CN101931426A - 通讯和广播接收机前置可调谐滤波器的电路和调谐方法 - Google Patents
通讯和广播接收机前置可调谐滤波器的电路和调谐方法 Download PDFInfo
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- CN101931426A CN101931426A CN2010101512526A CN201010151252A CN101931426A CN 101931426 A CN101931426 A CN 101931426A CN 2010101512526 A CN2010101512526 A CN 2010101512526A CN 201010151252 A CN201010151252 A CN 201010151252A CN 101931426 A CN101931426 A CN 101931426A
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- Prior art keywords
- circuit
- tuning
- frequency
- receiver
- signal
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Classifications
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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
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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- 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
- H03H7/0153—Electrical filters; Controlling thereof
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- 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
-
- 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
- H03H7/1775—Parallel LC in shunt or branch path
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2210/00—Indexing scheme relating to details of tunable filters
- H03H2210/04—Filter calibration method
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
波段 | 频率(MHz) | 电台间隔 | 用途 |
LF(LW) | 120-300KHz | —— | 长波调幅广播 |
MF(AM) | 525KHz-1605KHz | 9KHz | 中波调幅广播 |
HF(SW) | 3.5-29.7MHz | 9KHz | 短波调幅广播及单边带通讯 |
VHF(FM) | 88-108MHz | 200KHz | 调频广播及数据广播 |
VHF | 48.5-92MHz | 8MHz | 电视及数据广播 |
VHF | 167-223MHz | 8MHz | 电视及数据广播 |
UHF | 223-443MHz | 8MHz | 电视及数据广播 |
UHF | 443-870MHz | 8MHz | 电视及数据广播 |
Claims (13)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101512526A CN101931426B (zh) | 2010-04-21 | 2010-04-21 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
PCT/CN2011/072655 WO2011131096A1 (zh) | 2010-04-21 | 2011-04-12 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
US13/655,264 US8862089B2 (en) | 2010-04-21 | 2012-10-18 | Circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101512526A CN101931426B (zh) | 2010-04-21 | 2010-04-21 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101931426A true CN101931426A (zh) | 2010-12-29 |
CN101931426B CN101931426B (zh) | 2013-05-15 |
Family
ID=43370384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101512526A Active CN101931426B (zh) | 2010-04-21 | 2010-04-21 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8862089B2 (zh) |
CN (1) | CN101931426B (zh) |
WO (1) | WO2011131096A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011131096A1 (zh) * | 2010-04-21 | 2011-10-27 | 北京昆腾微电子有限公司 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
CN102355275A (zh) * | 2011-08-29 | 2012-02-15 | 大唐移动通信设备有限公司 | 一种应用于非通用频段的终端及其应用方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9294046B2 (en) | 2013-03-15 | 2016-03-22 | Rf Micro Devices (Cayman Islands), Ltd. | RF power amplifier with PM feedback linearization |
US9705478B2 (en) * | 2013-08-01 | 2017-07-11 | Qorvo Us, Inc. | Weakly coupled tunable RF receiver architecture |
US9899133B2 (en) | 2013-08-01 | 2018-02-20 | Qorvo Us, Inc. | Advanced 3D inductor structures with confined magnetic field |
US9509353B2 (en) * | 2014-08-20 | 2016-11-29 | Nxp B.V. | Data processing device |
US10796835B2 (en) | 2015-08-24 | 2020-10-06 | Qorvo Us, Inc. | Stacked laminate inductors for high module volume utilization and performance-cost-size-processing-time tradeoff |
US11139238B2 (en) | 2016-12-07 | 2021-10-05 | Qorvo Us, Inc. | High Q factor inductor structure |
