CN103259990B - A kind of four local oscillator lists export Ku wave band tuner - Google Patents
A kind of four local oscillator lists export Ku wave band tuner Download PDFInfo
- Publication number
- CN103259990B CN103259990B CN201310120135.7A CN201310120135A CN103259990B CN 103259990 B CN103259990 B CN 103259990B CN 201310120135 A CN201310120135 A CN 201310120135A CN 103259990 B CN103259990 B CN 103259990B
- Authority
- CN
- China
- Prior art keywords
- circuit
- pass filter
- mixer
- intermediate frequency
- band pass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Superheterodyne Receivers (AREA)
Abstract
The invention discloses a kind of four local oscillator lists and export Ku wave band tuner, comprise V circuit (1), H circuit (2), total synthetic line (3).The present invention adopts vertical by satellite, horizontal polarization signals is divided into V circuit, H circuit processes respectively, V circuit and H circuit set up separately again separately two parallel, VG circuit is formed respectively by four local oscillators, VD circuit and HG circuit, HD circuit four tunnel superhet amplification treatment circuit, the V mixer of respective superhet amplification treatment circuit after respectively affiliated signal being processed again belonging to V circuit and V2 intermediate frequency amplifier, H mixer belonging to H circuit and H2 intermediate frequency amplifier close road and amplify, again close road through the Z mixer of total synthetic line and Z intermediate frequency amplifier again and amplify the technical scheme exported, overcoming prior art, to there is gain low, the problems and shortcomings that noise is high, the Ku wave band tuner of single cable transmission is made to reach raising gain, reduce the object of noise.
Description
Technical field
The present invention relates to a kind of tuner receiving Ku waveband radio frequency signal, specifically refer to and be contained on ground satellite antenna, the one four local oscillator list for receiving geostatic telecommunications satellite Ku waveband radio frequency signal list cable transmission exports Ku wave band tuner.
Background technology
The Ku wave band tuner device of prior art is made up of two low noise amplifiers, two band pass filters, two local oscillators, two frequency mixers, three intermediate frequency amplifiers, mixers, the horizontal polarization signals and perpendicular polarization signal that receive satellite are divided into two process circuit, every road signal first amplifies process by low noise amplification, bandpass filtering, mixing and first order intermediate frequency, afterwards, two road He Lu, close road signal and are exported by single cable through the amplification of second level intermediate frequency again; Because each process circuit is amplified by means of only a bandpass filtering and two-stage intermediate frequency the signal received, the signal gain thus exported is low, noise is high, and therefore, prior art exists the problems and shortcomings that gain is low, noise is high.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts and the perpendicular polarization signal of satellite and horizontal polarization signals is divided into V circuit, H circuit two circuits process respectively, wherein, V circuit and H circuit set up separately again separately two parallel, VG circuit is formed respectively by four local oscillators, VD circuit and HG circuit, HD circuit four tunnel superhet amplification treatment circuit, respective superhet amplification treatment circuit carries out filtering to affiliated signal respectively, difference frequency, amplify process, afterwards, V mixer again respectively belonging to V circuit and V2 intermediate frequency amplifier, H mixer belonging to H circuit and H2 intermediate frequency amplifier close road and amplify, again close road through the Z mixer of total synthetic line and Z intermediate frequency amplifier again and amplify the technical scheme exported, a kind of four local oscillator lists are provided to export Ku wave band tuner, be intended to make the Ku wave band tuner of single cable transmission to reach raising gain, reduce the object of noise.
