CN1221135C - 用于把接收的信号变换成中频信号的低噪声区间下变换器 - Google Patents
用于把接收的信号变换成中频信号的低噪声区间下变换器 Download PDFInfo
- Publication number
- CN1221135C CN1221135C CNB021479666A CN02147966A CN1221135C CN 1221135 C CN1221135 C CN 1221135C CN B021479666 A CNB021479666 A CN B021479666A CN 02147966 A CN02147966 A CN 02147966A CN 1221135 C CN1221135 C CN 1221135C
- Authority
- CN
- China
- Prior art keywords
- signal
- polarized wave
- low noise
- circuit
- downconverter
- 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
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1758—Series LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1766—Parallel LC in series path
-
- 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
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H2007/013—Notch or bandstop filters
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001336091A JP2003143028A (ja) | 2001-11-01 | 2001-11-01 | 低雑音コンバータ |
JP336091/2001 | 2001-11-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1418013A CN1418013A (zh) | 2003-05-14 |
CN1221135C true CN1221135C (zh) | 2005-09-28 |
Family
ID=19150981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021479666A Expired - Fee Related CN1221135C (zh) | 2001-11-01 | 2002-10-31 | 用于把接收的信号变换成中频信号的低噪声区间下变换器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7319850B2 (zh) |
EP (1) | EP1324485A3 (zh) |
JP (1) | JP2003143028A (zh) |
CN (1) | CN1221135C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103944528A (zh) * | 2014-05-13 | 2014-07-23 | 苏州博海创业微系统有限公司 | 一种高抑制ltcc低通滤波器 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003124832A (ja) * | 2001-07-26 | 2003-04-25 | Sharp Corp | 衛星放送受信用コンバータ及び衛星放送受信システム |
US6941106B1 (en) * | 2002-10-28 | 2005-09-06 | Prime Electronics & Statellitcs, Inc. | Structure for reducing intermodulation interference in satellite signal transmission |
US6944423B2 (en) * | 2002-10-28 | 2005-09-13 | Prime Electronics & Satellitcs, Inc. | Structure for preventing intermodulation interference in satellite transmission |
EP1665551B1 (fr) * | 2003-09-18 | 2007-11-14 | THOMSON Licensing | Terminal utilisateur bi-directionnel de large diffusion a frequences d'emission configurables |
US7502587B2 (en) * | 2004-05-28 | 2009-03-10 | Echostar Technologies Corporation | Method and device for band translation |
US20060099906A1 (en) * | 2004-11-09 | 2006-05-11 | Samsung Electronics Co., Ltd. | Satellite broadcast receiver for dividing power of satellite broadcast signal using wilkinson power divider |
US8132214B2 (en) | 2008-04-03 | 2012-03-06 | Echostar Technologies L.L.C. | Low noise block converter feedhorn |
DE102006022580B4 (de) * | 2006-05-15 | 2014-10-09 | Epcos Ag | Elektrisches Bauelement |
CN100455006C (zh) * | 2006-12-14 | 2009-01-21 | 上海广电(集团)有限公司中央研究院 | 应用于atsc高清数字电视上的变频多级滤波方法 |
TWI397931B (zh) * | 2008-02-29 | 2013-06-01 | Ind Tech Res Inst | 電容裝置 |
US8032093B1 (en) * | 2008-05-28 | 2011-10-04 | Triquint Semiconductor, Inc. | Power detection arrangement with harmonic suppressor |
TWI424612B (zh) * | 2010-03-05 | 2014-01-21 | Ralink Technology Corp | 寬頻帶耦合濾波器 |
CN102403984A (zh) * | 2010-09-13 | 2012-04-04 | 深圳中电熊猫晶体科技有限公司 | 一种组合石英滤波器 |
US9520914B2 (en) * | 2012-06-25 | 2016-12-13 | Samsung Electronics Co., Ltd. | Full-duplex wireless communication system using polarization |
US9231550B2 (en) | 2014-06-09 | 2016-01-05 | Mitsubishi Electric Research Laboratories, Inc. | Output matching network for wideband power amplifier with harmonic suppression |
DE102015110273A1 (de) | 2015-06-25 | 2016-12-29 | Intel IP Corporation | Ein Empfänger und ein Verfahren zum Reduzieren einer Verzerrungskomponente innerhalb eines Basisbandempfangssignals |
US11025218B2 (en) | 2019-04-10 | 2021-06-01 | Samsung Electro-Mechanics Co., Ltd. | Frontend module |
KR102194704B1 (ko) * | 2019-04-10 | 2020-12-23 | 삼성전기주식회사 | 프론트 엔드 모듈 |
CN113541771B (zh) * | 2021-07-15 | 2022-10-28 | 广西金网通电子科技有限公司 | 一种接收北斗信号户户通卫星下变频器 |
CN116865714B (zh) * | 2023-09-05 | 2023-12-19 | 深圳新声半导体有限公司 | 一种用于n79频段的滤波器 |
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NL278982A (zh) * | 1961-10-06 | |||
GB1513138A (en) * | 1974-08-16 | 1978-06-07 | Ici Ltd | Equipment for detecting variations in direct current flowing in an electrical conductor |
IT1068036B (it) | 1976-12-24 | 1985-03-21 | Sits Soc It Telecom Siemens | Filtro per sistemi di telecomunicazioni presentante ridotte perdite di inserzione |
JPS5861547U (ja) * | 1981-10-19 | 1983-04-25 | デイエツクスアンテナ株式会社 | 衛星放送受信機 |
JPS6341916U (zh) | 1986-09-03 | 1988-03-19 | ||
JP2505135B2 (ja) * | 1987-03-13 | 1996-06-05 | 株式会社村田製作所 | Lcフィルタ |
JPH01238321A (ja) | 1988-03-18 | 1989-09-22 | Toshiba Corp | チューナの入力回路 |
JPH02140007A (ja) | 1988-11-18 | 1990-05-29 | Murata Mfg Co Ltd | ローパスフィルタ |
US4916418A (en) * | 1989-03-31 | 1990-04-10 | Varian Associates, Inc. | Double tuned bird cage coil |
JPH05121988A (ja) | 1991-10-24 | 1993-05-18 | Matsushita Electric Ind Co Ltd | 電力線搬送通信用ローパスフイルタ |
EP0683561A1 (en) * | 1994-05-18 | 1995-11-22 | Guan-Wu Wang | Low-cost low noise block down-converter with a self-oscillating mixer for satellite broadcast receivers |
US5625894A (en) * | 1995-03-21 | 1997-04-29 | Industrial Technology Research Institute | Switch filter having selectively interconnected filter stages and ports |
JP3444745B2 (ja) | 1997-02-18 | 2003-09-08 | シャープ株式会社 | Uhf、vhf、cs、bs共用アンテナシステムおよびこれに使用するlnb |
US6424817B1 (en) * | 1998-02-04 | 2002-07-23 | California Amplifier, Inc. | Dual-polarity low-noise block downconverter systems and methods |
JP2000223986A (ja) | 1999-01-29 | 2000-08-11 | Kankyo Denji Gijutsu Kenkyusho:Kk | コモンモードフィルタ |
US6317016B1 (en) * | 1999-05-14 | 2001-11-13 | Koninklijke Philips Electronics | Method and arrangement for gyration filtering with low power consumption |
JP2001016128A (ja) | 1999-06-30 | 2001-01-19 | Maspro Denkoh Corp | 2衛星受信アンテナ用コンバータ |
JP2002076809A (ja) * | 2000-09-01 | 2002-03-15 | Murata Mfg Co Ltd | 積層型lc複合部品及び積層型lc複合部品の周波数特性調整方法 |
US6587018B1 (en) * | 2001-05-25 | 2003-07-01 | Tropian, Inc. | Notch filter and method |
JP2003124769A (ja) * | 2001-08-09 | 2003-04-25 | Murata Mfg Co Ltd | Lcフィルタ回路、積層型lcフィルタ、マルチプレクサおよび無線通信装置 |
JP3678228B2 (ja) * | 2001-10-18 | 2005-08-03 | 株式会社村田製作所 | Lcハイパスフィルタ回路、積層型lcハイパスフィルタ、マルチプレクサおよび無線通信装置 |
JP3606257B2 (ja) * | 2001-12-25 | 2005-01-05 | 三菱電機株式会社 | ドップラーレーダー装置 |
-
2001
- 2001-11-01 JP JP2001336091A patent/JP2003143028A/ja active Pending
-
2002
- 2002-10-11 US US10/268,986 patent/US7319850B2/en not_active Expired - Fee Related
- 2002-10-22 EP EP02023540A patent/EP1324485A3/en not_active Withdrawn
- 2002-10-31 CN CNB021479666A patent/CN1221135C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103944528A (zh) * | 2014-05-13 | 2014-07-23 | 苏州博海创业微系统有限公司 | 一种高抑制ltcc低通滤波器 |
CN103944528B (zh) * | 2014-05-13 | 2016-11-02 | 苏州博海创业微系统有限公司 | 一种高抑制ltcc低通滤波器 |
Also Published As
Publication number | Publication date |
---|---|
CN1418013A (zh) | 2003-05-14 |
EP1324485A2 (en) | 2003-07-02 |
JP2003143028A (ja) | 2003-05-16 |
EP1324485A3 (en) | 2004-02-04 |
US20030083034A1 (en) | 2003-05-01 |
US7319850B2 (en) | 2008-01-15 |
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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 | ||
CI01 | Correction of invention patent gazette |
Correction item: Application Date Correct: 20021031 False: 20021030 Number: 39 Volume: 21 |
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CI03 | Correction of invention patent |
Correction item: Application Date Correct: 20021031 False: 20021030 Number: 39 Page: The title page Volume: 21 |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICATION DATE; FROM: 2002.10.30 TO: 2002.10.31 |
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ERR | Gazette correction |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050928 Termination date: 20131031 |