CN102820500A - Integrated multichannel superconducting filter component - Google Patents
Integrated multichannel superconducting filter component Download PDFInfo
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- CN102820500A CN102820500A CN2012102812739A CN201210281273A CN102820500A CN 102820500 A CN102820500 A CN 102820500A CN 2012102812739 A CN2012102812739 A CN 2012102812739A CN 201210281273 A CN201210281273 A CN 201210281273A CN 102820500 A CN102820500 A CN 102820500A
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Abstract
The invention relates to an integrated multichannel superconducting filter component, which belongs to the technical field of superconducting filters. The component comprises a printed circuit board, a superconducting chip and an amplifier chip which are sequentially integrated on an identical base of a shielding box; N superconducting filters are integrated on the superconducting chip; N low-noise amplifiers and an N to 1 microwave switch are integrated on the amplifier chip; a 1 to N microwave switch is integrated on the printed circuit board so as to form an N-channel superconducting filter component; the output terminal of the 1 to N microwave switch is connected with input terminals of the N superconducting filters respectively; the output terminals of the N superconducting filters are respectively connected with the input terminals of the N low-noise amplifiers; and the output terminals of the N low-noise amplifiers are connected with the input terminal of the N to 1 microwave switch respectively. The superconducting filter component can effectively reduce the noise factor and improve the rate of finished products, is compact in structure, and is convenient for integration.
Description
Technical field
The invention belongs to the super conductive filter technical field, particularly a kind of multichannel super conductive filter assembly of high integration.
Background technology
The super conductive filter assembly is made up of super conductive filter and low noise amplifier (LNA), is one of important applied field of current superconductor.The super conductive filter assembly has extremely low noise factor, high band edge steepness, good band to be suppressed outward; Be applied to the receiver front end of various microwave telecommunication devices; Can increase substantially the sensitivity and the selectivity of whole system, therefore be with a wide range of applications and huge market potential in microwave communication fields such as mobile communication, military communication, satellite communications.
Modern receiver requires radio-frequency front-end to have a plurality of signalling channels; This just needs integrated a plurality of super conductive filter to form the super conductive filter assembly; A kind of structure of existing super conductive filter assembly is as shown in Figure 1, and the output of each super conductive filter is connected through adapter with the input of a low noise amplifier (LNA); The input of N super conductive filter links to each other with the output that microwave 1 changes the N microwave switch respectively through microwave cable; The output of N low noise amplifier (LNA) links to each other with the input that microwave N changes 1 microwave switch respectively through microwave cable, changes the N microwave switch through 1 and changes the switching of N signalling channel of 1 microwave switch realization with N; Each super conductive filter individual packages of this super conductive filter assembly connects through adapter with a corresponding low noise amplifier in a shielding box; The weak point of this super conductive filter assembly is:
(1) super conductive filter links to each other through adapter with low noise amplifier; When signal passes through adapter, can produce bigger phase deviation, thereby make super conductive filter assembly and the design result produced differ far away; Tuning difficulty is big; Rate of finished products is low, and adapter has certain loss, has increased the noise factor of super conductive filter assembly.
(2) super conductive filter, low noise amplifier and 1 change N microwave switch, N changes between 1 microwave switch and is connected through microwave cable, adapter, and the introducing of these microwave devices has increased the noise factor of each signalling channel.
(3) the super conductive filter assembly of each passage all need complete through the one-time process flow process, and production efficiency is low, and consistency of performance is poor between each passage.
(4) each super conductive filter, low noise amplifier (LNA) all need independently shielding box; A plurality of shielding boxs make that weight, volume and the thermal power consumption of super conductive filter assembly are big, limited in the refrigeration machine can be integrated the super conductive filter number of channels.
Summary of the invention
The objective of the invention is for overcoming the deficiency of prior art, propose a kind of integrated multichannel super conductive filter assembly.The present invention can effectively reduce the noise factor of super conductive filter assembly, the rate of finished products of raising super conductive filter assembly, and compact conformation, is convenient to integrated.