The object of the present invention is achieved like this: a kind of four local oscillator lists export Ku wave band tuner, comprise V circuit, H circuit, total synthetic line, wherein: described V circuit is comprise V low noise amplifier, VG circuit and the circuit of VD circuit for processing perpendicular polarization signal, perpendicular polarization signal enters two superhet amplifying circuits that are parallel, that be called VG circuit and VD circuit simultaneously and carries out filtering, difference frequency, amplification process after V low noise amplifier amplifies; Wherein, described VG circuit is made up of VG1 band pass filter, VG frequency mixer, VG local oscillator, VG1 intermediate frequency amplifier, VG2 band pass filter, from the beginning to the end, described VG1 band pass filter, VG frequency mixer, VG1 intermediate frequency amplifier are connected with VG2 band pass filter, and described VG frequency mixer is also connected with described VG local oscillator; Described VD circuit is made up of VD1 band pass filter, VD frequency mixer, VD local oscillator, VD intermediate frequency amplifier, VD2 band pass filter, from the beginning to the end, described VD1 band pass filter, VD frequency mixer, VD intermediate frequency amplifier are connected with VD2 band pass filter, and described VD frequency mixer is also connected with described VD local oscillator; Afterwards, after VG circuit and VD circuit process Hou bis-tunnel perpendicular polarization signal are amplified by the conjunction road of V mixer and V2 intermediate frequency amplifier again, V road signal is obtained;
Described H circuit is by H low noise amplifier, the circuit for processing horizontal polarization signals of HG circuit and HD railway superstructures, horizontal polarization signals enter after H low noise amplifier amplifies simultaneously two parallel, the superhet amplifying circuit being called HG circuit and HD circuit carries out filtering, difference frequency, amplify process, wherein, described HG circuit is by HG1 band pass filter, HG frequency mixer, HG local oscillator, HG intermediate frequency amplifier, HG2 low pass filter is formed, from the beginning to the end, described HG1 band pass filter, HG frequency mixer, HG intermediate frequency amplifier, HG2 low pass filter series winding connects, described HG frequency mixer is also connected with described HG local oscillator, described HD circuit is made up of HD1 band pass filter, HD frequency mixer, HD local oscillator, HD intermediate frequency amplifier, HD2 high pass filter, from the beginning to the end, described HD1 band pass filter, HD frequency mixer, HD intermediate frequency amplifier, HD2 high pass filter series winding connects, and described HD frequency mixer is also connected with described HD local oscillator, afterwards, after HG circuit and HD circuit process Hou bis-road horizontal polarization signals are amplified by the conjunction road of H mixer and H2 intermediate frequency amplifier again, H road signal is obtained,
Described total synthetic line is for comprising Z mixer, Z intermediate frequency amplifier, Z output, the circuit exported is amplified for described V road signal and H road signal being carried out close road, described V road signal is connected with the input of Z mixer respectively with H road signal, from the beginning to the end, described Z mixer, Z intermediate frequency amplifier are connected with Z output;
Described V low noise amplifier, H low noise amplifier are GaAs low noise amplifier;
Described VG1 band pass filter is the microstripline filter of bandwidth 11.704 ~ 11.941GHz;
Described VG frequency mixer, VD frequency mixer, HG frequency mixer, HD frequency mixer are the passive-type frequency mixer be made up of double diode;
Described V mixer, H mixer, Z mixer are two enter the two-way that outes and close road electronic device;
Described VG local oscillator is the ceramic resonator that the natural frequency of vibration is adjusted to 13.435GHz;
Described VG intermediate frequency amplifier, VD intermediate frequency amplifier, V2 intermediate frequency amplifier, HG intermediate frequency amplifier, HD intermediate frequency amplifier, H2 intermediate frequency amplifier, Z intermediate frequency amplifier are intermediate frequency amplifier;
Described VG2 band pass filter is that the band of bandwidth 1494 ~ 1731MHz leads to ceramic filter;
Described VD1 band pass filter is the microstripline filter of bandwidth 11.0105 ~ 11.0675GHz;
Described VD local oscillator is the ceramic resonator that the natural frequency of vibration is adjusted to 12.86GHz;
Described VD2 band pass filter is that the band of bandwidth 1792.5 ~ 1849.5MHz leads to ceramic filter;
Described HG1 band pass filter is the microstripline filter of bandwidth 11.704 ~ 12.188GHz;
Described HG local oscillator is the ceramic resonator that the natural frequency of vibration is adjusted to 13.138GHz;
Described HG2 low pass filter is the low pass ceramic filter of 950 ~ 1434MHz passage;
Described HD1 band pass filter is the microstripline filter of bandwidth 10.9625 ~ 11.1995GHz;
Described HD local oscillator is the ceramic resonator that the natural frequency of vibration is adjusted to 13.112GHz;
Described HD2 high pass filter is the high pass ceramic filter of 1912.5 ~ 2149.5MHz passage;
Described Z output is the interface of stube cable.
Operation principle and beneficial effect
This device is provided with and forms VG circuit respectively by four local oscillators, VD circuit and HG circuit, HD circuit four tunnel superhet amplification treatment circuit, by V circuit and H circuit, the perpendicular polarization signal of the satellite after difference low noise is amplified and horizontal polarization signals, again respectively through four tunnel superhet amplification treatment circuits, carry out filtering, mixing, Frequency differential amplifying, the superhet first order intermediate frequency of filtering amplifies process again, by respectively by four tunnels process after perpendicular polarization signal and horizontal polarization signals, respective conjunction road obtains V road signal and H road signal respectively after second level intermediate frequency amplifies, again V road signal and H road signal are closed road by total synthetic line afterwards to export after third level intermediate frequency amplifies, the Ku wave band tuner of single cable transmission is made to further increase gain, reduce noise.
Above-mentioned, the present invention adopts and the perpendicular polarization signal of satellite and horizontal polarization signals is divided into V circuit, H circuit two circuits process respectively, wherein, V circuit and H circuit set up separately again separately two parallel, VG circuit is formed respectively by four local oscillators, VD circuit and HG circuit, HD circuit four tunnel superhet amplification treatment circuit, respective superhet amplification treatment circuit carries out filtering to affiliated signal respectively, difference frequency, amplify process, afterwards, V mixer again respectively belonging to V circuit and V2 intermediate frequency amplifier, H mixer belonging to H circuit and H2 intermediate frequency amplifier close road and amplify, again close road through the Z mixer of total synthetic line and Z intermediate frequency amplifier again and amplify the technical scheme exported, overcoming prior art, to there is gain low, the problems and shortcomings that noise is high, institute provides a kind of four local oscillator lists export Ku wave band tuner, the Ku wave band tuner of single cable transmission is made to reach raising gain, reduce the object of noise.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram that a kind of four local oscillator lists of the present invention export Ku wave band tuner.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: V circuit 1, perpendicular polarization signal 11, V low noise amplifier 12, VG circuit 01, VG1 band pass filter 13, VG frequency mixer 131, VG local oscillator 132, VG intermediate frequency amplifier 133, VG2 band pass filter 134, VD circuit 02, VD1 band pass filter 14, VD frequency mixer 141, VD local oscillator 142, VD intermediate frequency amplifier 143, VD2 band pass filter 144, V mixer 15, V2 intermediate frequency amplifier 16, H circuit 2, horizontal polarization signals 21, H low noise amplifier 22, HG circuit 03, HG1 band pass filter 23, HG frequency mixer 231, HG local oscillator 232, HG intermediate frequency amplifier 233, HG2 low pass filter 234, HD circuit 04, HD1 band pass filter 24, HD frequency mixer 241, HD local oscillator 242, HD intermediate frequency amplifier 243, HD2 high pass filter 244, H mixer 25, H2 intermediate frequency amplifier 26, total synthetic line 3, Z mixer 31, Z intermediate frequency amplifier 32, Z output 33.
