CN203071199U - Waveguide converter for high-temperature superconductive reception front - Google Patents
Waveguide converter for high-temperature superconductive reception front Download PDFInfo
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- CN203071199U CN203071199U CN 201220734396 CN201220734396U CN203071199U CN 203071199 U CN203071199 U CN 203071199U CN 201220734396 CN201220734396 CN 201220734396 CN 201220734396 U CN201220734396 U CN 201220734396U CN 203071199 U CN203071199 U CN 203071199U
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- wave filter
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Abstract
The utility model relates to a waveguide converter for a high-temperature superconductive reception front, which comprises a waveguide-coaxial converter. The output end of the waveguide-coaxial converter is connected with the input interface of a high-temperature superconductive filter through an input microwave cable. The output interface of the high-temperature superconductive filter is connected with the input interface of a low-temperature amplifier. The output interface of the low-temperature amplifier is connected with a sealing SMA connector through an output microwave cable. The input microwave cable, the high-temperature superconductive filter, the low-temperature amplifier and the output microwave cable are sealed inside a Dewar. The waveguide-coaxial converter and the sealing SMA connector are arranged on the outer wall of the Dewar. By integrating the waveguide-coaxial converter, the high-temperature superconductive filter and the low-temperature amplifier, the waveguide converter provided by the utility model is enabled to have the advantages of relatively small volume, low noise temperature, high rectangle coefficient, high inhibition degree and long-term static sealing capabilities.
Description
Technical field
The utility model relates to a kind of microwave components, especially a kind of high-temperature superconductor receiving front-end waveguide switch.
Background technology
The high-temperature superconductor receiving front-end of development all is coaxial input at present, needs external waveguide-coaxial converter when connecting system, has so both increased the noise temperature of system, has increased volume again.
The utility model content
The purpose of this utility model is to provide that a kind of noise temperature is low, squareness factor is high, inhibition degree height, high-temperature superconductor receiving front-end waveguide switch that volume is little.
For achieving the above object, the utility model has adopted following technical scheme: a kind of high-temperature superconductor receiving front-end waveguide switch, comprise waveguide-coaxial converter, its output links to each other with the input interface of high temperature superconduction wave filter by the input microwave cable, the output interface of high temperature superconduction wave filter links to each other with the input interface of low temperature amplifier, the output interface of low temperature amplifier links to each other with sealing SMA connector by the output microwave cable, the input microwave cable, high temperature superconduction wave filter, low temperature amplifier and output microwave cable are sealed in the Dewar, and waveguide-coaxial converter and sealing SMA connector are installed on the outer wall of Dewar.
A multicore hermetically sealed connector and a CF sealing flange also are installed on the outer wall of described Dewar.
Described waveguide-coaxial converter is made up of waveguide input port, saturating Bomi sealing cover, welded flange, output SMA connector and inner wire, saturating Bomi sealing cover and welded flange pass through laser welding, welded flange is welded on by argon arc welding on the outer wall of Dewar, and output SMA connector links to each other with the input port of high temperature superconduction wave filter by the input microwave cable.
Described input microwave cable, output microwave cable all adopt the stainless steel microwave cable.
Described high temperature superconduction wave filter is made up of chip and box body, and described chip is welded on the bottom of box body by the indium sheet, and chip adopts magnesium oxide as substrate, and its thickness is 0.5mm; The high temperature superconduction wave filter circuit is set on the described chip, and the high temperature superconduction wave filter circuit is made up of input interface, output interface resonator.
The material of described box body adopts titanium alloy.
As shown from the above technical solution, the utility model integrates waveguide-coaxial converter, high temperature superconduction wave filter, low temperature amplifier, and volume is less; Working temperature is when 77K is following, it is in the S-band frequency range, noise temperature has only below the 20K, gain is better than 50dB, squareness factor below 2, the inhibition degree is more than 90dB, the vacuum degree of whole system can remain on below the 0.1Pa for a long time, noise temperature is low, squareness factor is high, inhibition degree height, can long-term static sealing.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of waveguide-coaxial converter in the utility model.
Embodiment
A kind of high-temperature superconductor receiving front-end waveguide switch, it is characterized in that: comprise waveguide-coaxial converter 1, its output links to each other with the input interface of high temperature superconduction wave filter 6 by input microwave cable 3, the output interface of high temperature superconduction wave filter 6 links to each other with the input interface of low temperature amplifier 7, the output interface of low temperature amplifier 7 links to each other with sealing SMA connector 2 by output microwave cable 4, input microwave cable 3, high temperature superconduction wave filter 6, low temperature amplifier 7 and output microwave cable 4 are sealed in the Dewar 5, and waveguide-coaxial converter 1 and sealing SMA connector 2 are installed on the outer wall of Dewar 5.A multicore hermetically sealed connector 8 and a CF sealing flange also are installed on the outer wall of described Dewar 5, and described input microwave cable 3, output microwave cable 4 all adopt the stainless steel microwave cable.As shown in Figure 1.
As shown in Figure 1, described high temperature superconduction wave filter 6 is made up of chip and box body, and the material of described box body adopts titanium alloy, and described chip is welded on the bottom of box body by the indium sheet, and chip adopts magnesium oxide as substrate, and its thickness is 0.5mm; 5000 dust high-temperature superconductor YBa in the sputter of substrate two sides
2Cu
3O
7-Δ film, in-situ sputtering 500 dusts gold film on high-temperature superconducting thin film, superconducting transition temperature Tc 〉=90K, critical current density jc 〉=2 * 10
6A/ ㎝
2Make high temperature superconduction wave filter by technologies such as photoetching, dry etching, cuttings, wherein Yi Mian high-temperature superconducting thin film and golden film all keep, and as ground plane, another side is the high temperature superconduction wave filter circuit.The high temperature superconduction wave filter circuit is set on the described chip, and the high temperature superconduction wave filter circuit is made up of input interface, output interface resonator.
As shown in Figure 2, described waveguide-coaxial converter 1 is made up of waveguide input port 9, saturating Bomi sealing cover 10, welded flange 11, output SMA connector 12 and inner wire 13, saturating Bomi sealing cover 10 passes through laser welding with welded flange 11, welded flange 11 is welded on by argon arc welding on the outer wall of Dewar 5, and output SMA connector 12 links to each other with the input port of high temperature superconduction wave filter 6 by importing microwave cable 3.Saturating Bomi sealing cover adopting quartz glass 214 or quartz glass DM308.
The utility model integrates waveguide-coaxial converter 1, high temperature superconduction wave filter 6, low temperature amplifier 7, and volume is less; Working temperature is when 77K is following, it is in the S-band frequency range, noise temperature has only below the 20K, gain is better than 50dB, squareness factor below 2, the inhibition degree is more than 90dB, the vacuum degree of whole system can remain on below the 0.1Pa for a long time, noise temperature is low, squareness factor is high, inhibition degree height, can long-term static sealing.
Claims (6)
1. high-temperature superconductor receiving front-end waveguide switch, it is characterized in that: comprise waveguide-coaxial converter (1), its output links to each other with the input interface of high temperature superconduction wave filter (6) by input microwave cable (3), the output interface of high temperature superconduction wave filter (6) links to each other with the input interface of low temperature amplifier (7), the output interface of low temperature amplifier (7) links to each other with sealing SMA connector (2) by output microwave cable (4), input microwave cable (3), high temperature superconduction wave filter (6), low temperature amplifier (7) and output microwave cable (4) are sealed in the Dewar (5), and waveguide-coaxial converter (1) and sealing SMA connector (2) are installed on the outer wall of Dewar (5).
2. high-temperature superconductor receiving front-end waveguide switch according to claim 1 is characterized in that: a multicore hermetically sealed connector (8) and a CF sealing flange also are installed on the outer wall of described Dewar (5).
3. high-temperature superconductor receiving front-end waveguide switch according to claim 1, it is characterized in that: described waveguide-coaxial converter (1) is by waveguide input port (9), saturating Bomi sealing cover (10), welded flange (11), output SMA connector (12) and inner wire (13) are formed, saturating Bomi sealing cover (10) passes through laser welding with welded flange (11), welded flange (11) is welded on by argon arc welding on the outer wall of Dewar (5), and output SMA connector (12) links to each other with the input port of high temperature superconduction wave filter (6) by input microwave cable (3).
4. high-temperature superconductor receiving front-end waveguide switch according to claim 1 is characterized in that: described input microwave cable (3), output microwave cable (4) all adopt the stainless steel microwave cable.
5. high-temperature superconductor receiving front-end waveguide switch according to claim 1, it is characterized in that: described high temperature superconduction wave filter (6) is made up of chip and box body, described chip is welded on the bottom of box body by the indium sheet, and chip adopts magnesium oxide as substrate, and its thickness is 0.5mm; The high temperature superconduction wave filter circuit is set on the described chip, and the high temperature superconduction wave filter circuit is made up of input interface, output interface resonator.
6. high-temperature superconductor receiving front-end waveguide switch according to claim 5 is characterized in that: the material employing titanium alloy of described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734396 CN203071199U (en) | 2012-12-28 | 2012-12-28 | Waveguide converter for high-temperature superconductive reception front |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734396 CN203071199U (en) | 2012-12-28 | 2012-12-28 | Waveguide converter for high-temperature superconductive reception front |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071199U true CN203071199U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220734396 Expired - Lifetime CN203071199U (en) | 2012-12-28 | 2012-12-28 | Waveguide converter for high-temperature superconductive reception front |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071199U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887582A (en) * | 2014-03-14 | 2014-06-25 | 综艺超导科技有限公司 | Continuously adjustable superconductive filter system using upper computer to control multiple working modes |
| CN105355024A (en) * | 2015-12-02 | 2016-02-24 | 中北大学 | Wired extraction method and device for physical parameters of severe environment |
| CN109216858A (en) * | 2018-10-22 | 2019-01-15 | 郑州科之诚机床工具有限公司 | A kind of continuously adjustable super conductive filter, system and preparation method |
-
2012
- 2012-12-28 CN CN 201220734396 patent/CN203071199U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887582A (en) * | 2014-03-14 | 2014-06-25 | 综艺超导科技有限公司 | Continuously adjustable superconductive filter system using upper computer to control multiple working modes |
| CN103887582B (en) * | 2014-03-14 | 2016-05-18 | 综艺超导科技有限公司 | A kind of continuous adjustable superconducting System of PC control multi-operation mode |
| CN105355024A (en) * | 2015-12-02 | 2016-02-24 | 中北大学 | Wired extraction method and device for physical parameters of severe environment |
| CN109216858A (en) * | 2018-10-22 | 2019-01-15 | 郑州科之诚机床工具有限公司 | A kind of continuously adjustable super conductive filter, system and preparation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| CX01 | Expiry of patent term |