A kind of integrated multichannel super conductive filter assembly that the present invention proposes is characterized in that this assembly comprises a slice printed circuit board, a slice superconduction wafer and a slice amplifier wafer on the same base that is integrated in a shielding box successively; Be integrated with N super conductive filter on this superconduction wafer; Be integrated with N low noise amplifier on this amplifier wafer and a N changes 1 microwave switch; Integrated one 1 is changeed the N microwave switch on this printed circuit board; Constitute N paths super conductive filter assembly, wherein the output of 1 commentaries on classics N microwave switch links to each other with the input of N super conductive filter respectively; The output of N super conductive filter links to each other with the input of N low noise amplifier respectively; The output of N low noise amplifier links to each other with the input that a N changes 1 microwave switch respectively; N is >=1 positive integer.
Characteristics of the present invention and beneficial effect:
1, the present invention will import, export 1 changes the N microwave switch and super conductive filter, low noise amplifier integrate; Multistage input, output microwave connecting line have been saved; The integrated level and the microwave property of product have been improved; And make the making result more consistent with design result, and reduce tuning difficulty, improve the finished product rate;
2, will export N changes 1 microwave switch and places low noise amplifier (LNA) afterwards, has reduced by N and has changeed the noise factor that 1 microwave switch is introduced;
3, in the flow process of producing once of super conductive filter, accomplish the super conductive filter of a plurality of passages simultaneously, enhance productivity, improve the consistency of performance such as frequency between each passage;
4, printed circuit board and superconduction wafer are integrated on the same base, with solve can't weld on the superconduction wafer discrete component, can't via hole shortcoming, increase the flexibility of design;
5, be encapsulated in the same shielding box the multichannel super conductive filter is integrated, reduced shielding box quantity, practiced thrift weight, volume and thermal power consumption, make in same refrigeration machine can integrated more multichannel number super conductive filter;
6, further; The present invention also can adopt silverskin that superconduction wafer, amplifier wafer and printed circuit board are welded in the shielding box base; Make superconduction wafer, amplifier wafer and the equal good earth of printed circuit board; Improved microwave property, and silverskin can not produce poisonous and pernicious gas in welding process, reduce the requirement of technical process safeguard procedures;
7, adopt the thermal coefficient of expansion automatic steel material close with the superconduction wafer to do the shielding box base, having solved expands with heat and contract with cold makes the cracked at low temperatures problem of superconduction wafer.
Description of drawings
Fig. 1 is general multichannel super conductive filter assembly sketch map.
Fig. 2 is superconduction wafer in the embodiment of the invention, amplifier wafer, printed circuit board connection sketch map;
Fig. 3 is welded on the sketch map on the shielding box base for superconduction wafer, amplifier wafer, printed circuit board in the embodiment of the invention through silverskin;
Fig. 4 is a shielding box decomposing schematic representation in the embodiment of the invention;
Fig. 5 is a sketch map after the multichannel super conductive filter component package in the embodiment of the invention;
Wherein: 10 are superconduction wafer body, and 11 are a super conductive filter path on the superconduction wafer, and 12 is the incoming feeder of super conductive filter, and 13 is the output feeder of super conductive filter; 20 is amplifier wafer body, and 21 is low noise amplifier, and 22 is that output N changes 1 microwave switch; 23 is the low noise amplifier input port, and 24 is the output port that output N changes 1 microwave switch, and 30 is the printed circuit board body; 31 are input 1 commentaries on classics N microwave switch, and 32 is the input port that the N microwave switch is changeed in input 1, and 33 for importing the output ports of 1 commentaries on classics N microwave switch; 4 are the some welding wire, and 50 is shielding box base body, and 51 is the screw that shielding box base and shielding box frame fixation are used; 52 is the fixing hole of shielding box integral body and external structure, and 6 is the silverskin layer, and 70 is the shielding box frame body; 71 is metal partion (metp), and 72 is the stomidium of standard sub-miniature A connector, and 73 is the screw fixing hole of standard sub-miniature A connector; 74 through holes for using to low noise amplifier power supply electric wire, 75 is the fixedly screw of usefulness of shielding box framework and shielding box cover, 76 is the fixedly through hole of usefulness of shielding box framework and shielding box base; 77 is the whole fixing hole with external structure of shielding box, and 78 for control input, output microwave 1 change the feedthrough capacitor installing holes of N switch, and 79 be to the supply power installing hole of feedthrough capacitor of usefulness of low noise amplifier; 80 is the body of shielding box cover, and 81 for leaving the through hole of shielding box framework and shielding box base hold-down screw for, and 82 is the through hole that shielding box cover and shielding box frame fixation are used; 83 is the fixing hole of shielding box integral body and external structure, and 90 is the standard sub-miniature A connector, and 100 is feedthrough capacitor.
Embodiment
A kind of integrated multichannel super conductive filter assembly that the present invention proposes combines accompanying drawing and embodiment to specify as follows:
A kind of integrated multichannel super conductive filter assembly of the present invention is characterized in that this assembly comprises a slice printed circuit board, a slice superconduction wafer and a slice amplifier wafer on the same base that is integrated in a shielding box successively; Be integrated with N super conductive filter on this superconduction wafer; Be integrated with N low noise amplifier on this amplifier wafer and a N changes 1 microwave switch; Integrated one 1 is changeed the N microwave switch on this printed circuit board; Constitute N paths super conductive filter assembly, wherein the output of 1 commentaries on classics N microwave switch links to each other with the input of N super conductive filter respectively; The output of N super conductive filter links to each other with the input of N low noise amplifier respectively; The output of N low noise amplifier links to each other with the input that a N changes 1 microwave switch respectively; N is >=1 positive integer.
Following execution mode is an example with 4 road super conductive filters, but the present invention includes and be not limited to the situation of 4 paths.
A kind of high integration 4 passage super conductive filter assembly embodiment primary structures of the present invention are as shown in Figure 2, and this assembly mainly comprises a slice printed circuit board 30, a slice superconduction wafer 10, the amplifier wafer 20 of (not shown) on the same base that is integrated in a shielding box successively.4 road super conductive filters 11 are arranged on the said superconduction wafer 10, and every road super conductive filter 11 has an incoming feeder 12 and an output feeder 13; 4 low noise amplifiers 21 are arranged on the said amplifier wafer 20; 1 microwave switch 22 is changeed in 1 output 4; Each low noise amplifier 21 has one to be used for the input port 23 that welds mutually with the output feeder 13 of superconduction wafer 10; Said welding is accomplished through some welding wire 4, and the output port 24 that 1 microwave switch is changeed in output 4 is used for the center needle welding with the standard sub-miniature A connector; Have an input 1 to change 31,1 input ports 32 of 4 microwave switches on the said printed circuit board 30 and be used for the output port 33 that weld mutually with the incoming feeder 12 of superconduction wafer 10 with 4, said welding is through a welding wire 4 completion.
Be useful on the screw 51 of connection and the through hole 52 that is used for fixing on the shielding box base 50 of present embodiment; Said superconduction wafer 10, amplifier wafer 20 and printed circuit board 30 are welded on the shielding box base 50 through silverskin 6, and the shielding box base adopts the 12L13 automatic steel to be made.As shown in Figure 3.
The shielding box structure of present embodiment is as shown in Figure 4, is made up of shielding box cover 80, shielding box base 50 and 70 of shielding box frameworks; Be useful on fixing threaded hole 73, the through hole 74 that is used for low noise amplifier power supply electric wire of separating metal partion (metp) 71, the stomidium 72 that is used for installation code sub-miniature A connector 90 and the standard sub-miniature A connector 90 of electromagnetic field between 4 filter paths on the shielding box framework 70, be used for the screw 75 fixing with shielding box cover 80, also have on the said shielding box framework 70 that communicate with the screw of shielding box base 50 51 and be used for fixing shielding box base 50 through hole 76, fixing hole 77, be used to control input and output microwave 1 change 4 switches feedthrough capacitor 100 installing hole 78 and to the installing hole 79 of the feedthrough capacitor 100 of low noise amplifier power supply usefulness; Have that communicate on the said shielding box cover 80 and be used for fixing the through hole 82 of shielding box cover 80 with the screw of shielding box framework 70 75; Leave the through hole 81 of the hold-down screw of shielding box framework 70 and shielding box base 50 on the shielding box cover 80 in addition for, and be used for whole shielding box and extraneous fixing through hole 83 with the through hole 52 of the through hole 77 of shielding box framework 70, shielding box base 50 communicates.
The stomidium that two standard sub-miniature A connectors 90 of symmetry are arranged on the above-mentioned shielding box framework 70 is wherein imported input port 32 welding, the center needle of output sub-miniature A connector and 24 welding of the output port of amplifier wafer 20 of the center needle and the printed circuit board 30 of sub-miniature A connector.
There are 2 to be used to control input microwave 1 and to change the feedthrough capacitor installing holes 78 that 4 switches 31 and output microwave 1 change 4 switches 22 on the above-mentioned said shielding box framework 70, and to the installing hole 79 of the feedthrough capacitor of low noise amplifier power supply usefulness; Feedthrough capacitor to low noise amplifier power supply usefulness is installed on after 79, after its center needle welds the electric wire to the low noise amplifier power supply, passes through hole 74 and comes to 21 power supplies of 4 low noise amplifiers.
Manufacture method of the present invention may further comprise the steps:
1) adopts the YBCO/MgO superconducting film material of a length of a film 30mm * wide 40mm * thick 0.5mm to make a superconduction wafer 10, adopt ion beam etching technology integrated 4 road super conductive filters 11 on superconduction wafer 10;
2) ROGERS RO4350B material a slice amplifier wafer 20 of employing one length of a film 15mm * wide 40mm * thick 0.508mm; On amplifier wafer 20, adopt surface soldered integrated No. 4 low noise amplifiers 21 of technology and 14 commentaries on classics 1 microwave switch 22; Low noise amplifier (LNA) is selected the ALN0195AT of ASB company for use, and 4 change the RF1146 that 1 microwave switch 22 is selected RFMD company for use;
3) ROGERS RO4350B material a slice printed circuit board 30 of employing one length of a film 9mm * wide 40mm * thick 0.508mm; On printed circuit board 30, adopt integrated 11 of surface soldered technology to change the RF1146 that 4 microwave switches, 31,1 commentaries on classics, 4 microwave switches 31 are selected RFMD company for use;
4) adopt the 12L13 automatic steel of a block length 55mm * wide 50mm * thick 3mm to make shielding box base 50, gold-plated after the machine work, have screw 51 that is used to connect and the through hole 52 that is used for fixing on the shielding box base 50;
5) adopt the aluminum of a block length 65mm * wide 50mm * thick 8.6mm to make shielding box framework 70;
6) adopt the aluminum of a block length 65mm * wide 50mm * thick 4mm to make shielding box cover 80;
7) printed circuit board 30, superconduction wafer 10, amplifier wafer 20 are arranged in order, and are welded on the shielding box base 50 through silverskin 6 at its back side;
8) with 1 on the printed circuit board 30 change 4 microwave switches, 31 outputs respectively with superconduction wafer 10 on the input 12 of 4 road super conductive filters 11 couple together through a welding wire 4; The input 23 of the low noise amplifier 21 on the output 13 of the every road super conductive filter 11 on the superconduction wafer 10 and the corresponding amplifier wafer 20 is welded through a welding wire 4;
9) with completing steps 8) after shielding box base 50 through screw in shielding box framework 70 bottoms;
10) input port 32 that will import on standard sub-miniature A connector and the printed circuit board 30 welds, with 24 welding of the output port on outputting standard sub-miniature A connector and the amplifier wafer 20;
11) 3 feedthrough capacitors are installed; Wherein the current electrode of the low noise amplifier 23 on 1 feedthrough capacitor electrode and the amplifier wafer 20 welds together; The control end that 4 microwave switches 31, output 4 are changeed in other 2 feedthrough capacitors and input 1 changes 1 microwave switch 22 welds together, and feedthrough capacitor adopts the EMI-FLC-4M3A-2E103Z of ElecFish;
12) shielding box cover 80 is passed through screw in shielding box framework 70 upper ends, promptly process integrated 4 passage super conductive filter assemblies, as shown in Figure 5.
Claims (5)
1. an integrated multichannel super conductive filter assembly is characterized in that, this assembly comprises a slice printed circuit board, a slice superconduction wafer and a slice amplifier wafer on the same base that is integrated in a shielding box successively; Be integrated with N super conductive filter on this superconduction wafer; Be integrated with N low noise amplifier on this amplifier wafer and a N changes 1 microwave switch; Integrated one 1 is changeed the N microwave switch on this printed circuit board; Constitute N paths super conductive filter assembly, wherein the output of 1 commentaries on classics N microwave switch links to each other with the input of N super conductive filter respectively; The output of N super conductive filter links to each other with the input of N low noise amplifier respectively; The output of N low noise amplifier links to each other with the input that a N changes 1 microwave switch respectively; N is >=1 positive integer.
2. require described multichannel super conductive filter assembly according to right 1, it is characterized in that, said shielding box is provided with N-1 metal partion (metp), and with being separated into N space in the shielding box, a said N super conductive filter places respectively in the space.
3. require described multichannel super conductive filter assembly according to right 1, it is characterized in that, the input of each super conductive filter on the said superconduction wafer is connected through the output of 1 commentaries on classics N microwave switch on some welding wire and the printed circuit board; The output of each super conductive filter on the said superconduction wafer is connected with a amplifier input terminal on the said amplifier wafer through the some welding wire respectively.
4. require described multichannel super conductive filter assembly according to right 1, it is characterized in that, said superconduction wafer, amplifier and printed circuit board all are welded on the shielding box base through silverskin.
5. require described multichannel super conductive filter assembly according to right 1, it is characterized in that, said shielding box base adopts automatic steel to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102812739A CN102820500A (en) | 2012-08-08 | 2012-08-08 | Integrated multichannel superconducting filter component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102812739A CN102820500A (en) | 2012-08-08 | 2012-08-08 | Integrated multichannel superconducting filter component |
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| Publication Number | Publication Date |
|---|---|
| CN102820500A true CN102820500A (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102812739A Pending CN102820500A (en) | 2012-08-08 | 2012-08-08 | Integrated multichannel superconducting filter component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187079A (en) * | 2015-09-21 | 2015-12-23 | 无锡泓瑞航天科技有限公司 | Efficient, integrated and superconductive reception system used for communication base station |
| CN110783673A (en) * | 2019-11-08 | 2020-02-11 | 中北大学 | Multi-channel interdigital adjustable filter based on MEMS switch |
| CN114024111A (en) * | 2021-11-08 | 2022-02-08 | 南京希尼尔通信技术有限公司 | KU-band four-channel connected filter bank and production method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10224269A (en) * | 1997-02-10 | 1998-08-21 | N T T Ido Tsushinmo Kk | Highly reliable radio receiver |
| CN201508892U (en) * | 2009-09-02 | 2010-06-16 | 天津海泰超导电子有限公司 | Microwave filter combined sealing shielding box |
-
2012
- 2012-08-08 CN CN2012102812739A patent/CN102820500A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10224269A (en) * | 1997-02-10 | 1998-08-21 | N T T Ido Tsushinmo Kk | Highly reliable radio receiver |
| CN201508892U (en) * | 2009-09-02 | 2010-06-16 | 天津海泰超导电子有限公司 | Microwave filter combined sealing shielding box |
Non-Patent Citations (1)
| Title |
|---|
| 张宇平, 高翠琢: "开关滤波器组的研制", 《半导体技术》, vol. 34, no. 6, 3 June 2009 (2009-06-03), pages 598 - 601 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187079A (en) * | 2015-09-21 | 2015-12-23 | 无锡泓瑞航天科技有限公司 | Efficient, integrated and superconductive reception system used for communication base station |
| CN110783673A (en) * | 2019-11-08 | 2020-02-11 | 中北大学 | Multi-channel interdigital adjustable filter based on MEMS switch |
| CN114024111A (en) * | 2021-11-08 | 2022-02-08 | 南京希尼尔通信技术有限公司 | KU-band four-channel connected filter bank and production method thereof |
| CN114024111B (en) * | 2021-11-08 | 2022-05-24 | 南京希尼尔通信技术有限公司 | KU-band four-channel connected filter bank and production method thereof |
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Application publication date: 20121212 |