CN108155885B (zh) * | 2018-01-11 | 2023-12-29 | 深圳互由科技有限公司 | 一种调谐滤波器 |
CN114826305B (zh) * | 2022-03-31 | 2023-05-16 | 武汉大学 | 一种通信接收机前端滤波选频方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1965471A (zh) * | 2004-06-18 | 2007-05-16 | 三菱电机株式会社 | 压控振荡器 |
CN101454985A (zh) * | 2006-06-02 | 2009-06-10 | 神经网络处理有限公司 | 天线输入调谐电路 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5678211A (en) * | 1992-08-28 | 1997-10-14 | Thomson Consumer Electronics, Inc. | Television tuning apparatus |
US6978125B2 (en) * | 2001-07-05 | 2005-12-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for tuning pre-selection filters in radio receivers |
US6778023B2 (en) * | 2001-07-31 | 2004-08-17 | Nokia Corporation | Tunable filter and method of tuning a filter |
US7236756B2 (en) * | 2002-12-13 | 2007-06-26 | Freescale Semiconductors, Inc. | Tuning signal generator and method thereof |
JP3922235B2 (ja) * | 2003-10-14 | 2007-05-30 | 松下電器産業株式会社 | 高周波受信装置とそれに用いる集積回路 |
US8340616B2 (en) * | 2004-12-16 | 2012-12-25 | Entropic Communications, Inc. | Tracking filter for tuner |
US7512391B2 (en) * | 2005-05-24 | 2009-03-31 | Freescale Semiconductor, Inc. | Self-aligning resonator filter circuit and wideband tuner circuit incorporating same |
US7634242B2 (en) * | 2006-08-31 | 2009-12-15 | Microtune (Texas), L.P. | Systems and methods for filter center frequency location |
CN101931426B (zh) * | 2010-04-21 | 2013-05-15 | 北京昆腾微电子有限公司 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
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2010
- 2010-04-21 CN CN2010101512526A patent/CN101931426B/zh active Active
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2011
- 2011-04-12 WO PCT/CN2011/072655 patent/WO2011131096A1/zh active Application Filing
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2012
- 2012-10-18 US US13/655,264 patent/US8862089B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1965471A (zh) * | 2004-06-18 | 2007-05-16 | 三菱电机株式会社 | 压控振荡器 |
CN101454985A (zh) * | 2006-06-02 | 2009-06-10 | 神经网络处理有限公司 | 天线输入调谐电路 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011131096A1 (zh) * | 2010-04-21 | 2011-10-27 | 北京昆腾微电子有限公司 | 通讯和广播接收机前置可调谐滤波器的电路及其调谐方法 |
US8862089B2 (en) | 2010-04-21 | 2014-10-14 | Beijing Kt Micro, Ltd. | Circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof |
CN102355275A (zh) * | 2011-08-29 | 2012-02-15 | 大唐移动通信设备有限公司 | 一种应用于非通用频段的终端及其应用方法 |
CN102355275B (zh) * | 2011-08-29 | 2014-04-02 | 大唐移动通信设备有限公司 | 一种应用于非通用频段的终端及其应用方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2011131096A1 (zh) | 2011-10-27 |
US20130040595A1 (en) | 2013-02-14 |
CN101931426B (zh) | 2013-05-15 |
US8862089B2 (en) | 2014-10-14 |
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Owner name: BEIJING KUNTENG MICRO-ELECTRONICS INC. Free format text: FORMER NAME: KT MICRO, INC. Owner name: KUNTENG MICROELECTRONIC CO., LTD. Free format text: FORMER NAME: BEIJING KUNTENG MICRO-ELECTRONICS INC. |
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CP03 | Change of name, title or address |
Address after: 100195 Beijing, Yuquan, No. 23 Haidian District Road, building No. 4 Patentee after: KT MICRO, Inc. Address before: 100097 building 23, No. 4, Yuquan mountain road, Beijing, Haidian District Patentee before: Beijing Kunteng electronic Limited by Share Ltd. Address after: 100097 building 23, No. 4, Yuquan mountain road, Beijing, Haidian District Patentee after: Beijing Kunteng electronic Limited by Share Ltd. Address before: 100097 Beijing city Haidian District landianchang Road No. 2 Jin Yuan Times Business Center No. 2 building B, 8 A, B Patentee before: KT MICRO Inc. (BEIJING) |