus, outputs the data of the synchronous serial bus, outputs the data of the serial bus, sends the clock of the synchronous serial bus and sends the clock of the serial bus.
5. The operation switching test device of the rf module according to claim 4, wherein 2 six-pole two-position dc electromagnetic relays are disposed between the rf module under test (4) and the synchronous serial bus channel switching unit (22), and 8 serial bus channels are switched by the dc electromagnetic relays.
6. The device for testing the operation transition of a radio frequency module as claimed in claim 1, wherein the power module (5) comprises a power supply 28V and a digital 5V switchable power supply.
7. The operation switching test device of the radio frequency module according to claim 1, wherein a plurality of baffles (11) are arranged in the housing (1), the baffles (11) divide the interior of the housing (1) into a plurality of regions, each region is provided with the test module (2), and the exterior of the housing (1) is provided with a button and a connector communicated with the test module (2).
8. The device for testing the operation transition of a radio frequency module as claimed in any of claims 1 to 7, wherein the number of test modules (2) is five.
9. The device for operation transition test of a radio frequency module according to claim 8, characterized in that the test platform (3) is an ICNI test platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791250.5U CN213342226U (en) | 2020-11-27 | 2020-11-27 | Work conversion testing device of radio frequency module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022791250.5U CN213342226U (en) | 2020-11-27 | 2020-11-27 | Work conversion testing device of radio frequency module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213342226U true CN213342226U (en) | 2021-06-01 |
Family
ID=76078856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022791250.5U Active CN213342226U (en) | 2020-11-27 | 2020-11-27 | Work conversion testing device of radio frequency module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213342226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866540A (en) * | 2021-09-26 | 2021-12-31 | 成都仕芯半导体有限公司 | Radio frequency device test method and device |
-
2020
- 2020-11-27 CN CN202022791250.5U patent/CN213342226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866540A (en) * | 2021-09-26 | 2021-12-31 | 成都仕芯半导体有限公司 | Radio frequency device test method and device |
| CN113866540B (en) * | 2021-09-26 | 2024-05-03 | 成都仕芯半导体有限公司 | Radio frequency device test method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103678212B (en) | Based on the general-purpose interface detection device of VPX framework | |
| CN213342226U (en) | Work conversion testing device of radio frequency module | |
| CN101141205B (en) | TD-SCDMA radio frequency index testing system and method | |
| CN102724007A (en) | Test method and test device of communication terminals | |
| CN114050879A (en) | Radio frequency high-speed switching control circuit and device | |
| CN113556126A (en) | High speed analog to digital converter module | |
| CN213210263U (en) | Oscilloscope probe switching device | |
| CN218473178U (en) | Automatic testing device for telemetering assembly | |
| CN116430752A (en) | Software-defined electric comprehensive integrated simulation platform | |
| CN114995235A (en) | Multi-functional general baseband processing apparatus of frequency agility based on ZYNQ | |
| CN111240401B (en) | Multi-channel clock generating device | |
| CN108375759B (en) | High-integration-level line source automatic testing device and testing method | |
| CN215300625U (en) | MIMO wireless transceiving system based on agile frequency transceiver | |
| CN213879833U (en) | Ultrashort wave test system | |
| CN212183512U (en) | Network information acquisition equipment | |
| CN110729969A (en) | Frequency conversion assembly | |
| CN220139543U (en) | Digital receiving sampling system without intermediate frequency coaxial cable | |
| CN218387509U (en) | Radio frequency signal comprehensive test module based on PXIe bus | |
| CN220671620U (en) | Data acquisition platform | |
| CN211830763U (en) | Radio frequency front-end circuit and electronic equipment | |
| CN218301374U (en) | Frequency agility high-purity signal generator based on DDS technology | |
| CN218183356U (en) | Modular radio frequency performance test equipment | |
| CN216979758U (en) | Multimode communication microsystem and equipment | |
| CN217363089U (en) | Chip verification device | |
| CN217063747U (en) | Test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |