DE60228025D1 - Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung - Google Patents

Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung

Info

Publication number
DE60228025D1
DE60228025D1 DE60228025T DE60228025T DE60228025D1 DE 60228025 D1 DE60228025 D1 DE 60228025D1 DE 60228025 T DE60228025 T DE 60228025T DE 60228025 T DE60228025 T DE 60228025T DE 60228025 D1 DE60228025 D1 DE 60228025D1
Authority
DE
Germany
Prior art keywords
unit
gain
control signal
reverse path
variable
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
Application number
DE60228025T
Other languages
English (en)
Inventor
Solon Spiegel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
U Blox AG
Original Assignee
U Blox AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by U Blox AG filed Critical U Blox AG
Application granted granted Critical
Publication of DE60228025D1 publication Critical patent/DE60228025D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
DE60228025T 2001-06-19 2002-06-18 Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung Expired - Lifetime DE60228025D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01810598A EP1271768A1 (de) 2001-06-19 2001-06-19 Analoge Basisbandeinheit für einen Hochfrequenzempfänger

Publications (1)

Publication Number Publication Date
DE60228025D1 true DE60228025D1 (de) 2008-09-18

Family

ID=8183979

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228025T Expired - Lifetime DE60228025D1 (de) 2001-06-19 2002-06-18 Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung

Country Status (5)

Country Link
US (1) US7065336B2 (de)
EP (1) EP1271768A1 (de)
AT (1) ATE403969T1 (de)
DE (1) DE60228025D1 (de)
ES (1) ES2311586T3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7231193B2 (en) * 2004-04-13 2007-06-12 Skyworks Solutions, Inc. Direct current offset correction systems and methods
DE102004024875B4 (de) * 2004-05-19 2006-09-07 Infineon Technologies Ag Verstärkeranordnung und Verfahren zur Kompensation eines Signalanteils in einer Verstärkeranordnung
US8204466B2 (en) 2004-05-21 2012-06-19 Realtek Semiconductor Corp. Dynamic AC-coupled DC offset correction
US7397307B2 (en) * 2004-09-30 2008-07-08 Infineon Technologies Ag Amplifier arrangement having an adjustable gain, and use thereof
US7456690B2 (en) * 2005-05-23 2008-11-25 Broadcom Corporation Automatic gain control using multi-comparators
US20080100374A1 (en) * 2006-10-30 2008-05-01 Theta Microelectronics, Inc. Programmable filters and methods of operation thereof
US8000671B2 (en) * 2008-04-01 2011-08-16 Seiko Epson Corporation Dual threshold demodulation in an amplitude modulation radio receiver
US9602079B2 (en) * 2009-06-23 2017-03-21 Qualcomm Incorporated Tunable adaptive filter with variable gain trans-conductance stage
CN101909025B (zh) * 2010-04-27 2013-01-09 广州市广晟微电子有限公司 实现本振抑制校准的方法、装置及系统
US8378731B1 (en) * 2010-06-14 2013-02-19 Marvell International Ltd. Asymmetric correction circuit with negative resistance
US8854045B2 (en) 2012-07-11 2014-10-07 Pico Technologies Llc Electronics for a thin bed array induction logging system
US10915717B1 (en) 2020-04-23 2021-02-09 Avid Identification Systems, Inc. Muting circuit for analog filters in radio frequency identification (RFID) systems

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56134811A (en) * 1980-03-24 1981-10-21 Sony Corp Gain control circuit
JPS56158511A (en) * 1980-05-13 1981-12-07 Sony Corp Automatic gain control circuit
JP2826003B2 (ja) * 1991-11-29 1998-11-18 松下電器産業株式会社 送信出力制御回路
US5231360A (en) * 1992-06-17 1993-07-27 Texas Instruments Incorporated Multi-range voltage amplifier having multiplying digital/analog converters and programmable filter using multiplying DAC in feedback loop
JPH06260866A (ja) * 1993-03-04 1994-09-16 Mitsubishi Electric Corp 自動出力電力制御回路装置
US5474342A (en) * 1993-08-04 1995-12-12 Smith; Jerry R. Door latch actuator
ZA95605B (en) * 1994-04-28 1995-12-20 Qualcomm Inc Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
US5471665A (en) * 1994-10-18 1995-11-28 Motorola, Inc. Differential DC offset compensation circuit
US5724653A (en) * 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
US5901347A (en) * 1996-01-17 1999-05-04 Motorola, Inc. Fast automatic gain control circuit and method for zero intermediate frequency receivers and radiotelephone using same
US6498929B1 (en) * 1996-06-21 2002-12-24 Kabushiki Kaisha Toshiba Receiver having DC offset decreasing function and communication system using the same
KR20000064336A (ko) * 1996-09-06 2000-11-06 요트.게.아. 롤페즈 제로 중간 주파수 수신기
DE19847014A1 (de) * 1998-10-13 2000-04-20 Bosch Gmbh Robert Filtervorrichtung zum Ausfiltern von Versorgungsspannungsstörungen
EP1083668A4 (de) * 1999-02-25 2004-06-16 Mitsubishi Electric Corp Funkendgerät
US6362687B2 (en) * 1999-05-24 2002-03-26 Science & Technology Corporation Apparatus for and method of controlling amplifier output offset using body biasing in MOS transistors
KR100356022B1 (ko) * 1999-11-23 2002-10-18 한국전자통신연구원 씨모스 가변이득 앰프 및 그 제어 방법
CA2329100A1 (en) * 1999-12-21 2001-06-21 Nortel Networks Limited Phase and amplitude detector and method of determining errors
US6459889B1 (en) * 2000-02-29 2002-10-01 Motorola, Inc. DC offset correction loop for radio receiver
JP3544506B2 (ja) * 2000-03-24 2004-07-21 埼玉日本電気株式会社 自動利得制御装置
WO2001076067A1 (en) * 2000-03-31 2001-10-11 Koninklijke Philips Electronics N.V. Narrow band am front end
US6590448B1 (en) * 2000-09-01 2003-07-08 Texas Instruments Incorporated Operational amplifier topology and method
US6560448B1 (en) * 2000-10-02 2003-05-06 Intersil Americas Inc. DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture
JP2002185275A (ja) * 2000-10-06 2002-06-28 Toshiba Corp 可変利得増幅器
US6407630B1 (en) * 2001-01-04 2002-06-18 Silicon Integrated Systems Corporation DC offset cancelling circuit applied in a variable gain amplifier
US6545534B1 (en) * 2001-02-13 2003-04-08 Analog Devices, Inc. Low voltage variable gain amplifier with constant input impedance and adjustable one-pole filtering characteristic
US7079599B2 (en) * 2001-02-28 2006-07-18 Broadcom Corporation Multi-mode quadrature amplitude modulation receiver for high rate wireless personal area networks
US6560447B2 (en) * 2001-03-05 2003-05-06 Motorola, Inc. DC offset correction scheme for wireless receivers
US6498927B2 (en) * 2001-03-28 2002-12-24 Gct Semiconductor, Inc. Automatic gain control method for highly integrated communication receiver
US6801089B2 (en) * 2001-05-04 2004-10-05 Sequoia Communications Continuous variable-gain low-noise amplifier
JP2003198404A (ja) * 2001-12-26 2003-07-11 Matsushita Electric Ind Co Ltd ダイレクトコンバージョン受信機及びこれを用いた移動無線機、並びにｒｆ信号の受信方法

Also Published As

Publication number Publication date
US20030017815A1 (en) 2003-01-23
ATE403969T1 (de) 2008-08-15
US7065336B2 (en) 2006-06-20
ES2311586T3 (es) 2009-02-16
EP1271768A1 (de) 2003-01-02

Similar Documents

Publication Publication Date Title
DE60228025D1 (de) Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung
CN101183859B (zh) 音频压缩器和音频压缩方法
EP1193857A3 (de) DC-Fehlerkorrektion eines Direktumsetz-Empfängers
EP1237297A3 (de) Funk-Kommunikationsendgerät und Verstärkungsregelungsschaltung hierfür
TW200618464A (en) Low noise audio amplifier
WO2000001063A3 (en) A variable gain amplifier using impedance network
EP1662841A2 (de) Akustiksystem mit automatischer Umschaltung
TW200705798A (en) Audio signal amplifying circuit and electronic device using the same
US6845252B2 (en) Programmable echo cancellation filter
EP1324503A3 (de) Direktkonversionsempfänger, mobile Radioausrüstung, die diesen benutzt und Radiofrequenzsignalempfangsverfahren
DE60213439D1 (de) Schaltung zur automatischen verstärkungsregelung und ein hf-empfänger und verfahren zur verwendung einer solchen schaltung
WO2002011283A3 (en) Amplitude limitation
CN111490739A (zh) 一种放大音频信号的装置以及设备
WO2002080416A3 (en) Dynamic automatic gain control circuit employing kalman filtering
KR950002204A (ko) 자동이득 제어장치
WO2003038993A3 (en) Method and apparatus for automated current balance adjustment for parallel combined amplification elements
WO2006135573A3 (en) Single amplifier presample processing circuitry
ATE467266T1 (de) Verfahren und vorrichtung zur automatischen verstärkungsregelung eines drahtlosen empfängers
ATE356470T1 (de) Empfangsschaltung für mobilfunkempfänger mit automatischer verstärkungssteuerung
CA2276797A1 (en) Method for improving the wanted signal in a radio receiving unit
ATE319234T1 (de) Verfahren und vorrichtung zur leistungskontrolle eines ubertragungs-elements
EP1175007A3 (de) Transkonduktanz-Kondensator Filtersystem
EP1528667A3 (de) Einstellbarer Verstärker und mobiles, schnurloses Endgerät mit einem solchen Verstärker
EP1271770A3 (de) Analoge Basisbandeinheit für Hochfrequenzempfänger und Verfahren zu ihrer Nutzung
EP0844770A3 (de) Hochspannungsdetektorschaltung, Klingelsignalsdetektorschaltung, und Rufempfangsdetektorschaltung ohne Klingel

Legal Events

Date Code Title Description
8364 No opposition during term of opposition