CN205039825U - Termination of radio frequency module test system - Google Patents
Termination of radio frequency module test system Download PDFInfo
- Publication number
- CN205039825U CN205039825U CN201520701129.5U CN201520701129U CN205039825U CN 205039825 U CN205039825 U CN 205039825U CN 201520701129 U CN201520701129 U CN 201520701129U CN 205039825 U CN205039825 U CN 205039825U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- combiner device
- terminal
- combiner
- input waveguide
- 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
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a termination of radio frequency module test system, including dividing the combiner and dividing combiner input waveguide, divide the combiner including closing terminal and the branch terminal more than 2, the quantity of dividing combiner input waveguide with divide the quantity of terminal to equal, the terminal connection with the branch terminal that corresponds that divides combiner input waveguide, divide the head end of combiner input waveguide to be used for being connected with equipment under test. Compared with the prior art, the utility model discloses a divide the combiner to be equipped with the branch terminal more than 2, can realize once the wiring of the equipment under test more than 2, carry out automatic sequential testing to the equipment under test more than 2 through automatic test system, improved efficiency of software testing greatly, it is unified customized according to the quantity and the distribution position of minute terminal to divide the combiner to import the waveguide, does not need to import the waveguide for every equipment under test sets the branch combiner alone, has improved the commonality of dividing the combiner to import the waveguide, has reduced test cost and test error.
Description
Technical field
The utility model belongs to satellite communication test technical field, is specifically related to a kind of termination of radio-frequency module test macro.
Background technology
Along with communication technology of satellite, particularly millimeter wave frequency band communication technology of satellite extensively uses at military, civil area, and the demand as millimeter wave frequency band (comprising Ku, Ka, EHF frequency range) radio-frequency module (comprising transmitter, receiver or integrated transceiver) of key modules in satellite communication earth station increases day by day.
Before microwave communication equipment dispatches from the factory, needing the performance of radio frequency module to test, the connection that what Fig. 1 described is when testing millimeter-wave transmitter in prior art, in production in enormous quantities, there is following defect in this mode of connection:
(1) the test wiring of radio-frequency module once only tests an equipment, and detection efficiency is low, and productivity effect is low.
(2) in low-temperature test, test fixture dismounting is inconvenient; Owing to being easily mixed into steam in waveguide cavity during dismounting waveguide fixture, cause waveguide directs performance change, even damage fixture or equipment; And radio frequency cable Insertion Loss under high/low temperature changes greatly, thus cause test result inaccurate.If each equipment of participating in the experiment is equipped with a radio frequency cable or flexible waveguide, then high cost, and require that high-low temperature chamber opening diameter is comparatively large, and the management of multiple delivery is more inconvenient, causes testing efficiency lower.
(3) the general amplitude-frequency response of millimeter wave frequency band test fixture is poor, each changing clamp, all needs again to demarcate calibration to clamp, causes equipment availability to reduce.
Utility model content
Main purpose of the present utility model is to solve the inefficient problem of existing radio-frequency module test system and test, a kind of termination of radio-frequency module test macro is provided, this termination can realize, once to more than 2 equipment under test wiring, making multiple stage equipment under test realize APT automatic progression testing by Auto-Test System.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of termination of radio-frequency module test macro, comprise combiner device and combiner device input waveguide, described combiner device comprises point terminal of closing terminal and more than 2, the quantity of described combiner device input waveguide is equal with the quantity of described point of terminal, the end of described combiner device input waveguide connects with a corresponding point terminal, and the head end of described combiner device input waveguide is used for being connected with equipment under test.
Compared with prior art, combiner device of the present utility model is provided with point terminal of more than 2, can realize, once to more than 2 equipment under test wiring, making multiple stage equipment under test realize APT automatic progression testing, substantially increase testing efficiency by Auto-Test System; Combiner device input waveguide is according to the quantity of point terminal and the unified customization of distributing position, do not need separately for equipment under test arranges combiner device input waveguide, improve the durability of combiner device input waveguide, what reduce testing cost and test error and experimental situation builds difficulty; Under the prerequisite of the satisfied test desired structure degree of freedom, fixture cost reduces; Easy to use and flexible in high/low temperature test, do not need to carry out dismounting in high and low temperature environment, make fixture more stable in the performance of high and low temperature environment, test data is more accurate.
