CN109391276A - A kind of Frequency Adjustable high-temperature superconductor receiving front-end and application method - Google Patents
A kind of Frequency Adjustable high-temperature superconductor receiving front-end and application method Download PDFInfo
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- CN109391276A CN109391276A CN201811356036.8A CN201811356036A CN109391276A CN 109391276 A CN109391276 A CN 109391276A CN 201811356036 A CN201811356036 A CN 201811356036A CN 109391276 A CN109391276 A CN 109391276A
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- filter
- conductive filter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The invention discloses a kind of Frequency Adjustable high-temperature superconductor receiving front-end and application methods, comprising: microwave switch A, microwave switch B, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, agc circuit, microwave low temperature input module, super conductive filter A, low temperature low noise amplifier, super conductive filter B, super conductive filter C, super conductive filter D, microwave low temperature output precision, vacuum dewar, refrigeration machine, control power supply.By using vacuum dewar, refrigeration machine and control power supply, the working environment of high-temperature superconductor is provided for the RF Components such as super conductive filter and low temperature low noise amplifier, it is substantially reduced the noise coefficient of system and improves Out-of-band rejection, solve the problems, such as that Conventional tunable frequency microwave receiving front end is difficult to have both highly sensitive and high anti-jamming capacity.
Description
Technical field
The present invention relates to a kind of Frequency Adjustable high-temperature superconductor receiving front-end and application methods.
Background technique
Frequency Adjustable microwave receiving front end is widely used in modern wireless communication systems, passes through dynamic select communications band and letter
Road can efficiently use frequency spectrum resource, while achieving the purpose that reduce size and reducing cost.Traditional Frequency Adjustable microwave receiving
Front end is made of the adjustable filter and amplification module of room temperature, frequency mixer and intermediate frequency amplification filter module, and microwave signal is received by antenna
Afterwards, frequency selection is carried out through the adjustable filter and amplification module of room temperature, obtains intermediate-freuqncy signal after mixed, pass through intermediate frequency amplification, filtering
And signal processing circuit is transmitted to after power adjustment processing.Conventional tunable filter and amplification module is located at the front end of system, difficult
To meet highly sensitive and high anti-jamming capacity characteristic simultaneously.
Summary of the invention
It is an object of that present invention to provide a kind of Frequency Adjustable high-temperature superconductor receiving front-ends, solve traditional Frequency Adjustable microwave receiving
Front end can not meet the problem of highly sensitive and high anti-jamming capacity simultaneously.
In view of this, present invention provide the technical scheme that a kind of Frequency Adjustable high-temperature superconductor receiving front-end, feature exist
In, comprising: microwave switch A, microwave switch B, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, agc circuit, the input of microwave low temperature
Component, super conductive filter A, low temperature low noise amplifier, superconducting filter unit, microwave low temperature output precision, Frequency Adjustable high-temperature superconductor
Receiving front-end input signal is connect with the input terminal of microwave low temperature input module, the output end of microwave low temperature input module and superconduction
The input terminal of filter A connects, and the output end of super conductive filter A is connect with the input terminal of low temperature low noise amplifier, low temperature low noise
The output end of amplifier is connect with the input terminal of microwave switch A, the output end of microwave switch A and the input terminal of superconducting filter unit
Connection, the output end of superconducting filter unit are connect with the input terminal of microwave switch B, the output end and low-temperature microwave of microwave switch B
The input terminal of output precision connects.
Another object of the present invention is to provide a kind of application method of Frequency Adjustable high-temperature superconductor receiving front-end, feature exists
In, comprising: signal is put through low-temperature microwave input module insulation transmission, through super conductive filter A filtering, through low temperature low noise amplifier
Greatly, output signal is selected through microwave switch A, is carried out frequency selection by superconducting filter unit, is selected through microwave switch B, through low
The insulation transmission of temperature microwave output precision, exports intermediate-freuqncy signal through frequency mixer, amplifies through intermediate frequency amplifier, intermediate-frequency filter filtering,
Output is transmitted to signal processing circuit after carrying out power adjustment to agc circuit.