Embodiment
Consult Fig. 1, a kind of four local oscillator lists of the present invention export Ku wave band tuner, comprise V circuit 1, H circuit 2, total synthetic line 3, wherein: described V circuit 1 is comprise V low noise amplifier 12, VG circuit 01 and the circuit of VD circuit 02 for processing perpendicular polarization signal, perpendicular polarization signal 11 enters two superhet amplifying circuits that are parallel, that be called VG circuit 01 and VD circuit 02 simultaneously and carries out filtering, difference frequency, amplification process after V low noise amplifier 12 amplifies; Wherein, described VG circuit 01 is made up of VG1 band pass filter 13, VG frequency mixer 131, VG local oscillator 132, VG1 intermediate frequency amplifier 133, VG2 band pass filter 134, from the beginning to the end, described VG1 band pass filter 13, VG frequency mixer 131, VG1 intermediate frequency amplifier 133 are connected with VG2 band pass filter 134, and described VG frequency mixer 131 is also connected with described VG local oscillator 132; Described VD circuit 02 is made up of VD1 band pass filter 14, VD frequency mixer 141, VD local oscillator 142, VD intermediate frequency amplifier 143, VD2 band pass filter 144, from the beginning to the end, described VD1 band pass filter 14, VD frequency mixer 141, VD intermediate frequency amplifier 143 are connected with VD2 band pass filter 144, and described VD frequency mixer 141 is also connected with described VD local oscillator 142; Afterwards, process after Hou bis-tunnel perpendicular polarization signal is amplified by the conjunction road of V mixer 15 and V2 intermediate frequency amplifier 16 through VG circuit 01 and VD circuit 02 again and obtain V road signal;
Described H circuit 2 is by H low noise amplifier 22, the circuit for processing horizontal polarization signals that HG circuit 03 and HD circuit 04 are formed, horizontal polarization signals 21 enter after H low noise amplifier 22 amplifies simultaneously two parallel, the superhet amplifying circuit being called HG circuit 03 and HD circuit 04 carries out filtering, difference frequency, amplify process, wherein, described HG circuit 03 is by HG1 band pass filter 23, HG frequency mixer 231, HG local oscillator 232, HG intermediate frequency amplifier 233, HG2 low pass filter 234 is formed, from the beginning to the end, described HG1 band pass filter 23, HG frequency mixer 231, HG intermediate frequency amplifier 233, HG2 low pass filter 234 is contacted and is connected, described HG frequency mixer 231 is also connected with described HG local oscillator 232, described HD circuit 04 is made up of HD1 band pass filter 24, HD frequency mixer 241, HD local oscillator 242, HD intermediate frequency amplifier 243, HD2 high pass filter 244, from the beginning to the end, described HD1 band pass filter 24, HD frequency mixer 241, HD intermediate frequency amplifier 243, HD2 high pass filter 244 series winding connects, and described HD frequency mixer 241 is also connected with described HD local oscillator 242, afterwards, process after Hou bis-road horizontal polarization signals is amplified by the conjunction road of H mixer 25 and H2 intermediate frequency amplifier 26 through HG circuit 03 and HD circuit 04 again and obtain H road signal,
Described total synthetic line 3 is for comprising Z mixer 31, Z intermediate frequency amplifier 32, Z output 33, the circuit exported is amplified for described V road signal and H road signal being carried out close road, described V road signal is connected with the input of Z mixer 31 respectively with H road signal, from the beginning to the end, described Z mixer 31, Z intermediate frequency amplifier 32 are connected with Z output 33;
Described V low noise amplifier 12, H low noise amplifier 22 are GaAs low noise amplifier;
Described VG1 band pass filter 13 is the microstripline filter of bandwidth 11.704 ~ 11.941GHz;
Described VG frequency mixer 131, VD frequency mixer 141, HG frequency mixer 231, HD frequency mixer 241 are the passive-type frequency mixer be made up of double diode;
Described V mixer 15, H mixer 25, Z mixer 31 are two enter the two-way that outes and close road electronic device;
