CN106841709B - A kind of MMIC Universal test clamping apparatus - Google Patents
A kind of MMIC Universal test clamping apparatus Download PDFInfo
- Publication number
- CN106841709B CN106841709B CN201710248692.5A CN201710248692A CN106841709B CN 106841709 B CN106841709 B CN 106841709B CN 201710248692 A CN201710248692 A CN 201710248692A CN 106841709 B CN106841709 B CN 106841709B
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- radio frequency
- pedestal
- input
- mmic
- output
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000009434 installation Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
- H01P5/107—Hollow-waveguide/strip-line transitions
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention belongs to clamp arts, provide a kind of MMIC Universal test clamping apparatus.The test fixture includes radio frequency input pedestal, radio frequency output pedestal and the boss for installing MMIC to be measured, input microstrip line and the direct current supply plate for powering to MMIC are installed on radio frequency input pedestal, output microstrip line is installed in radio frequency output pedestal, boss is removably mounted on radio frequency input pedestal, and be connected to each other with the output end of input microstrip line, radio frequency output pedestal can be slidably mounted on radio frequency input pedestal along radio frequency direction.After boss is removably mounted on radio frequency input pedestal by the present invention, pedestal is exported by radio frequency to slide on radio frequency input pedestal along radio frequency direction, so as to drive output microstrip line to come close to or in contact with the MMIC on boss, realize the adjusting in radio frequency direction, to adapt to various sizes of MMIC, test period and the cost of MMIC are reduced.
Description
Technical field
The invention belongs to clamp art more particularly to a kind of MMIC (Monolithic Microwave
Integrated Circuit monolithic integrated microwave circuit) Universal test clamping apparatus.
Background technique
Short-distance wireless high-speed transfer is widely used to using the millimeter wave frequency band MMIC of GaAs, InP-base or Si base, is defended
The fields such as star communication and military radar.In millimeter MMIC test phase, there is higher reliability, economy using waveguide form
Property and lower loss, i.e., the input/output end port of test fixture be waveguide form, this just needs design plane micro-strip knot
Structure, to realize the good transition between waveguiding structure and planar microstrip structure.However for the MMIC of different type and size, need
The test fixture of different configuration is prepared, inconvenient for use, this will greatly increase period and the cost of MMIC test.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of MMIC Universal test clamping apparatus, it is intended to solve existing
There is the problem that test period present in the MMIC test fixture in technology is long and at high cost.
The embodiments of the present invention are implemented as follows, a kind of MMIC Universal test clamping apparatus, including radio frequency input pedestal and radio frequency
Pedestal is exported, input microstrip line and the direct current supply plate for powering to MMIC are installed on the radio frequency input pedestal, it is described
Output microstrip line is installed in radio frequency output pedestal, the Universal test clamping apparatus further includes the boss for installing MMIC to be measured,
The boss is removably mounted on the radio frequency input pedestal, and is connected to each other with the output end of the input microstrip line, institute
Stating radio frequency output pedestal can be slidably mounted on the radio frequency input pedestal along radio frequency direction, and can make the output microstrip line
Input terminal come close to or in contact with the MMIC to be measured on the boss.
Further, the radio frequency input pedestal includes that the radio frequency input upper cover being detachably connected and radio frequency input pedestal,
The input microstrip line and direct current supply plate are mounted on the radio frequency input pedestal, and the radio frequency input upper cover is fixedly mounted on
On the radio frequency input pedestal, the bottom end of the radio frequency input pedestal is equipped with sliding block and offers long through-hole, the sliding block and institute
It states and is fixedly connected between radio frequency output pedestal by connector, and the connector is threaded through in the long through-hole.
Further, the radio frequency output pedestal includes that the radio frequency output upper cover being detachably connected and radio frequency export pedestal,
There is the accommodation groove for radio frequency output pedestal sliding, the radio frequency output upper cover is fixedly mounted on the radio frequency input pedestal
On radio frequency output pedestal, it is fixedly connected between the radio frequency output pedestal and the sliding block by the connector, institute
The bottom end for stating radio frequency input pedestal has sliding slot, and the sliding block slides in the sliding slot.
Further, there is hole location on the radio frequency input pedestal, the hole location has opening, and the boss is mounted on institute
It states in hole location, there is groove on the boss, there is convex block on the radio frequency output pedestal, the output microstrip line is mounted on institute
It states on convex block, the convex block can be open by described close to the groove or against the groove, and the output on the convex block is made
The input terminal of microstrip line is near or against the MMIC to be measured on the boss.
Further, the cross section of the signal input notch constituted between the radio frequency input pedestal and radio frequency input upper cover
L-shaped, through there is the first groove between signal input notch and the hole location, the input microstrip line is mounted on described the
In one groove, and its input terminal protrudes into the signal input notch, and the intracorporal signal of the radio frequency output seat exports notch
Also L-shaped, the second groove being connected to signal output notch is offered on the convex block, the output microstrip line is mounted on
In second groove, and its output end protrudes into the signal output notch.
Further, it offers on the radio frequency input pedestal for adjusting the several of the direct current supply plate installation site
Threaded hole, offers several apertures with threaded hole cooperation on the direct current supply plate, the direct current supply plate with it is described
The aperture is worn using screw between radio frequency input pedestal to be fixedly connected with threaded hole.
Compared with prior art, beneficial effect is the embodiment of the present invention: the present invention is for different sizes and type
MMIC configures the boss to match, after boss is mounted on radio frequency input pedestal, exports pedestal along radio frequency side by radio frequency
It is slided on frequency input pedestal, so as to drive output microstrip line to come close to or in contact with the MMIC on boss, realizes radio frequency
The adjusting of position on direction, it is easy to use to adapt to various sizes of MMIC, greatly reduce MMIC test period and at
This;Meanwhile ensure that the gap of microstrip line and MMIC are small as far as possible, so that after passing through gold wire bonding between microstrip line and MMIC, energy
Enough enhancing signal transmission, prevent test performance from deteriorating.
Detailed description of the invention
Fig. 1 is adjustable MMIC Universal test clamping apparatus overall structure diagram provided in an embodiment of the present invention;
Fig. 2 is the overlooking structure diagram of MMIC Universal test clamping apparatus shown in FIG. 1;
Fig. 3 is the backsight structural representation of Fig. 2;
Fig. 4 is the decomposition texture schematic diagram of Fig. 1;
Fig. 5 is the radio frequency input base schematic diagram in Fig. 1;
Fig. 6 is radio frequency input another angle schematic diagram of pedestal shown in fig. 5;
Fig. 7 is in Fig. 1 for installing the boss block schematic diagram of MMIC to be measured;
Fig. 8 is the direct current supply plate schematic diagram in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It as shown in Figures 1 to 6, is a kind of MMIC Universal test clamping apparatus provided in an embodiment of the present invention, the test fixture packet
Include radio frequency input pedestal, radio frequency output pedestal 3 and the boss 4 for installing MMIC 7 to be measured.It is installed on radio frequency input pedestal
Have for the input microstrip line 5 of radiofrequency signal input and the direct current supply plate 8 for powering to MMIC 7, radio frequency export pedestal 3
Output microstrip line 6 for radiofrequency signal output is inside installed, boss 4 is removably mounted on radio frequency input pedestal, and with
The output end of input microstrip line 5 is connected to each other, and radio frequency output pedestal 3 can be slidably mounted on radio frequency input pedestal along radio frequency direction X
On, and the input terminal for exporting microstrip line 5 can be made to come close to or in contact with the MMIC to be measured 7 on boss 4.
In above-described embodiment, radio frequency input pedestal includes the radio frequency input upper cover 2 being detachably connected and radio frequency input pedestal
1, it inputs microstrip line 5 and direct current supply plate 8 is mounted on radio frequency input pedestal 1, it is defeated that radio frequency input upper cover 2 is fixedly mounted on radio frequency
Enter on pedestal 1.The bottom end of radio frequency input pedestal 1 is equipped with sliding block 9 and offers long through-hole 10, sliding block 9 and radio frequency output pedestal 3 it
Between be fixedly connected by connector 20, and connector 20 is threaded through 10 in long through-hole.Radio frequency output pedestal 3 includes detachably connecting
The radio frequency output upper cover 31 and radio frequency output pedestal 32 connect, radio frequency, which inputs on pedestal 1 to have, exports what pedestal 32 slided for radio frequency
Accommodation groove 11, radio frequency output upper cover 31 are fixedly mounted on radio frequency output pedestal 32, and radio frequency exports to be led between pedestal 32 and sliding block 9
It crosses connector 20 to be fixedly connected, the bottom end that radio frequency inputs pedestal 1 has sliding slot 12, and sliding block 9 slides in sliding slot 12.In this way, logical
It crosses promotion sliding block 9 to slide in sliding slot 12 along radio frequency direction X, so that radio frequency output pedestal 32 and radio frequency be driven to export upper cover 31 1
Rise and moved along radio frequency direction X, make to export microstrip line 6 be moved to it is close to each other or contact with the MMIC to be measured 7 on boss 4, for
Various sizes of MMIC 7 ensure that gap between output microstrip line 6 and MMIC 7 as far as possible by the mobile adjusting of sliding block 9
It is small, enhance the transmission between signal, prevents test performance from deteriorating.
There is hole location 13 on above-mentioned radio frequency input pedestal 1, hole location 13 has opening 130, and boss 4 is mounted on hole location 13
In.Please referring collectively to shown in Fig. 7, having groove 40 on boss 4, radio frequency, which exports, has convex block 320 on pedestal 32, export microstrip line
6 are mounted on convex block 320, push sliding block 9, and sliding block 9 drives radio frequency output pedestal 32 mobile, and radio frequency exports pedestal 32 and drives convex block
320 close to groove 40 or are resisted against in groove 40 by opening 130, keep the input terminal of the output microstrip line 6 on convex block 320 close
Or the MMIC to be measured 7 on boss 4, to realize the accurate adjusting of the phase position of input and output.Above-mentioned is to be measured
MMIC 7, according to the difference of type and size, selection matches the boss 4 of specification, to adapt to installation fixing different types and ruler
Very little MMIC to be measured 7.Please referring collectively to shown in Fig. 6, the frame mode that MMIC 7 to be measured is fixed on boss 4 is: according to boss
4 specifications paste adaptable copper sheet 41 by conductive silver paste in the upper surface of boss 4, viscous by conductive silver paste on copper sheet 41
MMIC 7 to be measured is pasted, then MIM (metal-insulator- is pasted by conductive silver paste on the copper sheet 41 of 7 two sides MMIC to be measured
Metal metal-insulator-metal type) capacitor 42, boss 4 is finally screwed mode and is mounted on radio frequency input pedestal 1
In hole location 13, the direct current supply plate 8 on radio frequency input pedestal 1 is bonded on MMIC 7 through MIM capacitor 42, and power supply is through direct current supply
Plate 8 is powered MMIC 7.
In above-described embodiment, the cross of the signal input notch 14 constituted between radio frequency input pedestal 1 and radio frequency input upper cover 2
Section is L-shaped, and through there is the first groove 17 between signal input notch 14 and hole location 13, it is recessed that input microstrip line 5 is mounted on first
In slot 17, and its input terminal protrudes into signal input notch 14.It is also in L that radio frequency, which exports the signal output notch 30 in pedestal 3,
Shape offers the second groove (not shown) be connected to signal output notch 30, the output installation of microstrip line 6 on convex block 320
In the second groove, and its output end protrudes into signal output notch 30.Radio-frequency input signals passes through common standard rectangular
Waveguide feed-in turns microstrip transition structure via waveguide and realizes conversion of the signal from waveguide to microstrip circuit, and rectangular waveguide is transmitting
90 ° of turn is done on direction, to realize the conllinear transmission of input with output.
In above-described embodiment, several spiral shells for adjusting direct current supply plate installation site are offered on radio frequency input pedestal 1
Pit 15.Please referring collectively to several apertures 80 cooperated with threaded hole 15 shown in Fig. 8, are offered on direct current supply plate 8, direct current is supplied
Aperture 80 is worn using screw 16 between battery plate 8 and radio frequency input pedestal 1 to be fixedly connected with threaded hole 15, makes direct current supply
The installation site of plate 8 can be electrically connected with MIM capacitor 42.Since the spatial arrangement of direct current biasing direction Y is to 7 performance of MMIC
Influence it is smaller, in order to simplify design and processing cost, in the present embodiment, radio frequency input pedestal 1 on be equipped with two grades of screw threads
Hole 15 is equipped with two grades of apertures 80 corresponding with two grades of threaded holes 15 respectively on direct current supply plate, is used for regulation direct-current bias
The position of direction Y.If size of the MMIC 7 in direct current biasing direction Y is smaller, one grade of aperture 801 and one grade are worn by screw 16
Direct current supply plate 8 is fixed on radio frequency input pedestal 1 by screw hole 151, if size of the MMIC 7 in direct current biasing direction Y is larger,
Two grades of apertures 802 and two grades of screw holes 152 are then worn by screw 16, direct current supply plate 8 is fixed on radio frequency input pedestal 1,
Direct current supply plate 8 is set to be adjusted with respect to the position of MIM capacitor 42, to reach the adjusting to direct current biasing position.
In conclusion above-mentioned MMIC Universal test clamping apparatus can no replacement is required for the MMIC 7 of different type and size
Entire test fixture, it is only necessary to which the boss that replacement matches with 7 size of MMIC exports pedestal 3 by mobile radio to realize
Position on the X of radio frequency direction is adjusted, and adapts to the test to various sizes of MMIC 7, and easy to use and flexible reduces MMIC 7
Test period and cost, while ensure that the gap of microstrip line and MMIC 7 is small as far as possible, to enhance signal transmission, prevent from surveying
Try penalty.In addition, the test fixture can be adjusted on the Y of direct current biasing direction according to the size of MMIC 7, reduce
Influence to 7 performance of MMIC.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of MMIC Universal test clamping apparatus, including radio frequency input pedestal and radio frequency export pedestal, the radio frequency is inputted on pedestal
Input microstrip line and the direct current supply plate for powering to MMIC are installed, output micro-strip is installed in the radio frequency output pedestal
Line, which is characterized in that the Universal test clamping apparatus further includes the boss for installing MMIC to be measured, and the boss is removably pacified
It is connected to each other on radio frequency input pedestal, and with the output end of the input microstrip line, the radio frequency exports pedestal energy edge
Radio frequency direction is slidably mounted on the radio frequency input pedestal, and the input terminal of the output microstrip line can be made to come close to or in contact with
MMIC to be measured on the boss;
The radio frequency input pedestal includes the radio frequency input upper cover being detachably connected and radio frequency input pedestal, the input microstrip line
It is mounted on the radio frequency input pedestal with direct current supply plate, the radio frequency input upper cover is fixedly mounted on radio frequency input bottom
On seat, the bottom end of the radio frequency input pedestal is equipped with sliding block and offers long through-hole, and the sliding block and the radio frequency export pedestal
Between be fixedly connected by connector, and the connector is threaded through in the long through-hole;
The radio frequency output pedestal includes the radio frequency output upper cover being detachably connected and radio frequency output pedestal, and the radio frequency inputs bottom
There is the accommodation groove for radio frequency output pedestal sliding, the radio frequency output upper cover is fixedly mounted on the radio frequency output on seat
On pedestal, it is fixedly connected between the radio frequency output pedestal and the sliding block by the connector, the radio frequency inputs pedestal
Bottom end there is sliding slot, the sliding block slides in the sliding slot.
2. MMIC Universal test clamping apparatus as described in claim 1, which is characterized in that there is hole on the radio frequency input pedestal
Position, the hole location have opening, and the boss is mounted in the hole location, have groove, the radio frequency output on the boss
There is convex block, the output microstrip line is mounted on the convex block, and the convex block can be by the opening close to described on pedestal
Groove or against the groove makes the input terminal of the output microstrip line on the convex block near or against to be measured on the boss
MMIC。
3. MMIC Universal test clamping apparatus as claimed in claim 2, which is characterized in that the radio frequency input pedestal and radio frequency input
The cross section of the signal input notch constituted between upper cover is L-shaped, and running through between the signal input notch and the hole location has
First groove, the input microstrip line are mounted in first groove, and its input terminal protrudes into the signal input notch
In, the intracorporal signal output notch of radio frequency output seat is also L-shaped, offers on the convex block and exports notch with the signal
Second groove of connection, the output microstrip line is mounted in second groove, and to protrude into the signal defeated for its output end
Out in notch.
4. the MMIC Universal test clamping apparatus as described in any one of claims 1 to 3, which is characterized in that the radio frequency input
Several threaded holes for adjusting the direct current supply plate installation site are offered on pedestal, are offered on the direct current supply plate
Several apertures with threaded hole cooperation wear institute using screw between the direct current supply plate and radio frequency input pedestal
Aperture is stated to be fixedly connected with threaded hole.
Priority Applications (1)
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CN201710248692.5A CN106841709B (en) | 2017-04-17 | 2017-04-17 | A kind of MMIC Universal test clamping apparatus |
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CN201710248692.5A CN106841709B (en) | 2017-04-17 | 2017-04-17 | A kind of MMIC Universal test clamping apparatus |
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CN106841709A CN106841709A (en) | 2017-06-13 |
CN106841709B true CN106841709B (en) | 2019-08-02 |
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Families Citing this family (3)
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CN107422199A (en) * | 2017-04-28 | 2017-12-01 | 中国电子科技集团公司第二十九研究所 | A kind of Multi-channel microwave component test system |
WO2019133093A1 (en) * | 2017-12-29 | 2019-07-04 | Xcerra Corporation | Test socket assembly with waveguide transition and related methods |
CN109669118B (en) * | 2019-01-29 | 2021-09-03 | 中国科学院上海微系统与信息技术研究所 | Adjustable microwave circuit test fixture |
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Effective date of registration: 20191104 Address after: Room 1206, building 2, No. 478, yuhangtang Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou yibangxin Technology Co., Ltd Address before: 434300 room 307, 3 / F, building 2, No. 20, Wuhan Putian Science Park, No. 20, University Park Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee before: Wuhan special light electric technology Co., Ltd. |