CN101282126B - 能够接收不同载波频率的至少两个射频信号的超外差接收机及其实施的方法 - Google Patents
能够接收不同载波频率的至少两个射频信号的超外差接收机及其实施的方法 Download PDFInfo
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- CN101282126B CN101282126B CN2008100898777A CN200810089877A CN101282126B CN 101282126 B CN101282126 B CN 101282126B CN 2008100898777 A CN2008100898777 A CN 2008100898777A CN 200810089877 A CN200810089877 A CN 200810089877A CN 101282126 B CN101282126 B CN 101282126B
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- 238000000034 method Methods 0.000 claims abstract description 11
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Images
Classifications
-
- 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
- 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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/696,706 | 2007-04-04 | ||
US11/696,706 US20080248765A1 (en) | 2007-04-04 | 2007-04-04 | Superheterodyne Receiver with Switchable Local Oscillator Frequency and Reconfigurable IF Filter Characteristics |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101282126A CN101282126A (zh) | 2008-10-08 |
CN101282126B true CN101282126B (zh) | 2012-01-18 |
Family
ID=39595759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100898777A Active CN101282126B (zh) | 2007-04-04 | 2008-04-03 | 能够接收不同载波频率的至少两个射频信号的超外差接收机及其实施的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20080248765A1 (zh) |
EP (1) | EP1978646A2 (zh) |
CN (1) | CN101282126B (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5106275B2 (ja) | 2008-06-30 | 2012-12-26 | 株式会社東芝 | 無線通信装置及び無線通信方法 |
US8369817B2 (en) * | 2008-08-22 | 2013-02-05 | Stmicroelectronics S.A. | Analog FIR filter |
US8150352B1 (en) * | 2008-08-29 | 2012-04-03 | Project Ft, Inc. | Feedback LNA with image filtering |
CN101753103A (zh) * | 2008-12-09 | 2010-06-23 | 博通集成电路(上海)有限公司 | 解调信号的装置 |
US8725097B2 (en) * | 2010-02-09 | 2014-05-13 | Broadcom Corporation | Amplifier for cable and terrestrial applications with independent stage frequency tilt |
US20110194623A1 (en) * | 2010-02-09 | 2011-08-11 | Broadcom Corporation | Reconfigurable Filter for Cable Frequency Tilt Compensation and MoCA Transmitter Leakage Cancellation |
US20110319034A1 (en) | 2010-06-28 | 2011-12-29 | Boe Eric N | Method and system for propagation time measurement and calibration using mutual coupling in a radio frequency transmit/receive system |
US9083390B2 (en) * | 2012-04-16 | 2015-07-14 | Broadcom Corporation | Method and apparatus for mixed-mode spectrum communication |
US9590644B2 (en) | 2015-02-06 | 2017-03-07 | Silicon Laboratories Inc. | Managing spurs in a radio frequency circuit |
ES2837124T3 (es) * | 2016-12-19 | 2021-06-29 | Ericsson Telefon Ab L M | Sistemas y métodos para conmutar osciladores de cristal de referencia para un transceptor de un dispositivo inalámbrico |
US10461787B2 (en) | 2018-01-30 | 2019-10-29 | Silicon Laboratories Inc. | Spur mitigation for pulse output drivers in radio frequency (RF) devices |
CN113364472B (zh) * | 2020-03-04 | 2023-08-22 | 鹤壁天海电子信息系统有限公司 | 一种发射机、接收机及通信设备 |
CN115412113A (zh) * | 2022-07-12 | 2022-11-29 | 北京中科睿谱科技有限公司 | 一种频段和带宽可调整的通用接收机及信号接收方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3372339A (en) * | 1964-08-17 | 1968-03-05 | Gen Dynamics Corp | Communication system including frequency synthesizer system |
US4352208A (en) * | 1980-03-04 | 1982-09-28 | Motorola, Inc. | Automatic IF selectivity for radio receiver system |
CN1285978A (zh) * | 1997-09-08 | 2001-02-28 | 艾利森公司 | 用于在无线移动终端内在无线收发信机与全球定位系统接收机之间共享基准频率信号的系统和方法 |
CN1494207A (zh) * | 2002-10-31 | 2004-05-05 | 上海华虹集成电路有限责任公司 | 中频频率基准源 |
US6775336B1 (en) * | 1999-06-09 | 2004-08-10 | Nec Corporation | Receiver and gain control method of the same |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51117510A (en) * | 1975-04-07 | 1976-10-15 | Shintou Denki Kk | Double superheterodyne receiver |
US4087756A (en) * | 1977-06-14 | 1978-05-02 | Harris Corporation | FM Feedback demodulator having threshold extension circuit with two-pole crystal filters |
US4336613A (en) * | 1977-06-30 | 1982-06-22 | Texas Instruments Incorporated | Charge coupled device filters and modems incorporating such filters |
US4339829A (en) * | 1978-12-29 | 1982-07-13 | Dimon Donald F | Automatic tuning system for a narrow bandwidth communication |
US4619002A (en) * | 1984-07-02 | 1986-10-21 | Motorola, Inc. | Self-calibrating signal strength detector |
US5058204A (en) * | 1989-08-02 | 1991-10-15 | Motorola, Inc. | Synthesized selective call receiver having variable characteristics |
DE4005272A1 (de) * | 1990-02-20 | 1991-08-22 | Bosch Gmbh Robert | Verfahren zur zf-bandbreitenumschaltung sowie zf-bandbreitenumschaltvorrichtung |
US5327582A (en) * | 1992-01-24 | 1994-07-05 | Motorola, Inc. | Wideband wireless communications receiver |
GB2270223B (en) * | 1992-08-29 | 1996-06-19 | Motorola Israel Ltd | A communications system |
US5548839A (en) * | 1994-10-14 | 1996-08-20 | Caldwell; Stephen P. | Wide band radio-frequency converter having multiple use of intermediate frequency translators |
JPH08154062A (ja) * | 1994-11-28 | 1996-06-11 | Nec Corp | 信号品質を用いた帯域切り換え受信方式 |
US5862461A (en) * | 1995-08-31 | 1999-01-19 | Sony Corporation | Transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal |
JP3674166B2 (ja) * | 1996-02-14 | 2005-07-20 | ソニー株式会社 | 放送波信号受信装置 |
US5949832A (en) * | 1996-03-26 | 1999-09-07 | Sicom, Inc. | Digital receiver with tunable analog filter and method therefor |
US6167246A (en) * | 1997-05-09 | 2000-12-26 | Micrel Incorporated | Fully integrated all-CMOS AM receiver |
US6028885A (en) * | 1997-09-26 | 2000-02-22 | Northrop Grumman Corporation | Frequency hopping radio transmitter apparatus and method providing very high communication security |
US6308048B1 (en) * | 1997-11-19 | 2001-10-23 | Ericsson Inc. | Simplified reference frequency distribution in a mobile phone |
US6377315B1 (en) * | 1998-11-12 | 2002-04-23 | Broadcom Corporation | System and method for providing a low power receiver design |
JP4316198B2 (ja) * | 2002-07-24 | 2009-08-19 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置、受信機及び半導体装置の制御方法 |
-
2007
- 2007-04-04 US US11/696,706 patent/US20080248765A1/en not_active Abandoned
-
2008
- 2008-03-20 EP EP08251006A patent/EP1978646A2/en not_active Withdrawn
- 2008-04-03 CN CN2008100898777A patent/CN101282126B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3372339A (en) * | 1964-08-17 | 1968-03-05 | Gen Dynamics Corp | Communication system including frequency synthesizer system |
US4352208A (en) * | 1980-03-04 | 1982-09-28 | Motorola, Inc. | Automatic IF selectivity for radio receiver system |
CN1285978A (zh) * | 1997-09-08 | 2001-02-28 | 艾利森公司 | 用于在无线移动终端内在无线收发信机与全球定位系统接收机之间共享基准频率信号的系统和方法 |
US6775336B1 (en) * | 1999-06-09 | 2004-08-10 | Nec Corporation | Receiver and gain control method of the same |
CN1494207A (zh) * | 2002-10-31 | 2004-05-05 | 上海华虹集成电路有限责任公司 | 中频频率基准源 |
Also Published As
Publication number | Publication date |
---|---|
EP1978646A2 (en) | 2008-10-08 |
US20080248765A1 (en) | 2008-10-09 |
CN101282126A (zh) | 2008-10-08 |
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Effective date of registration: 20240415 Address after: California, USA Patentee after: McGuire LLC Country or region after: U.S.A. Address before: California, USA Patentee before: MICREL, Inc. Country or region before: U.S.A. |
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Effective date of registration: 20240426 Address after: Arizona, USA Patentee after: MICROCHIP TECHNOLOGY Inc. Country or region after: U.S.A. Address before: California, USA Patentee before: McGuire LLC Country or region before: U.S.A. |