Described VG local oscillator 132 is adjusted to the ceramic resonator of 13.435GHz for the natural frequency of vibration;
Described VG intermediate frequency amplifier 133, VD intermediate frequency amplifier 143, V2 intermediate frequency amplifier 16, HG intermediate frequency amplifier 233, HD intermediate frequency amplifier 243, H2 intermediate frequency amplifier 26, Z intermediate frequency amplifier 32 are intermediate frequency amplifier;
Described VG2 band pass filter 134 is that the band of bandwidth 1494 ~ 1731MHz leads to ceramic filter;
Described VD1 band pass filter 14 is the microstripline filter of bandwidth 11.0105 ~ 11.0675GHz;
Described VD local oscillator 142 is adjusted to the ceramic resonator of 12.86GHz for the natural frequency of vibration;
Described VD2 band pass filter 144 is that the band of bandwidth 1792.5 ~ 1849.5MHz leads to ceramic filter;
Described HG1 band pass filter 23 is the microstripline filter of bandwidth 11.704 ~ 12.188GHz;
Described HG local oscillator 232 is adjusted to the ceramic resonator of 13.138GHz for the natural frequency of vibration;
Described HG2 low pass filter 234 is the low pass ceramic filter of 950 ~ 1434MHz passage;
Described HD1 band pass filter 24 is the microstripline filter of bandwidth 10.9625 ~ 11.1995GHz;
Described HD local oscillator 242 is adjusted to the ceramic resonator of 13.112GHz for the natural frequency of vibration;
Described HD2 high pass filter 244 is the high pass ceramic filter of 1912.5 ~ 2149.5MHz passage;
Described Z output 33 is the interface of stube cable.
Operation principle and beneficial effect
This device is provided with and forms VG circuit 01 respectively by four local oscillators, VD circuit 02 and HG circuit 03, HD circuit 04 4 tunnel superhet amplification treatment circuit, by V circuit 1 and H circuit 2, the perpendicular polarization signal of the satellite after difference low noise is amplified and horizontal polarization signals, again respectively through four tunnel superhet amplification treatment circuits, carry out filtering, mixing, Frequency differential amplifying, the superhet first order intermediate frequency of filtering amplifies process again, by respectively by four tunnels process after perpendicular polarization signal and horizontal polarization signals, respective conjunction road obtains V road signal and H road signal respectively after second level intermediate frequency amplifies, again V road signal and H road signal are closed road by total synthetic line 3 afterwards to export after third level intermediate frequency amplifies, the Ku wave band tuner of single cable transmission is made to further increase gain, reduce noise.
Claims (1)
1. a local oscillator list exports Ku wave band tuner, comprise V circuit (1), H circuit (2), total synthetic line (3), it is characterized in that: described V circuit (1) is for comprising V low noise amplifier (12), VG circuit (01) and VD circuit (02) circuit for processing perpendicular polarization signal, perpendicular polarization signal (11) enter after V low noise amplifier (12) amplifies simultaneously two parallel, the superhet amplifying circuit being called VG circuit (01) and VD circuit (02) carries out filtering, difference frequency, amplify process, wherein, described VG circuit (01) is made up of VG1 band pass filter (13), VG frequency mixer (131), VG local oscillator (132), VG1 intermediate frequency amplifier (133), VG2 band pass filter (134), from the beginning to the end, described VG1 band pass filter (13), VG frequency mixer (131), VG1 intermediate frequency amplifier (133) are connected with VG2 band pass filter (134), and described VG frequency mixer (131) is also connected with described VG local oscillator (132), described VD circuit (02) is made up of VD1 band pass filter (14), VD frequency mixer (141), VD local oscillator (142), VD intermediate frequency amplifier (143), VD2 band pass filter (144), from the beginning to the end, described VD1 band pass filter (14), VD frequency mixer (141), VD intermediate frequency amplifier (143) are connected with VD2 band pass filter (144), and described VD frequency mixer (141) is also connected with described VD local oscillator (142), afterwards, after VG circuit (01) and VD circuit (02) process Hou bis-tunnel perpendicular polarization signal pass through the conjunction road amplification of V mixer (15) and V2 intermediate frequency amplifier (16) again, V road signal is obtained,