The present invention realize it is following significant the utility model has the advantages that
Structure is simple, the Frequency Adjustable high-temperature superconductor receiving front-end, by low-temperature microwave in-out box, superconducting filter
Device, low temperature low noise amplifier, microwave switch constitute high-temperature superconductor Frequency Adjustable filter and amplification module, and are shut out by refrigeration machine, vacuum
Watt with control power supply provide high-temperature superconductor Frequency Adjustable filter and amplification module working environment.In conjunction with super conductive filter insertion loss
Small, Out-of-band rejection is high and the advantages such as the small, high gain of low temperature low noise amplifier noise coefficient, and it is low that super conductive filter is placed in low temperature
It makes an uproar amplifier front-end, system is made to be provided simultaneously with the highly sensitive characteristic with high anti-jamming capacity.
Detailed description of the invention
Fig. 1 is a kind of structural representation applied to Frequency Adjustable high-temperature superconductor receiving front-end of one embodiment of the present of invention
Figure.Wherein, 1. low-temperature microwave input module, 2. super conductive filter A, 3. low temperature low noise amplifier, 4. microwave switch A, 5. superconduction
9. low-temperature microwave output precision of filter B 6. super conductive filter C, 7. super conductive filter D, 8. microwave switch B, 10. frequency mixer
11. 12. 14. vacuum dewar of intermediate-frequency filter 13.AGC circuit of intermediate frequency amplifier, 15. refrigeration machine 16. controls power supply
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, is wanted according to following explanation and right
Book is sought, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and is applicable in
Non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
It should be noted that present invention spy is for multiple embodiments with further in order to clearly demonstrate the contents of the present invention
Illustrate different implementations of the invention, wherein multiple embodiment is enumeration and non-exhaustive.In addition, in order to illustrate
Succinctly, the content having been mentioned in preceding embodiment is often omitted in rear embodiment, therefore, unmentioned interior in rear embodiment
Appearance can accordingly refer to preceding embodiment.
Although the invention can modification in a variety of forms and replacement extend, also listed in specification some specific
Implement legend and is described in detail.It should be understood that the starting point of inventor is not that the invention is limited to illustrated spy
Determine embodiment, antithesis, the starting point of inventor is to protect in all spirit or scope given and defined by this rights statement
The improvement of progress, equivalent alterations and modifications.Same component number is likely to be used for all attached drawings to represent identical or class
As part.
Please refer to Fig. 1, a kind of Frequency Adjustable high-temperature superconductor receiving front-end characterized by comprising microwave switch A4, microwave
Switch B8, frequency mixer 10, intermediate frequency amplifier 11, intermediate-frequency filter 12, agc circuit 13, microwave low temperature input module 1, superconduction filter
Wave device A2, low temperature low noise amplifier 3, superconducting filter unit, microwave low temperature output precision 9, Frequency Adjustable high-temperature superconductor receiving front-end
Input signal is connect with the input terminal of microwave low temperature input module 1, the output end and super conductive filter of microwave low temperature input module 1
The input terminal of A2 connects, and the output end of super conductive filter A2 is connect with the input terminal of low temperature low noise amplifier 3, the amplification of low temperature low noise
The output end of device 3 is connect with the input terminal of microwave switch A4, the output end of microwave switch A4 and the input terminal of superconducting filter unit
Connection, the output end of superconducting filter unit are connect with the input terminal of microwave switch B8, and the output end and low temperature of microwave switch B8 is micro-
The input terminal of wave output precision 9 connects.
In one embodiment, the superconducting filter unit includes at least two super conductive filters parallel with one another.
In one embodiment, the super conductive filter parallel with one another includes super conductive filter B5, super conductive filter C6
With super conductive filter D7, the input terminal of the output end of the microwave switch A4 and super conductive filter B5, super conductive filter C6 it is defeated
Enter end and the input terminal of super conductive filter D7 is correspondingly connected with, the output end of the output end of super conductive filter B5, super conductive filter C6
It is connect respectively with the input terminal of microwave switch B8 with the output end of super conductive filter D7.
In one embodiment, the output end of the low-temperature microwave output precision 9 is connect with the input terminal of frequency mixer 10, is mixed
The output end of frequency device 10 is connect with the input terminal of intermediate frequency amplifier 11, output end and the intermediate-frequency filter 12 of intermediate frequency amplifier 11
Input terminal connection, the output end of intermediate-frequency filter 12 are connect with the input terminal of agc circuit 13, receive signal by agc circuit 13
Output end is transmitted to signal processing circuit.
In one embodiment, the low-temperature microwave input module 1 passes through ring flange with low-temperature microwave output precision 9 respectively
It is fixedly linked with soket head cap screw and vacuum dewar 14.
In one embodiment, the super conductive filter A2, low temperature low noise amplifier 3, microwave switch A4, super conductive filter
B5, super conductive filter C6, super conductive filter D7, microwave switch B4 are integrated in a shielding box body, by screw, press strip, cold
Disk is connected with the cold finger of refrigeration machine 15.
In one embodiment, the super conductive filter B5, super conductive filter C6, super conductive filter D7 are mutual by parting bead
Isolation.
In one embodiment, further include control power supply 16, the control power supply 16 respectively to low temperature low noise amplifier 3,
Microwave switch A4, microwave switch B8, intermediate frequency amplifier 11, agc circuit 13 are powered and control with refrigeration machine 15.
The present invention also provides a kind of application methods of Frequency Adjustable high-temperature superconductor receiving front-end, comprising: signal is through low-temperature microwave
The insulation of input module 1 transmission is amplified through super conductive filter A2 filtering, through low temperature low noise amplifier 3, and output signal is through microwave switch
A4 selection carries out frequency selection by superconducting filter unit, selects through microwave switch B8, is insulated through low-temperature microwave output precision 9
Transmission exports intermediate-freuqncy signal through frequency mixer 10, amplifies through intermediate frequency amplifier 11, and intermediate-frequency filter 12 filters, output to agc circuit
Signal processing circuit is transmitted to after 13 progress power adjustments.
In one embodiment, it is described by superconducting filter unit carry out frequency selection include by super conductive filter B5,
One of super conductive filter C6, tri- tunnel super conductive filter D7 carry out frequency selection.
In one embodiment, the vacuum dewar 14 and refrigeration machine 15 are Frequency Adjustable high-temperature superconductor receiving front-end subsystem
Vacuum-packed low-temperature working environment is provided.
As specific embodiment, a kind of Frequency Adjustable high-temperature superconductor receiving front-end of one embodiment of the present of invention, comprising:
Microwave switch A4, microwave switch B8, frequency mixer 10, intermediate frequency amplifier 11, intermediate-frequency filter 12, agc circuit 13.It is characterized in that
Further include: microwave low temperature input module 1, super conductive filter A2, low temperature low noise amplifier 3, super conductive filter B5, super conductive filter
C6, super conductive filter D7, microwave low temperature output precision 8, vacuum dewar 14, refrigeration machine 15 and control power supply 16.
In one embodiment, Frequency Adjustable high-temperature superconductor receiving front-end input signal and microwave low temperature input module 1 is defeated
Enter end connection, the output end of microwave low temperature input module 1 is connect with the input terminal of super conductive filter A2, and super conductive filter A2's is defeated
Outlet is connect with the input terminal of low temperature low noise amplifier 3, the output end of low temperature low noise amplifier 3 and the input terminal of microwave switch A4
Connection, the output end of microwave switch A4 respectively with the input terminal of super conductive filter B5, the input terminal of super conductive filter C6 and superconduction
The input terminal of filter D 7 is correspondingly connected with, the output end and superconducting filter of the output end of super conductive filter B5, super conductive filter C6
Input terminal of the output end of device D7 respectively with microwave switch B8 is correspondingly connected with, and the output end and low-temperature microwave of microwave switch B8 exports
The input terminal of component 9 connects, and the output end of low-temperature microwave output precision 9 is connect with the input terminal of frequency mixer 10, frequency mixer 10
Output end is connect with the input terminal of intermediate frequency amplifier 11, and the output end of intermediate frequency amplifier 11 and the input terminal of intermediate-frequency filter 12 connect
It connects, the output end of intermediate-frequency filter 12 is connect with the input terminal of agc circuit 13, is received signal and is passed by the output end of agc circuit 13
It is delivered to signal processing circuit.
In one embodiment, the low-temperature microwave input module 1 and low-temperature microwave output precision 9 pass through flange respectively
Disk is fixedly linked with soket head cap screw and vacuum dewar 14, and the super conductive filter A2, low temperature low noise amplifier 3, microwave are opened
It closes A4, super conductive filter B5, super conductive filter C6, super conductive filter D7, microwave switch B8 to be integrated in a shielding box body, lead to
It crosses screw, press strip, cold dish to be connected with the cold finger of refrigeration machine 15, the super conductive filter B5, super conductive filter C6, superconducting filter
Device D7 is mutually isolated by parting bead.
When work, signal is filtered, through the insulation of low-temperature microwave input module 1 transmission, through super conductive filter A2 through low temperature low noise
Amplifier 3 amplifies, and output signal is selected through microwave switch A4, passes through super conductive filter B5, super conductive filter C6, super conductive filter
One of tri- tunnel D7 carries out frequency selection, selects through microwave switch B8, and signal is insulated through low-temperature microwave output precision 9 and transmits, through mixed
Frequency device 10 exports intermediate-freuqncy signal, amplifies through intermediate frequency amplifier 11, and intermediate-frequency filter 12 filters, and output to agc circuit 13 carries out function
Signal processing circuit is transmitted to after rate adjustment.
In one embodiment, the vacuum dewar 14 and refrigeration machine 15 are Frequency Adjustable high-temperature superconductor receiving front-end subsystem
System provides vacuum-packed low-temperature working environment, and the control power supply 16 is respectively to low temperature low noise amplifier 3, microwave switch
A4, microwave switch B8, intermediate frequency amplifier 12, agc circuit 13 are powered and control with refrigeration machine 15.
In one embodiment, the input of Frequency Adjustable high-temperature superconductor receiving front-end input signal and microwave low temperature input module
End connection, the output end of microwave low temperature input module are connect with the input terminal of super conductive filter A, the output end of super conductive filter A
It is connect with the input terminal of low temperature low noise amplifier, the output end of low temperature low noise amplifier is connect with the input terminal of microwave switch A, micro-
The output end of wave switch A respectively with the input terminal of super conductive filter B, super conductive filter C input terminal and super conductive filter D it is defeated
Enter end to be correspondingly connected with, the output end of the output end of super conductive filter B, the output end of super conductive filter C and super conductive filter D is distinguished
It being correspondingly connected with the input terminal of microwave switch B, the output end of microwave switch B is connect with the input terminal of low-temperature microwave output precision,
The output end of low-temperature microwave output precision and the input terminal of frequency mixer connect, the input of the output end and intermediate frequency amplifier of frequency mixer
End connection, the output end of intermediate frequency amplifier and the input terminal of intermediate-frequency filter connect, the output end and agc circuit of intermediate-frequency filter
Input terminal connection, receive signal and signal processing circuit be transmitted to by the output end of agc circuit.
In one embodiment, the low-temperature microwave input module and low-temperature microwave output precision pass through ring flange respectively
It is fixedly linked with soket head cap screw and vacuum dewar, the super conductive filter A, low temperature low noise amplifier, microwave switch A, surpasses
Waveguide filter B, super conductive filter C, super conductive filter D, microwave switch B are integrated in a shielding box body, pass through screw, pressure
Item, cold dish are connected with the cold finger of refrigeration machine, and the super conductive filter B, super conductive filter C, super conductive filter D pass through parting bead phase
Mutually isolation.
The invention further relates to a kind of working method of Frequency Adjustable high-temperature superconductor receiving front-end, apply described above adjustable
Frequency high-temperature superconductor receiving front-end.
When work, signal is filtered, through low-temperature microwave input module insulation transmission, through super conductive filter A through low temperature low noise
Big device amplification, output signal are selected through microwave switch A, pass through super conductive filter B, super conductive filter C, tri- tunnel super conductive filter D
One of carry out frequency selection, selected through microwave switch B, signal through low-temperature microwave output precision be insulated transmit, exported through frequency mixer
Intermediate-freuqncy signal is amplified through intermediate frequency amplifier, and intermediate-frequency filter filtering, output to agc circuit is transmitted to letter after carrying out power adjustment
Number processing circuit.
Further, the vacuum dewar provides vacuum with refrigeration machine for Frequency Adjustable high-temperature superconductor receiving front-end subsystem
The low-temperature working environment of sealing, the control power supply respectively to low temperature low noise amplifier, microwave switch A, microwave switch B, in
Audio amplifier, agc circuit and refrigeration machine are powered and control.
The present invention realize it is following significant the utility model has the advantages that
Structure is simple, the Frequency Adjustable high-temperature superconductor receiving front-end, by low-temperature microwave in-out box, superconducting filter
Device, low temperature low noise amplifier, microwave switch constitute high-temperature superconductor Frequency Adjustable filter and amplification module, and are shut out by refrigeration machine, vacuum
Watt with control power supply provide high-temperature superconductor Frequency Adjustable filter and amplification module working environment.In conjunction with super conductive filter insertion loss
Small, Out-of-band rejection is high and the advantages such as the small, high gain of low temperature low noise amplifier noise coefficient, and it is low that super conductive filter is placed in low temperature
It makes an uproar amplifier front-end, system is made to be provided simultaneously with the highly sensitive characteristic with high anti-jamming capacity.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is not departing under design spirit of the invention, it is made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Frequency Adjustable high-temperature superconductor receiving front-end characterized by comprising microwave switch A (4), microwave switch B (8), mix
Frequency device (10), intermediate frequency amplifier (11), intermediate-frequency filter (12), agc circuit (13), microwave low temperature input module (1), superconduction filter
Wave device A (2), low temperature low noise amplifier (3), superconducting filter unit, microwave low temperature output precision (9), Frequency Adjustable high-temperature superconductor connect
Receive front end input signal connect with the input terminal of microwave low temperature input module (1), the output end of microwave low temperature input module (1) and
The input terminal of super conductive filter A (2) connects, the output end of super conductive filter A (2) and the input terminal of low temperature low noise amplifier (3)
Connection, the output end of low temperature low noise amplifier (3) are connect with the input terminal of microwave switch A (4), the output end of microwave switch A (4)
It is connect with the input terminal of superconducting filter unit, the output end of superconducting filter unit is connect with the input terminal of microwave switch B (8), micro-
The output end of wave switch B (8) is connect with the input terminal of low-temperature microwave output precision (9).
2. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 1, it is characterised in that: the superconducting filter list
Member includes at least two super conductive filters parallel with one another.
3. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 2, it is characterised in that: described parallel with one another
Super conductive filter includes super conductive filter B (5), super conductive filter C (6) and super conductive filter D (7), the microwave switch A (4)
Output end and the input terminal of super conductive filter B (5), the input terminal of super conductive filter C (6) and super conductive filter D (7) input
End is correspondingly connected with, the output end of super conductive filter B (5), super conductive filter C (6) output end and super conductive filter D (7) it is defeated
Outlet is connect with the input terminal of microwave switch B (8) respectively.
4. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 3, which is characterized in that the low-temperature microwave is defeated
The output end of component (9) is connect with the input terminal of frequency mixer (10) out, the output end of frequency mixer (10) and intermediate frequency amplifier (11)
Input terminal connection, the output end of intermediate frequency amplifier (11) connect with the input terminal of intermediate-frequency filter (12), intermediate-frequency filter
(12) output end is connect with the input terminal of agc circuit (13), is received signal by the output end of agc circuit (13) and is transmitted to signal
Processing circuit.
5. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 1, it is characterised in that: the low-temperature microwave is defeated
Enter component (1) and low-temperature microwave output precision (9) respectively by ring flange and soket head cap screw and vacuum dewar (14) stationary phase
Even.
6. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 3, it is characterised in that: the super conductive filter
A (2), low temperature low noise amplifier (3), microwave switch A (4), super conductive filter B (5), super conductive filter C (6), super conductive filter D
(7), microwave switch B (4) is integrated in a shielding box body, passes through the cold finger phase of screw, press strip, cold dish and refrigeration machine (15)
Even.
7. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 3, which is characterized in that the super conductive filter
B (5), super conductive filter C (6), super conductive filter D (7) are mutually isolated by parting bead.
8. a kind of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 1, which is characterized in that further include control power supply
(16), the control power supply (16) respectively puts low temperature low noise amplifier (3), microwave switch A (4), microwave switch B (8), intermediate frequency
Big device (11), agc circuit (13) are powered and control with refrigeration machine (15).
9. a kind of application method of Frequency Adjustable high-temperature superconductor receiving front-end characterized by comprising signal is inputted through low-temperature microwave
Component (1) insulation transmission is amplified through super conductive filter A (2) filtering, through low temperature low noise amplifier (3), and output signal is opened through microwave
A (4) selection is closed, frequency selection is carried out by superconducting filter unit, is selected through microwave switch B (8), through low-temperature microwave output precision
(9) insulation transmission exports intermediate-freuqncy signal through frequency mixer (10), amplifies through intermediate frequency amplifier (11), intermediate-frequency filter (12) filtering,
Output is transmitted to signal processing circuit after carrying out power adjustment to agc circuit (13).
10. the application method of Frequency Adjustable high-temperature superconductor receiving front-end according to claim 9, which is characterized in that described logical
Crossing superconducting filter unit and carrying out frequency selection includes by super conductive filter B (5), super conductive filter C (6), super conductive filter D
One of (7) three tunnels carry out frequency selection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356036.8A CN109391276A (en) | 2018-11-15 | 2018-11-15 | A kind of Frequency Adjustable high-temperature superconductor receiving front-end and application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356036.8A CN109391276A (en) | 2018-11-15 | 2018-11-15 | A kind of Frequency Adjustable high-temperature superconductor receiving front-end and application method |
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| CN109391276A true CN109391276A (en) | 2019-02-26 |
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| CN201811356036.8A Pending CN109391276A (en) | 2018-11-15 | 2018-11-15 | A kind of Frequency Adjustable high-temperature superconductor receiving front-end and application method |
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| CN1498441A (en) * | 2001-03-26 | 2004-05-19 | Filter network combining non-superconducting and superconducting filters | |
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| CN103746712A (en) * | 2013-12-24 | 2014-04-23 | 中国电子科技集团公司第十六研究所 | High-temperature superconducting receiver front-end device in space |
| CN204103905U (en) * | 2014-09-04 | 2015-01-14 | 中国电子科技集团公司第十六研究所 | A kind of C-band high-temperature superconductor receiving front-end |
| CN205039805U (en) * | 2015-09-30 | 2016-02-17 | 广州海格通信集团股份有限公司 | End device before shortwave is received |
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- 2018-11-15 CN CN201811356036.8A patent/CN109391276A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498441A (en) * | 2001-03-26 | 2004-05-19 | Filter network combining non-superconducting and superconducting filters | |
| JP2006191434A (en) * | 2005-01-07 | 2006-07-20 | Hitachi Kokusai Electric Inc | Radio equipment |
| CN203071871U (en) * | 2012-12-28 | 2013-07-17 | 中国电子科技集团公司第十六研究所 | Multi-channel channelization superconductivity filter and amplification switch assembly |
| CN103746712A (en) * | 2013-12-24 | 2014-04-23 | 中国电子科技集团公司第十六研究所 | High-temperature superconducting receiver front-end device in space |
| CN204103905U (en) * | 2014-09-04 | 2015-01-14 | 中国电子科技集团公司第十六研究所 | A kind of C-band high-temperature superconductor receiving front-end |
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