Preferably, every bar combiner device input waveguide at least comprises one section of waveguide bend, and the head end of described waveguide bend is towards the outside of combiner device.Its objective is both sides equipment under test being placed on combiner device, then connect with corresponding combiner device input waveguide respectively, the test space taken can be made like this to reduce, reduce the requirement to test site space.
Preferably, described point of terminal interval is arranged in the same side of combiner device.Described point of terminal is arranged with more than 4, and every bar combiner device input waveguide at least comprises one section of waveguide bend, and the head end of described waveguide bend is towards the outside of combiner device; Close with two, combiner device edge the combiner device input waveguide that the conjunction terminal beyond terminal is connected and also comprise one section of straight wave guide, the waveguide bend of this combiner device input waveguide is connected with a corresponding point terminal by straight wave guide.By above-mentioned improvement, the equipment under test of more than 4 can be connected simultaneously; Each equipment under test is placed on the both sides of combiner device, can reduce the space tested and take while improving testing efficiency.
Preferably, also comprise extension straight wave guide, described extension straight wave guide optionally for head end and the equipment under test of connecting dividing road device input waveguide, to adjust the placement location of equipment under test.Straight wave guide is extended by configuration, the needs of equipment under test position adjustment can be met, when equipment under test need to place far away time, can be connected with the head end of combiner device input waveguide by extending straight wave guide, otherwise equipment under test is directly connected with the head end of combiner device input waveguide.
Preferably, the end of described combiner device input waveguide is connected with a corresponding point terminal by ring flange, and the head end of described combiner device input waveguide is connected with equipment under test by adpting flange; Described waveguide bend is connected by ring flange with straight wave guide.Employing ring flange connects, and make syndeton unified, joint efficiency is higher
Another object of the present utility model improves testing efficiency and the equipment availability of thermocycling.Described conjunction terminal is connected with combiner device output waveguide, and described combiner device output waveguide comprises the second waveguide bend, waveguide twist and the interlocked flexible waveguide that connect successively, and the head end of described second waveguide bend is connected with described conjunction terminal.When carrying out thermocycling, mixer is positioned in high-low temperature test chamber, interlocked flexible waveguide is drawn outside by the opening of high-low temperature test chamber, only have a combiner device output waveguide just can replace the testing scheme that prior art draws many mixer input waveguides simultaneously like this, need not frequent dismounting test fixture, reduce the number of times that fixture demarcates calibration, improve testing efficiency and equipment availability.
Preferably, the end of described interlocked flexible waveguide is connected with diesis coupler.During test, diesis coupler connects power meter and the general instrument of frequency respectively.
Preferably, described combiner device is the binary system waveguide clutch based on magic T-network.
Accompanying drawing explanation
Fig. 1 is radio-frequency module test macro winding diagram in prior art;
Fig. 2 is the winding diagram of combiner device point terminal of the present utility model;
Fig. 3 is the winding diagram that combiner device of the present utility model closes terminal.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is described:
See Fig. 2, the termination of radio-frequency module test macro of the present utility model, comprise combiner device 2 and combiner device input waveguide 3, combiner device 2 comprises and closes terminal 201 and 8 spaced point terminals, be numbered 01 to 08, point terminal 01 to 08 interval is arranged in the same side of combiner device 2, and closes terminal 201 and be located at the side relative with point terminal, combiner device input waveguide 3 is provided with 8, two the clutch input waveguides being positioned at edge are waveguide bend 301, the head end of waveguide bend 301 is towards the outside of combiner device 2, the end of waveguide bend 301 connects with a corresponding point terminal 01 and 08, remaining 6 combiner device input waveguide comprises time straight wave guide 302 of connection and waveguide bend 301B, the head end of waveguide bend 301B is towards the outside of combiner device 2, the waveguide bend 301B of this combiner device input waveguide is connected with a corresponding point terminal 02 to 06 by straight wave guide 302, the head end of combiner device input waveguide (i.e. the head end of waveguide bend 301 and waveguide bend 301B) is for being connected with equipment under test 4.