Described H circuit (2) is by H low noise amplifier (22), the circuit for processing horizontal polarization signals that HG circuit (03) and HD circuit (04) are formed, horizontal polarization signals (21) enter after H low noise amplifier (22) amplifies simultaneously two parallel, the superhet amplifying circuit being called HG circuit (03) and HD circuit (04) carries out filtering, difference frequency, amplify process, wherein, described HG circuit (03) is by HG1 band pass filter (23), HG frequency mixer (231), HG local oscillator (232), HG intermediate frequency amplifier (233), HG2 low pass filter (234) is formed, from the beginning to the end, described HG1 band pass filter (23), HG frequency mixer (231), HG intermediate frequency amplifier (233), HG2 low pass filter (234) series winding connects, described HG frequency mixer (231) is also connected with described HG local oscillator (232), described HD circuit (04) is made up of HD1 band pass filter (24), HD frequency mixer (241), HD local oscillator (242), HD intermediate frequency amplifier (243), HD2 high pass filter (244), from the beginning to the end, described HD1 band pass filter (24), HD frequency mixer (241), HD intermediate frequency amplifier (243), HD2 high pass filter (244) series winding connect, and described HD frequency mixer (241) is also connected with described HD local oscillator (242), afterwards, after HG circuit (03) and HD circuit (04) process Hou bis-road horizontal polarization signals pass through the conjunction road amplification of H mixer (25) and H2 intermediate frequency amplifier (26) again, H road signal is obtained,
Described total synthetic line (3) is for comprising Z mixer (31), Z intermediate frequency amplifier (32), Z output (33), the circuit exported is amplified for described V road signal and H road signal being carried out close road, described V road signal is connected with the input of Z mixer (31) respectively with H road signal, from the beginning to the end, described Z mixer (31), Z intermediate frequency amplifier (32) are connected with Z output (33);
Described V low noise amplifier (12), H low noise amplifier (22) are GaAs low noise amplifier;
The microstripline filter that described VG1 band pass filter (13) is bandwidth 11.704 ~ 11.941GHz;
Described VG frequency mixer (131), VD frequency mixer (141), HG frequency mixer (231), HD frequency mixer (241) are the passive-type frequency mixer be made up of double diode;
Described V mixer (15), H mixer (25), Z mixer (31) are two enter a two-way out and close road electronic device;
Described VG local oscillator (132) is adjusted to the ceramic resonator of 13.435GHz for the natural frequency of vibration;
Described VG intermediate frequency amplifier (133), VD intermediate frequency amplifier (143), V2 intermediate frequency amplifier (16), HG intermediate frequency amplifier (233), HD intermediate frequency amplifier (243), H2 intermediate frequency amplifier (26), Z intermediate frequency amplifier (32) are intermediate frequency amplifier;
Described VG2 band pass filter (134) leads to ceramic filter for the band of bandwidth 1494 ~ 1731MHz;
The microstripline filter that described VD1 band pass filter (14) is bandwidth 11.0105 ~ 11.0675GHz;
Described VD local oscillator (142) is adjusted to the ceramic resonator of 12.86GHz for the natural frequency of vibration;
Described VD2 band pass filter (144) leads to ceramic filter for the band of bandwidth 1792.5 ~ 1849.5MHz;
The microstripline filter that described HG1 band pass filter (23) is bandwidth 11.704 ~ 12.188GHz;
Described HG local oscillator (232) is adjusted to the ceramic resonator of 13.138GHz for the natural frequency of vibration;
Described HG2 low pass filter (234) is the low pass ceramic filter of 950 ~ 1434MHz passage;
The microstripline filter that described HD1 band pass filter (24) is bandwidth 10.9625 ~ 11.1995GHz;
Described HD local oscillator (242) is adjusted to the ceramic resonator of 13.112GHz for the natural frequency of vibration;
Described HD2 high pass filter (244) is the high pass ceramic filter of 1912.5 ~ 2149.5MHz passage;
The interface that described Z output (33) is stube cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310120135.7A CN103259990B (en) | 2013-03-21 | 2013-03-21 | A kind of four local oscillator lists export Ku wave band tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310120135.7A CN103259990B (en) | 2013-03-21 | 2013-03-21 | A kind of four local oscillator lists export Ku wave band tuner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103259990A CN103259990A (en) | 2013-08-21 |
| CN103259990B true CN103259990B (en) | 2016-04-06 |
Family
ID=48963658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310120135.7A Expired - Fee Related CN103259990B (en) | 2013-03-21 | 2013-03-21 | A kind of four local oscillator lists export Ku wave band tuner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103259990B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762995B (en) * | 2014-01-28 | 2016-03-09 | 华讯方舟科技（湖北）有限公司 | Signal receiving unit and its implementation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094010A (en) * | 2007-05-31 | 2007-12-26 | 中国移动通信集团广东有限公司 | A receiver |
| CN201075398Y (en) * | 2007-08-29 | 2008-06-18 | 郴州高斯贝尔数码科技有限公司 | Ku frequency band four-local oscillator two-way output low noise frequency demultiplier |
| CN202085165U (en) * | 2011-05-20 | 2011-12-21 | 深圳翔成电子科技有限公司 | Ku-band satellite tuner |
| CN203151651U (en) * | 2013-03-21 | 2013-08-21 | 宁波森富机电制造有限公司 | Single-output Ku-waveband high-frequency head with four local oscillators |
-
2013
- 2013-03-21 CN CN201310120135.7A patent/CN103259990B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094010A (en) * | 2007-05-31 | 2007-12-26 | 中国移动通信集团广东有限公司 | A receiver |
| CN201075398Y (en) * | 2007-08-29 | 2008-06-18 | 郴州高斯贝尔数码科技有限公司 | Ku frequency band four-local oscillator two-way output low noise frequency demultiplier |
| CN202085165U (en) * | 2011-05-20 | 2011-12-21 | 深圳翔成电子科技有限公司 | Ku-band satellite tuner |
| CN203151651U (en) * | 2013-03-21 | 2013-08-21 | 宁波森富机电制造有限公司 | Single-output Ku-waveband high-frequency head with four local oscillators |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103259990A (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10797657B2 (en) | Matching network and power amplifier circuit | |
| CN101167245B (en) | Differential inductor-based low noise amplifier | |
| CN203434938U (en) | Ultra-wideband high-gain low-noise amplifier | |
| CN104035105A (en) | Low noise amplifier and radio frequency system at front end of GNSS system receiver | |
| CN103391054A (en) | Ultra wideband high-gain low-noise amplifier | |
| CN113037237A (en) | Power amplifying circuit | |
| CN203930070U (en) | The radio system of low noise amplifier and GNSS system receiver front end | |
| CN113193840B (en) | High-linearity trans-impedance amplifier applied to silent surface filter receiver | |
| CN103259990B (en) | A kind of four local oscillator lists export Ku wave band tuner | |
| CN203151651U (en) | Single-output Ku-waveband high-frequency head with four local oscillators | |
| CN202750077U (en) | Multi-frequency-range filter | |
| CN106549684A (en) | A kind of method of reseptance of two-band radiofrequency signal and its device, base station | |
| CN102332866B (en) | High-linearity upper mixer | |
| CN203251284U (en) | Anti-saturation circuit for navigation receiver | |
| CN205017274U (en) | Microwave frequency conversion merit parallel circuit | |
| CN104158504A (en) | Broadband low-noise amplifier | |
| CN201557188U (en) | Cable digital tuner | |
| CN105765863B (en) | A kind of power amplifier stabilizing circuit and transmitter | |
| CN103475314A (en) | Low-noise amplifier | |
| CN105119573A (en) | Microwave frequency conversion power division circuit | |
| CN103762995B (en) | Signal receiving unit and its implementation | |
| CN107528555B (en) | Distributed amplifier | |
| CN204119356U (en) | A kind of single output satellite signal high-frequency tuner | |
| CN111224683B (en) | Low-noise large dynamic radio frequency receiving channel | |
| CN214281335U (en) | Low-noise high-gain amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20180321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |