DE60314248D1 - Reduzierung von dynamischer Gleichspannungsschiebung in einem Funkempfänger - Google Patents
Reduzierung von dynamischer Gleichspannungsschiebung in einem FunkempfängerInfo
- Publication number
- DE60314248D1 DE60314248D1 DE60314248T DE60314248T DE60314248D1 DE 60314248 D1 DE60314248 D1 DE 60314248D1 DE 60314248 T DE60314248 T DE 60314248T DE 60314248 T DE60314248 T DE 60314248T DE 60314248 D1 DE60314248 D1 DE 60314248D1
- Authority
- DE
- Germany
- Prior art keywords
- gain
- dynamic
- blocker
- mixer
- local oscillator
- 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 - Lifetime
Links
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
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
-
- 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
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03291928A EP1503508B1 (de) | 2003-07-30 | 2003-07-30 | Reduzierung von dynamischer Gleichspannungsschiebung in einem Funkempfänger |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60314248D1 true DE60314248D1 (de) | 2007-07-19 |
DE60314248T2 DE60314248T2 (de) | 2008-02-07 |
Family
ID=33522469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60314248T Expired - Lifetime DE60314248T2 (de) | 2003-07-30 | 2003-07-30 | Reduzierung von dynamischer Gleichspannungsschiebung in einem Funkempfänger |
Country Status (4)
Country | Link |
---|---|
US (1) | US7200372B2 (de) |
EP (1) | EP1503508B1 (de) |
AT (1) | ATE364261T1 (de) |
DE (1) | DE60314248T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7406330B2 (en) * | 2004-07-29 | 2008-07-29 | Sprint Spectrum L.P. | Method and system for extending IP PBX services to cellular wireless communication devices |
US8019309B2 (en) * | 2004-10-29 | 2011-09-13 | Broadcom Corporation | Method and system for a second order input intercept point (IIP2) calibration scheme |
US7477885B2 (en) * | 2005-04-22 | 2009-01-13 | Wilinx Corporation | DC offset cancellation circuits and methods |
US20070197178A1 (en) * | 2006-02-21 | 2007-08-23 | Nokia Corporation | Automatic gain control system for receivers in wireless communications |
US8521198B2 (en) | 2006-05-12 | 2013-08-27 | Qualcomm, Incorporated | Dynamic LNA switch points based on channel conditions |
WO2007145615A1 (en) * | 2006-06-08 | 2007-12-21 | Wilinx, Inc | Wideband circuits and methods |
FI20075392A0 (fi) | 2007-05-30 | 2007-05-30 | Nokia Corp | Radiovastaanottimen herkkyyden parantaminen |
US8045941B2 (en) * | 2007-08-29 | 2011-10-25 | Texas Instruments Incorporated | Methods and apparatus to implement receiver linearity enhancement |
US7983642B2 (en) * | 2008-03-31 | 2011-07-19 | Analog Devices, Inc. | Method and system for detecting an out of band interferer in an RF receiver |
US9008600B2 (en) * | 2010-05-21 | 2015-04-14 | Mediatek Singapore Pte. Ltd. | Wireless communication receiver having one signal processing circuit whose operation mode is adjusted by monitoring signal level of specific signal of preceding signal processing circuit and related wireless communication method |
CN104270177A (zh) * | 2014-08-25 | 2015-01-07 | 余凤莲 | 一种自适应蓝牙接收机 |
CN104242968A (zh) * | 2014-08-25 | 2014-12-24 | 余凤莲 | 一种基于zigbee的自适应无线接收机 |
US10523251B1 (en) * | 2018-10-10 | 2019-12-31 | Silicon Laboratories Inc. | Automatic gain control system and method with improved blocker performance |
US11139791B2 (en) | 2019-09-18 | 2021-10-05 | Texas Instruments Incorporated | Integrated circuit devices with receiver chain peak detectors |
US11177988B2 (en) | 2020-01-23 | 2021-11-16 | Shenzhen GOODIX Technology Co., Ltd. | Receiver circuits with blocker attenuating mixer |
CN114244379B (zh) * | 2021-12-20 | 2023-06-02 | 北京福瑞航行科技有限公司 | 一种大动态rdss自动增益控制接收机系统及控制方法 |
US20240063923A1 (en) * | 2022-08-22 | 2024-02-22 | Microchip Technology Incorporated | Setting a performance mode of an rf receiver frontend |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5579347A (en) * | 1994-12-28 | 1996-11-26 | Telefonaktiebolaget Lm Ericsson | Digitally compensated direct conversion receiver |
JP3203202B2 (ja) * | 1997-03-31 | 2001-08-27 | 三洋電機株式会社 | ラジオ受信機 |
US6571083B1 (en) * | 1999-05-05 | 2003-05-27 | Motorola, Inc. | Method and apparatus for automatic simulcast correction for a correlation detector |
US6442380B1 (en) * | 1999-12-22 | 2002-08-27 | U.S. Philips Corporation | Automatic gain control in a zero intermediate frequency radio device |
US6980786B1 (en) * | 2001-01-16 | 2005-12-27 | Sequoia Communications Corp. | Adaptive receiver system that adjusts to the level of interfering signals |
US6498927B2 (en) * | 2001-03-28 | 2002-12-24 | Gct Semiconductor, Inc. | Automatic gain control method for highly integrated communication receiver |
US6670901B2 (en) * | 2001-07-31 | 2003-12-30 | Motorola, Inc. | Dynamic range on demand receiver and method of varying same |
US6873832B2 (en) * | 2001-09-28 | 2005-03-29 | Broadcom Corporation | Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
US6950641B2 (en) * | 2003-01-31 | 2005-09-27 | Nokia Corporation | Apparatus, and an associated method, for increasing receiver sensitivity of a direct conversion receiver |
US7227916B2 (en) * | 2003-08-26 | 2007-06-05 | Freescale Semiconductor, Inc. | Receiver with automatic gain control that operates with multiple protocols and method thereof |
-
2003
- 2003-07-30 AT AT03291928T patent/ATE364261T1/de not_active IP Right Cessation
- 2003-07-30 EP EP03291928A patent/EP1503508B1/de not_active Expired - Lifetime
- 2003-07-30 DE DE60314248T patent/DE60314248T2/de not_active Expired - Lifetime
-
2004
- 2004-02-03 US US10/770,947 patent/US7200372B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE60314248T2 (de) | 2008-02-07 |
EP1503508A1 (de) | 2005-02-02 |
EP1503508B1 (de) | 2007-06-06 |
US7200372B2 (en) | 2007-04-03 |
ATE364261T1 (de) | 2007-06-15 |
US20050026583A1 (en) | 2005-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |