CN204103888U - A kind of laser controlling high-temperature superconductor switch of high-isolation - Google Patents
A kind of laser controlling high-temperature superconductor switch of high-isolation Download PDFInfo
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- CN204103888U CN204103888U CN201420507985.2U CN201420507985U CN204103888U CN 204103888 U CN204103888 U CN 204103888U CN 201420507985 U CN201420507985 U CN 201420507985U CN 204103888 U CN204103888 U CN 204103888U
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- temperature superconductor
- superconductor switch
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Abstract
The utility model relates to a kind of laser controlling high-temperature superconductor switch of high-isolation, comprises high-temperature superconductor switch chip, high-temperature superconductor switch box body, input SMA connector, exports SMA connector and visual laser source.Described high-temperature superconductor switch chips welding is in high-temperature superconductor switch box body.Described input SMA connector and output SMA connector are separately positioned on the two ends of high-temperature superconductor switch box body, and input SMA connector is connected with the input of high-temperature superconductor switch chip, exports SMA connector and is connected with the output of high-temperature superconductor switch chip.Described visual laser source is arranged on high-temperature superconductor and opens the light the middle part of box body.The wavelength of described visual laser source is 300nm ~ 800nm.Described high-temperature superconductor chip comprises substrate, altogether ground and transmission line.From above technical scheme, the utility model can significantly improve the response time of receiver, improves interchannel isolation and sensitivity.
Description
Technical field
The utility model relates to microwave technical field, is specifically related to a kind of laser controlling high-temperature superconductor switch of high-isolation.
Background technology
The microstrip switch of conventional microwave frequency band, primarily of PIN pipe composition, its isolation is general at below 30dB in wide frequency ranges, and large compared with insertion loss time wide at frequency band, is unfavorable for the raising of system cascade and receiver sensitivity.
Utility model content
The purpose of this utility model is the laser controlling high-temperature superconductor switch providing a kind of high-isolation, this high-temperature superconductor switch has that insertion loss is little, work strip is wide, isolation high, can coordinate with super conductive filter, superconduction receiving front-end and be used for the receiver front end such as electronic countermeasures, radar, the response time of receiver, interchannel isolation and sensitivity can be significantly improved.
For achieving the above object, the utility model have employed following technical scheme:
A laser controlling high-temperature superconductor switch for high-isolation, comprises high-temperature superconductor switch chip, high-temperature superconductor switch box body, input SMA connector, exports SMA connector and visual laser source.Because superconduction is almost harmless, and Q value is high.Therefore, the transmission line developed by superconductor has filter with low insertion loss characteristic.Take superconducting transmission line as chip, with the superconducting switch of laser controlling as novel control circuit electronic devices and components, its isolation in wide frequency ranges can improve more than 20dB, and Insertion Loss is little, it can coordinate with super conductive filter, superconduction receiving front-end and be used for the receiver front end such as electronic countermeasures, radar, replace traditional receivers front end, its low loss characteristic can significantly improve the sensitivity of receiver.
Specifically, described high-temperature superconductor switch chips welding is in high-temperature superconductor switch box body.Described input SMA connector and output SMA connector are separately positioned on the two ends of high-temperature superconductor switch box body, and input SMA connector is connected with the input of high-temperature superconductor switch chip, exports SMA connector and is connected with the output of high-temperature superconductor switch chip.Described visual laser source is arranged on high-temperature superconductor and opens the light the middle part of box body.The wavelength of described visual laser source is 300nm ~ 800nm.
Further, described high-temperature superconductor chip comprises substrate, altogether ground and transmission line.Described substrate adopts magnesium oxide material, and the thickness of substrate is 0.5mm.
Further, the distance between described visual laser source and high-temperature superconductor switch chip is 0.1mm ~ 0.5mm.
Further, described high-temperature superconductor switch box body adopts titanium alloy material.
Further, described input SMA connector is connected by the input of spun gold with high-temperature superconductor switch chip, and described output SMA connector is connected by the output of spun gold with high-temperature superconductor switch chip.
From above technical scheme, the utility model is by high-temperature superconductor switch chip, high-temperature superconductor switch box body, and input SMA connector and output SMA connector, visual laser source integrate formation superconducting switch; Working temperature is when below 77K, and characteristic impedance is 50 Ω; Below 10GHz frequency range, its insertion loss is less than 0.4dB, standing-wave ratio is less than 1.5, and isolation is greater than 50 dB, and switching speed is less than 10ns.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of high-temperature superconductor chip in the utility model.
Wherein:
1, SMA connector is inputted, 2, export SMA connector, 3, high-temperature superconductor switch box body, 4, high-temperature superconductor switch chip, 5, visual laser source, 6, substrate, 7, altogether ground, 8, transmission line.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The laser controlling high-temperature superconductor switch of a kind of high-isolation as shown in Figure 1, comprises high-temperature superconductor switch chip 4, high-temperature superconductor switch box body 3, input SMA connector 1, exports SMA connector 2 and visual laser source 5.Because superconduction is almost harmless, and Q value is high.Therefore, the transmission line developed by superconductor has filter with low insertion loss characteristic.Take superconducting transmission line as chip, with the superconducting switch of laser controlling as novel control circuit electronic devices and components, its isolation in wide frequency ranges can improve more than 20dB, and Insertion Loss is little, it can coordinate with super conductive filter, superconduction receiving front-end and be used for the receiver front end such as electronic countermeasures, radar, replace traditional receivers front end, its low loss characteristic can significantly improve the sensitivity of receiver.
Specifically, described high-temperature superconductor switch chip 4 is welded in high-temperature superconductor switch box body 3.High-temperature superconductor switch chip 4 is etched with the coplanar structure transmission line that high-temperature superconducting thin film is formed.Described input SMA connector 1 and output SMA connector 2 are separately positioned on the two ends of high-temperature superconductor switch box body 3, and input SMA connector 1 is connected with the input of high-temperature superconductor switch chip 4, exports SMA connector 2 and is connected with the output of high-temperature superconductor switch chip 4.Described visual laser source 5 is arranged on high-temperature superconductor and opens the light the middle part of box body 3.The wavelength of described visual laser source 5 is 300nm ~ 800nm.
Further, as shown in Figure 2, described high-temperature superconductor chip 4 comprises substrate 6, altogether ground 7 and transmission line 8.Described substrate 6 adopts magnesium oxide material, and the thickness of substrate 6 is 0.5mm.5000 dust high-temperature superconductor YBa2Cu3O7-Δ films in the sputtering of substrate two sides, in-situ sputtering 500 dust gold film on high-temperature superconducting thin film, superconducting transition temperature Tc >=90K, critical current density jc >=2 × 106A/ ㎝ 2; Make high-temperature superconductor switch chip by the technique such as photoetching, dry etching, cutting, wherein the high-temperature superconducting thin film of one side and golden film all retain, as ground plane; Another side is high-temperature superconductor switch circuit, and high-temperature superconductor switch circuit employing characteristic impedance is the tortuous coplanar structure of 50 Ω, is made up of substrate 6, altogether ground 7 and transmission line 8.
Further, the distance between described visual laser source 5 and high-temperature superconductor switch chip 4 is 0.1mm ~ 0.5mm.
Further, described high-temperature superconductor switch box body 3 adopts titanium alloy material.Described high-temperature superconductor switch chip 4 is welded on the bottom of high-temperature superconductor switch box body 3 by the thick indium sheet of 0.1mm.
Further, described input SMA connector 1 is connected by the input of spun gold with high-temperature superconductor switch chip 4, and described output SMA connector 2 is connected by the output of spun gold with high-temperature superconductor switch chip 4.
In sum, the utility model is by high-temperature superconductor switch chip, high-temperature superconductor switch box body, and input SMA connector and output SMA connector, visual laser source integrate formation superconducting switch; Working temperature is when below 77K, and characteristic impedance is 50 Ω; Below 10GHz frequency range, its insertion loss is less than 0.4dB, standing-wave ratio is less than 1.5, and isolation is greater than 50 dB, and switching speed is less than 10ns.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (5)
1. a laser controlling high-temperature superconductor switch for high-isolation, is characterized in that: comprise high-temperature superconductor switch chip (4), high-temperature superconductor switch box body (3), input SMA connector (1), export SMA connector (2) and visual laser source (5);
Described high-temperature superconductor switch chip (4) is welded in high-temperature superconductor switch box body (3);
Described input SMA connector (1) and output SMA connector (2) are separately positioned on the two ends of high-temperature superconductor switch box body (3), and input SMA connector (1) is connected with the input of high-temperature superconductor switch chip (4), exports SMA connector (2) and be connected with the output of high-temperature superconductor switch chip (4);
Described visual laser source (5) is arranged on high-temperature superconductor and opens the light the middle part of box body (3); The wavelength of described visual laser source (5) is 300nm ~ 800nm.
2. the laser controlling high-temperature superconductor switch of a kind of high-isolation according to claim 1, is characterized in that: described high-temperature superconductor chip (4) comprises substrate (6), altogether ground (7) and transmission line (8); Described substrate (6) adopts magnesium oxide material, and the thickness of substrate (6) is 0.5mm.
3. the laser controlling high-temperature superconductor switch of a kind of high-isolation according to claim 1, is characterized in that: the distance between described visual laser source (5) and high-temperature superconductor switch chip (4) is 0.1mm ~ 0.5mm.
4. the laser controlling high-temperature superconductor switch of a kind of high-isolation according to claim 1, is characterized in that: described high-temperature superconductor switch box body (3) adopts titanium alloy material.
5. the laser controlling high-temperature superconductor switch of a kind of high-isolation according to claim 1, it is characterized in that: described input SMA connector (1) is connected by the input of spun gold with high-temperature superconductor switch chip (3), described output SMA connector (1) is connected by the output of spun gold with high-temperature superconductor switch chip (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507985.2U CN204103888U (en) | 2014-09-04 | 2014-09-04 | A kind of laser controlling high-temperature superconductor switch of high-isolation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507985.2U CN204103888U (en) | 2014-09-04 | 2014-09-04 | A kind of laser controlling high-temperature superconductor switch of high-isolation |
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| CN204103888U true CN204103888U (en) | 2015-01-14 |
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| CN201420507985.2U Active CN204103888U (en) | 2014-09-04 | 2014-09-04 | A kind of laser controlling high-temperature superconductor switch of high-isolation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071491A1 (en) * | 2015-10-27 | 2017-05-04 | 龚炳新 | Light-controlled superconductor |
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2014
- 2014-09-04 CN CN201420507985.2U patent/CN204103888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071491A1 (en) * | 2015-10-27 | 2017-05-04 | 龚炳新 | Light-controlled superconductor |
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