ATE413018T1 - Verfahren und vorrichtung zur reduzierung von schaltspitzen aufgrund von automatischen verstärkungsumschaltungen - Google Patents

Verfahren und vorrichtung zur reduzierung von schaltspitzen aufgrund von automatischen verstärkungsumschaltungen

Info

Publication number
ATE413018T1
ATE413018T1 AT02445137T AT02445137T ATE413018T1 AT E413018 T1 ATE413018 T1 AT E413018T1 AT 02445137 T AT02445137 T AT 02445137T AT 02445137 T AT02445137 T AT 02445137T AT E413018 T1 ATE413018 T1 AT E413018T1
Authority
AT
Austria
Prior art keywords
agc
switching
automatic gain
peaks due
reducing
Prior art date
Application number
AT02445137T
Other languages
English (en)
Inventor
Mats I Eriksson
Patrik Eriksson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE413018T1 publication Critical patent/ATE413018T1/de

Links

Classifications

    • 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
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers
    • 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
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/186—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal
    • H03M1/187—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedforward mode, i.e. by determining the range to be selected directly from the input signal using an auxiliary analogue/digital converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Transmission System (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT02445137T 2001-10-31 2002-10-18 Verfahren und vorrichtung zur reduzierung von schaltspitzen aufgrund von automatischen verstärkungsumschaltungen ATE413018T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/984,879 US6963733B2 (en) 2001-10-31 2001-10-31 Method and apparatus for reducing the effect of AGC switching transients

Publications (1)

Publication Number Publication Date
ATE413018T1 true ATE413018T1 (de) 2008-11-15

Family

ID=25530967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02445137T ATE413018T1 (de) 2001-10-31 2002-10-18 Verfahren und vorrichtung zur reduzierung von schaltspitzen aufgrund von automatischen verstärkungsumschaltungen

Country Status (4)

Country Link
US (1) US6963733B2 (de)
EP (1) EP1309093B1 (de)
AT (1) ATE413018T1 (de)
DE (1) DE60229606D1 (de)

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US8467473B2 (en) * 2006-03-31 2013-06-18 Broadcom Corporation Power control techniques for wireless transmitters
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US7729675B2 (en) * 2006-12-08 2010-06-01 Silicon Laboratories Inc. Reducing noise during a gain change
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EP1993204B1 (de) * 2007-05-15 2013-08-28 Alcatel Lucent Verfahren zur Anpassung der Leistung eines Funkfrequenzempfängers
US7805116B2 (en) * 2007-09-28 2010-09-28 Freescale Semiconductor, Inc. Gain control methods for wireless devices and transmitters
US20090175468A1 (en) * 2008-01-09 2009-07-09 Mediatek Inc. Methods for preventing unwanted sound caused by gain changes
US7573410B1 (en) * 2008-03-04 2009-08-11 Broadcom Corporation Gain step calibration in a mobile cellular transmitter
WO2009125322A1 (en) * 2008-04-08 2009-10-15 Nxp B.V. Radio receiver gain control
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JP5887433B2 (ja) * 2012-03-06 2016-03-16 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 受信ステージおよび受信する方法
DE102012110737B4 (de) * 2012-11-09 2020-12-10 Infineon Technologies Ag Analog-Digital-Wandler-Anordnung
WO2014116068A1 (en) 2013-01-25 2014-07-31 Samsung Electronics Co., Ltd. Method and apparatus for controlling gain in communicaton system supproting beam forming scheme
US8890727B1 (en) * 2013-06-07 2014-11-18 Mediatek Singapore Pte. Ltd. Analog-to-digital converter circuit, integrated circuit, electronic device and method therefor
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CN106571787B (zh) * 2016-11-13 2019-02-01 天津大学 一种数模混合自动增益控制放大器
US9871530B1 (en) 2016-12-11 2018-01-16 John Howard La Grou Multi-path analog-to-digital and digital-to-analog conversion of PDM signals
US10256782B2 (en) 2017-04-25 2019-04-09 John Howard La Grou Multi-path power amplifier
US10594281B1 (en) 2019-03-04 2020-03-17 Ciena Corporation Receiver automatic gain control systems and methods for asymmetrical or unbalanced constellations
US11616492B1 (en) * 2021-11-30 2023-03-28 L3Harris Technologies, Inc. Time-adaptive RF hybrid filter structures
CN115390146B (zh) * 2022-08-26 2025-03-21 中南大学 瞬变信号测量方法、装置、系统及相关设备
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Also Published As

Publication number Publication date
US20030083031A1 (en) 2003-05-01
EP1309093A3 (de) 2004-10-27
EP1309093A2 (de) 2003-05-07
US6963733B2 (en) 2005-11-08
EP1309093B1 (de) 2008-10-29
DE60229606D1 (de) 2008-12-11

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