CN204362224U - KU wave band double-local-oscillator single-output IC design frequency demultiplier - Google Patents
KU wave band double-local-oscillator single-output IC design frequency demultiplier Download PDFInfo
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- CN204362224U CN204362224U CN201520025248.3U CN201520025248U CN204362224U CN 204362224 U CN204362224 U CN 204362224U CN 201520025248 U CN201520025248 U CN 201520025248U CN 204362224 U CN204362224 U CN 204362224U
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- 230000008054 signal transmission Effects 0.000 claims abstract description 22
- 230000009977 dual effect Effects 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a two local oscillator single output IC design frequency demultipliers of KU wave band belongs to satellite broadcast TV and satellite communication technical field, and it has solved the improper problem that causes the frequency drift and then lead to unable received program of the operation that prior art exists. The device comprises a horizontal signal transmission circuit, a vertical signal transmission circuit, a second-stage shared amplifier, a high-pass filter circuit, a mixing circuit, an intermediate-frequency first-stage amplifier, an intermediate-frequency second-stage amplifier, a first oscillator and a second oscillator; the utility model discloses reduced because of the improper frequency that causes of manual work floats and lead to the emergence of the unable problem of receiving of program, it has simplified production technology, gain height, low in noise and can receive simultaneously and export on a TV behind the frequency of level, perpendicular signal, supplies the user to independently select.
Description
Technical field
The utility model relates to a kind of KU band dual local oscillator list and exports IC design frequency demultiplier, belongs to satellite broadcasting television and satellite communication technology field.
Background technology
Traditional frequency demultiplier is by with the starting of oscillation of DR medium, manually adjusts frequency modulation, and people easily causes drift frequently for operation is improper, cause program to receive.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of KU band dual local oscillator list to export IC and designs frequency demultiplier, and what which solve that prior art exists thinks that operation is improper and cause that frequently float and then cause cannot the problem of program receiving.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of KU band dual local oscillator list exports IC and designs frequency demultiplier, comprises horizontal signal transmission circuit, vertical signal transmission circuit, the second level shares amplifier, high-pass filtering circuit, mixting circuit, intermediate frequency first order amplifier, intermediate frequency second level amplifier, the first oscillator and the second oscillator;
The second level shares amplifier, high-pass filtering circuit, mixting circuit, intermediate frequency first order amplifier, intermediate frequency second level amplifier connect successively, and the signal through the amplifier process of the intermediate frequency second level is exported by delivery;
The output of described horizontal signal transmission circuit, vertical signal transmission circuit shares amplifier respectively input conducting with the described second level is connected;
Described first oscillator is connected with described mixting circuit conducting respectively with described second oscillator.
Preferably, described horizontal signal transmission circuit comprises horizontally-polarized antenna, first phase modulation lines, the first amplification of prime signal and the bandwidth limiter that signal successively connects.
Preferably, described vertical signal transmission circuit comprises vertical polarized antenna, second phase modulation lines, the second amplification of prime signal and the bandwidth limiter that signal successively connects.
Preferably, the first prime signal amplification and strip width controller (23), the second prime signal amplification and strip width controller (24) are microwave field effect electric crystal.
Preferably, described first oscillator is 9750MHz oscillator, and the second described oscillator is 10600MHz oscillator.
Preferably, described delivery is F head.
Compared to existing technology, the beneficial effects of the utility model are:
The utility model replaces tradition DR medium starting of oscillation and manually adjust frequency modulation by integrated circuit (IC) starting of oscillation, decreases the frequency caused for operation is improper because of people and floats and the generation of the problem that causes program to receive, simplify production technology simultaneously.Its F head signal exports and exports for upright, is convenient to arrange.It is high that the utility model can also reach gain, the object that noise is extremely low.The utility model exports, for user from main separation on a TV by after the frequency that to receive level, vertical signal simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram that KU band dual local oscillator dual output IC of the present utility model designs frequency demultiplier.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of KU band dual local oscillator list exports IC and designs frequency demultiplier, comprise horizontal signal transmission circuit, vertical signal transmission circuit, the second level shares amplifier 40, high-pass filtering circuit 50, mixting circuit 60, intermediate frequency first order amplifier 70, intermediate frequency second level amplifier 80, first oscillator 90 and the second oscillator 91, in the present embodiment, described first oscillator 90 is 9750MHz oscillator, and the second described oscillator 91 is 10600MHz oscillator;
The second level shares amplifier 40, high-pass filtering circuit 50, mixting circuit 60, intermediate frequency first order amplifier 70, intermediate frequency second level amplifier 80 connect successively, signal through intermediate frequency second level amplifier process 80 is exported by delivery, in the present embodiment, delivery is delivery is F head, it is upright output, convenient arrangement;
The output of described horizontal signal transmission circuit, vertical signal transmission circuit shares amplifier 40 respectively input conducting with the described second level is connected;
Described first oscillator 90 is connected with the conducting of described mixting circuit 60 respectively with described second oscillator 91.
Described horizontal signal transmission circuit comprises horizontally-polarized antenna 10 that signal successively connects, first phase modulation lines 20, first prime signal amplifies and bandwidth limiter 30.
Described vertical signal transmission circuit comprises vertical polarized antenna 11 that signal successively connects, second phase modulation lines 21, second prime signal amplifies and bandwidth limiter 31.
First prime signal amplifies and strip width controller 30, second prime signal amplifies and strip width controller 31 is microwave field effect electric crystal.
The utility model receives horizontal polarization signals and perpendicular polarization signal simultaneously.When horizontally-polarized antenna 10 and vertical polarized antenna 11 receive the descending Ku band microwave signal of satellite television (Ku wave band horizontal signal and Ku wave band vertical signal), first be transferred to the first prime signal respectively by first phase modulation lines 10 and second phase modulation lines 11 amplify and strip width controller 30 and the second prime signal amplify and strip width controller 31 carries out noise reduction, amplifies process through this horizontally-polarized antenna 10 and vertical polarized antenna 11, common transport goes out to second level shared signal amplifier 40 afterwards; Then the Ku band microwave signal after amplifying process synthesizes by second level shared signal amplifier 40, and is transferred to high-pass filtering circuit 50 and carries out noise reduction, through noise reduction and the Ku band microwave Signal transmissions after amplifying process to mixting circuit 60; Then the local oscillated signal that the first oscillator 90 and the second oscillator 91 produce again is transferred to mixting circuit 60 in the lump with Ku band microwave signal and mixes, and be sent to intermediate frequency first order amplifier 70 after mixed signal is reduced to intermediate-freuqncy signal and carry out intermediate frequency amplification, signal after amplification is sent to intermediate frequency second level amplifier 80 and carries out the amplification of secondary intermediate frequency, finally, Signal transmissions is exported to F head.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.
Claims (6)
1. a KU band dual local oscillator list exports IC and designs frequency demultiplier, it is characterized in that, comprise horizontal signal transmission circuit, vertical signal transmission circuit, the second level shares amplifier, high-pass filtering circuit, mixting circuit, intermediate frequency first order amplifier, intermediate frequency second level amplifier, the first oscillator and the second oscillator;
The second level shares amplifier, high-pass filtering circuit, mixting circuit, intermediate frequency first order amplifier, intermediate frequency second level amplifier connect successively, and the signal through the amplifier process of the intermediate frequency second level is exported by delivery;
The output of described horizontal signal transmission circuit, vertical signal transmission circuit shares amplifier respectively input conducting with the described second level is connected;
Described first oscillator is connected with described mixting circuit conducting respectively with described second oscillator.
2. a kind of KU band dual local oscillator list according to claim 1 exports IC and designs frequency demultiplier, it is characterized in that, described horizontal signal transmission circuit comprises horizontally-polarized antenna, first phase modulation lines, the first amplification of prime signal and the bandwidth limiter that signal successively connects.
3. a kind of KU band dual local oscillator list according to claim 1 exports IC and designs frequency demultiplier, it is characterized in that, described vertical signal transmission circuit comprises vertical polarized antenna, second phase modulation lines, the second amplification of prime signal and the bandwidth limiter that signal successively connects.
4. a kind of KU band dual local oscillator list according to claim 1,2 or 3 exports IC and designs frequency demultiplier, it is characterized in that, the first prime signal amplifies and strip width controller (23), the second prime signal amplification and strip width controller (24) are microwave field effect electric crystal.
5. a kind of KU band dual local oscillator list according to claim 4 exports IC and designs frequency demultiplier, and it is characterized in that, described first oscillator is 9750MHz oscillator, and the second described oscillator is 10600MHz oscillator.
6. a kind of KU band dual local oscillator list according to claim 5 exports IC and designs frequency demultiplier, and it is characterized in that, described delivery is F head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025248.3U CN204362224U (en) | 2015-01-14 | 2015-01-14 | KU wave band double-local-oscillator single-output IC design frequency demultiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025248.3U CN204362224U (en) | 2015-01-14 | 2015-01-14 | KU wave band double-local-oscillator single-output IC design frequency demultiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204362224U true CN204362224U (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025248.3U Active CN204362224U (en) | 2015-01-14 | 2015-01-14 | KU wave band double-local-oscillator single-output IC design frequency demultiplier |
Country Status (1)
| Country | Link |
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| CN (1) | CN204362224U (en) |
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2015
- 2015-01-14 CN CN201520025248.3U patent/CN204362224U/en active Active
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| GR01 | Patent grant |