By above-mentioned improvement, can carry out wiring to 8 equipment under tests, each equipment under test 4 is placed on the both sides of combiner device 2, is often sidelong and puts 4 simultaneously, can reduce the space tested and take while improving testing efficiency.
Compared with prior art, combiner device 2 of the present utility model is provided with 8 points of terminals, can realize once to the wiring of 8 equipment under tests 4, makes 8 equipment under tests 4 realize APT automatic progression testing, substantially increase testing efficiency by Auto-Test System; Combiner device input waveguide 3, according to the quantity of point terminal and the unified customization of distributing position, does not need to arrange combiner device input waveguide 3 for equipment under test 4 separately, improves the versatility of combiner device input waveguide 3, reduce testing cost and test error.
As a kind of improvement project, also comprise and extend straight wave guide 303, extend straight wave guide 303 optionally for head end and the equipment under test 4 of connecting dividing road device input waveguide 3, to adjust the placement location of equipment under test 4.Straight wave guide 303 is extended by configuration, the needs of equipment under test 4 position adjustment can be met, when equipment under test 4 need to place far away time, can be connected with the head end of combiner device input waveguide 3 by extending straight wave guide 303, otherwise equipment under test 4 is directly connected with the head end of combiner device input waveguide 3.
As a kind of improvement project, the end of combiner device input waveguide 3 is connected with a corresponding point terminal by ring flange 3011, and the head end of combiner device input waveguide 3 is connected with equipment under test 4 by adpting flange 3011; Waveguide bend 301B is connected by ring flange 3011 with straight wave guide 302.Adopt ring flange 3011 to connect, make syndeton unified, joint efficiency is higher.
See Fig. 2 and Fig. 3, another object of the present utility model improves testing efficiency and the equipment availability of thermocycling.Close terminal 201 be connected with combiner device output waveguide 5, combiner device output waveguide 5 comprise connect successively the second waveguide bend 501, waveguide twist 502 and interlocked flexible waveguide 503, second waveguide bend 501 head end with close terminal 201 be connected.When carrying out thermocycling, mixer 2 is positioned in high-low temperature test chamber, the opening 801 that the tank wall 8 of high-low temperature test chamber is crossed in the conducting of interlock type soft ripple 503 draws outside, only have a combiner device output waveguide 5 just can replace the testing scheme that prior art draws many mixer input waveguides simultaneously like this, need not frequent dismounting test fixture, reduce the number of times that fixture demarcates calibration, improve testing efficiency and equipment availability.The end of interlocked flexible waveguide 505 is connected with diesis coupler 6, and during test, diesis coupler 6 connects power meter and the general instrument of frequency respectively, and the cross coupler 6 being positioned at end is connected with waveguide load 7.
As a kind of improvement project, combiner device 2 is three grades of binary system waveguide clutch based on magic T-network, and magic T-network isolation end at different levels adopts high-power high temperature resistant suction carrier load.
Below in conjunction with accompanying drawing, wiring process of the present utility model is described:
See Fig. 2 and Fig. 3, the present embodiment carries out three comprehensive (electric stress, temperature stress, vibration stress) reliability tests to 8 Ka band transmitter (equipment under test).Building of experimental enviroment comprises, transmitter 4, combiner device input waveguide 3, combiner device 2, combiner device output waveguide 5 and waveguide fixture.Wherein:
(1) according to transmitter 4 operating frequency, all waveguide elements all select BJ320 waveguide, and it is FBM unthreaded hole flange that the ring flange 3011 of interconnective two sections of waveguides all adopts one to be FBP320 screwed hole flange, and two flanges are middle adds water proof rubber pad;
(2) transmitter 4 and combiner device point terminal 01 to 08 carry out wiring, and 8 transmitters 4 are arranged in the both sides of point terminal of combiner device 2 in two separate ranks, and transmitter 4, waveguide are all fixed on vibration machine 1 with pressing plate:
01 with 08 along separate routes terminated line: the radio-frequency module of 2 transmitters 4 of contiguous combiner device 2 is exported and is connected with combiner device point terminal 01 and 08 by 30mm × 30mm waveguide bend 301.
02 with 07 along separate routes terminated line: the radio-frequency module of 2 adjacent with above-mentioned transmitter 4 (being connected with point terminal 01 and 08) respectively transmitters 4 exports and is connected with 30mm × 30mm waveguide bend 301B, 30mm × 30mm waveguide bend 301B connects 150mm straight wave guide 302,150mm straight wave guide 302 again and is connected with combiner device point terminal 02 and 07.
03 with 06 along separate routes terminated line: the radio-frequency module of 2 adjacent with above-mentioned transmitter 4 (being connected with point terminal 02 and 07) respectively transmitters 4 exports and extends straight wave guide 303 with 50mm and be connected, 50mm extends straight wave guide 303 and is connected with 30mm × 30mm waveguide bend 301B, 30mm × 30mm waveguide bend 301B is connected with 300m straight wave guide 302, and 300m straight wave guide 302 is connected with combiner device point terminal 03 and 06.
04 with 05 along separate routes terminated line: the radio-frequency module of 2 adjacent with above-mentioned transmitter 4 (being connected with point terminal 03 and 06) respectively transmitters 4 exports and extends straight wave guide 303 with 50mm and be connected, extend straight wave guide 303 to be connected with 30mm × 30mm waveguide bend 301B, 30mm × 30mm waveguide bend 301B is connected with 450mm straight wave guide 302, and 450mm straight wave guide 302 is connected with combiner device point terminal 04 and 05.
(3) combiner device 2 adopts the three grades of binary system waveguides of magic T-network to close line structure, and magic T-network isolation end at different levels adopts high-power high temperature resistant suction carrier load.Combiner device 2 does not require to reduce difficulty of processing to phase equalization, to reduce costs; Combiner device 2 is fixed on vibration machine 1.
(4) combiner device output 201 wiring, combiner device closes terminal 201 and connects 30mm × 30mm second waveguide bend 501,100mm waveguide twist 502,300mm interlocked flexible waveguide 503,30mm × 30mm waveguide bend 504,30dB diesis waveguide coupler 6, waveguide load 7 successively.Wherein, 300mm interlocked flexible waveguide 503 draws high-low temperature test chamber 8 by the opening 801 of tank wall 8, and diesis waveguide coupler 6 connects power meter respectively and frequency spectrograph is tested.
(5) test Qian Xuduige road Insertion Loss and carry out demarcation test, and result is counted calibration calculations is carried out to index test result, use normal temperature Xia Ge road Insertion Loss result to calibrate.
During test, by Auto-Test System, time-division control system of switching on or off electricity is carried out to transmitter 4, only allows equipment under test be energized successively, thus realize the APT automatic progression testing to 8 transmitters 4.The utility model, by controlling the time-division of equipment under test, can realize primary connection, and multiple stage equipment under test action order is tested, thus improves testing efficiency.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific term and nouns of locality in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. the termination of a radio-frequency module test macro, it is characterized in that: comprise combiner device and combiner device input waveguide, described combiner device comprises point terminal of closing terminal and more than 2, the quantity of described combiner device input waveguide is equal with the quantity of described point of terminal, the end of described combiner device input waveguide connects with a corresponding point terminal, and the head end of described combiner device input waveguide is used for being connected with equipment under test.
2. the termination of radio-frequency module test macro according to claim 1, is characterized in that: every bar combiner device input waveguide at least comprises one section of waveguide bend, and the head end of described waveguide bend is towards the outside of combiner device.
3. the termination of radio-frequency module test macro according to claim 1, is characterized in that: described point of terminal interval is arranged in the same side of combiner device.
4. the termination of radio-frequency module test macro according to claim 3, it is characterized in that: described point of terminal is arranged with more than 4, every bar combiner device input waveguide at least comprises one section of waveguide bend, and the head end of described waveguide bend is towards the outside of combiner device; Close with two, combiner device edge the combiner device input waveguide that the conjunction terminal beyond terminal is connected and also comprise one section of straight wave guide, the waveguide bend of this combiner device input waveguide is connected with a corresponding point terminal by straight wave guide.
5. the termination of the radio-frequency module test macro according to any one of Claims 1-4, it is characterized in that: also comprise extension straight wave guide, described extension straight wave guide optionally for head end and the equipment under test of connecting dividing road device input waveguide, to adjust the placement location of equipment under test.
6. the termination of the radio-frequency module test macro according to any one of claims 1 to 3, it is characterized in that: the end of described combiner device input waveguide is connected with corresponding point terminal by ring flange, the head end of described combiner device input waveguide is connected with equipment under test by adpting flange.
7. the termination of radio-frequency module test macro according to claim 4, it is characterized in that: the end of described combiner device input waveguide is connected with corresponding point terminal by ring flange, the head end of described combiner device input waveguide is connected with equipment under test by adpting flange, and described waveguide bend is connected by ring flange with straight wave guide.
8. the termination of the radio-frequency module test macro according to any one of Claims 1-4, it is characterized in that: described conjunction terminal is connected with combiner device output waveguide, described combiner device output waveguide comprises the second waveguide bend, waveguide twist and the interlocked flexible waveguide that connect successively, and the head end of described second waveguide bend is connected with described conjunction terminal.
9. the termination of radio-frequency module test macro according to claim 8, is characterized in that: the end of described interlocked flexible waveguide is connected with diesis coupler.
10. the termination of radio-frequency module test macro according to claim 1, is characterized in that: described combiner device is the binary system waveguide clutch based on magic T-network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701129.5U CN205039825U (en) | 2015-09-11 | 2015-09-11 | Termination of radio frequency module test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701129.5U CN205039825U (en) | 2015-09-11 | 2015-09-11 | Termination of radio frequency module test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039825U true CN205039825U (en) | 2016-02-17 |
Family
ID=55298692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520701129.5U Active CN205039825U (en) | 2015-09-11 | 2015-09-11 | Termination of radio frequency module test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205039825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635947A (en) * | 2020-12-08 | 2021-04-09 | 中国科学院力学研究所 | Soft waveguide for millimeter wave terahertz frequency and performance testing device thereof |
-
2015
- 2015-09-11 CN CN201520701129.5U patent/CN205039825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635947A (en) * | 2020-12-08 | 2021-04-09 | 中国科学院力学研究所 | Soft waveguide for millimeter wave terahertz frequency and performance testing device thereof |
| CN112635947B (en) * | 2020-12-08 | 2021-08-31 | 中国科学院力学研究所 | Soft waveguide for millimeter wave terahertz frequency and performance testing device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102111176B (en) | Radio frequency module, radio frequency signal transceiver, receiving and dispatching method and base station system | |
| CN105406930A (en) | Multichannel channel emulator, terminal conformance test system and phase calibration system | |
| CN103245958B (en) | Marking-checking network distributing device suitable for satellite navigation digital multi-beam array | |
| CN202444494U (en) | Antenna testing system | |
| CN205039825U (en) | Termination of radio frequency module test system | |
| CN104363024B (en) | A kind of millimeter wave multi-channel radio frequency receiving front-end for Ka frequency range feed | |
| CN204272392U (en) | Multi-system access platform | |
| CN109301457B (en) | Base station antenna and feed network system thereof | |
| CN114050879A (en) | Radio frequency high-speed switching control circuit and device | |
| CN104808184A (en) | Hierarchical switch network device for testing of multiple T/R (transmitting/receiving) modules and method for implementation of hierarchical switch network for testing of multiple T/R modules | |
| US20180367225A1 (en) | Active antenna device and test method therefor | |
| CN207443137U (en) | The signal transferring device of multi-system access platform and POI equipment | |
| CN110581337A (en) | Multi-path power equalizer | |
| CN205039826U (en) | Radio frequency module test system based on coupler | |
| CN104333901A (en) | Method and device for distributing power | |
| CN205385459U (en) | High output vector modulator | |
| CN203720276U (en) | System for testing anti-interference antenna of satellite receiver | |
| CN114584158A (en) | 5G NR frequency shift double-channel MIMO power self-balancing system | |
| CN101728616B (en) | Method for realizing arbitrary output signal power distribution and power distributer structure device | |
| CN201307856Y (en) | Ka frequency band frequency/power synthesis network device | |
| CN201860328U (en) | Digital repeater of in-band fluctuation compensation | |
| CN105974369A (en) | Multipath all-phase microwave numerical-control phase shifter control system and method | |
| CN207281184U (en) | A kind of antenna parameter tests system | |
| CN111755779A (en) | Component communication device | |
| CN206559367U (en) | A kind of simulator based on optical-fiber time-delay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |