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DE69732459D1 - Selektivrufempfänger mit schrittweise variabler verstärkungsregelung und hysteresis - Google Patents

Selektivrufempfänger mit schrittweise variabler verstärkungsregelung und hysteresis

Info

Publication number
DE69732459D1
DE69732459D1 DE69732459T DE69732459T DE69732459D1 DE 69732459 D1 DE69732459 D1 DE 69732459D1 DE 69732459 T DE69732459 T DE 69732459T DE 69732459 T DE69732459 T DE 69732459T DE 69732459 D1 DE69732459 D1 DE 69732459D1
Authority
DE
Germany
Prior art keywords
hysteresis
gain control
variable gain
selective call
call receiver
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
DE69732459T
Other languages
English (en)
Other versions
DE69732459T2 (de
Inventor
Herbert Callaway
Gregory Mittel
Howard Peterson
Burkhard Dick
Knud Holvoeth
Wilfried Knop
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.)
Koninklijke Philips NV
Motorola Solutions Inc
Original Assignee
Philips Electronics NV
Motorola Inc
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 Philips Electronics NV, Motorola Inc filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69732459D1 publication Critical patent/DE69732459D1/de
Publication of DE69732459T2 publication Critical patent/DE69732459T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03G3/3052—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
    • H03G3/3073—Circuits generating control signals when no carrier is present, or in SSB, CW or pulse receivers
    • 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
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
DE69732459T 1996-03-27 1997-03-25 Selektivrufempfänger mit schrittweise variabler verstärkungsregelung und hysteresis Expired - Lifetime DE69732459T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US625435 1996-03-27
US08/625,435 US5734974A (en) 1996-03-27 1996-03-27 Selective call receivers with stepwise variable gain control
PCT/IB1997/000295 WO1997036372A1 (en) 1996-03-27 1997-03-25 Selective call receivers with stepwise variable gain control with hysteresis

Publications (2)

Publication Number Publication Date
DE69732459D1 true DE69732459D1 (de) 2005-03-17
DE69732459T2 DE69732459T2 (de) 2006-01-12

Family

ID=24506069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732459T Expired - Lifetime DE69732459T2 (de) 1996-03-27 1997-03-25 Selektivrufempfänger mit schrittweise variabler verstärkungsregelung und hysteresis

Country Status (5)

Country Link
US (1) US5734974A (de)
EP (1) EP0829134B1 (de)
JP (1) JPH11507494A (de)
DE (1) DE69732459T2 (de)
WO (1) WO1997036372A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0798850B1 (de) * 1996-03-27 2004-10-13 Philips Intellectual Property & Standards GmbH Verbesserung in oder bezüglich Radioempfänger
JP3180682B2 (ja) * 1996-09-19 2001-06-25 日本電気株式会社 受信機
US5892800A (en) * 1997-03-20 1999-04-06 Sigmatel, Inc. Data detection circuit having a pre-amplifier circuit
DE19712161C2 (de) * 1997-03-22 1999-04-15 Lucent Tech Network Sys Gmbh Vorrichtung zur Pulsformung von Hochfrequenzsignalen
JPH10276125A (ja) * 1997-03-28 1998-10-13 Matsushita Electric Ind Co Ltd 移動無線受信装置
US6571083B1 (en) * 1999-05-05 2003-05-27 Motorola, Inc. Method and apparatus for automatic simulcast correction for a correlation detector
FR2795259B1 (fr) * 1999-06-15 2007-05-11 Sagem Telephone mobile ayant une chaine de numerisation a gain variable rapidement et procede de numerisation par un tel telephone
US6614806B1 (en) * 2000-01-06 2003-09-02 Motorola Inc. Method and apparatus for interfering receiver signal overload protection
ATE303671T1 (de) * 2000-07-11 2005-09-15 Koninkl Philips Electronics Nv Schaltung zur automatischen verstärkungsregelung
JP2002050976A (ja) * 2000-08-07 2002-02-15 Sony Corp アンテナユニットおよび受信機
GB2369504A (en) * 2000-11-28 2002-05-29 Ubinetics Ltd Gain control in a receiver using a parameter to determine if gain should be adjusted in order to bring a signal amplitude within a defined range
US6766153B2 (en) 2001-04-02 2004-07-20 Itran Communications Ltd. Dynamic automatic gain control circuit employing kalman filtering
US7809087B2 (en) * 2002-04-26 2010-10-05 Qualcomm, Incorporated Power detection techniques and discrete gain state selection for wireless networking
US20050078775A1 (en) * 2002-09-23 2005-04-14 Martin Hellmark Mitigating the impact of phase steps
US6798286B2 (en) * 2002-12-02 2004-09-28 Broadcom Corporation Gain control methods and systems in an amplifier assembly
EP1614233A4 (de) * 2003-04-15 2007-06-27 Rf Monolithics System, verfahren und schaltung zur verbesserung des dynamikumfangs in einem kommunikationssystem
JP4289667B2 (ja) 2003-09-16 2009-07-01 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 可変利得制御回路および受信装置
JP2006270582A (ja) * 2005-03-24 2006-10-05 Casio Comput Co Ltd 受信回路
US7760799B2 (en) * 2005-09-28 2010-07-20 Altera Corporation Programmable digital equalization control circuitry and methods
US20080070521A1 (en) * 2006-09-12 2008-03-20 Honeywell International Inc. System and method for controlling gain of related signals
US7782088B1 (en) 2007-02-15 2010-08-24 Altera Corporation Sharing adaptive dispersion compensation engine among programmable logic device serial interface channels
US8208528B1 (en) 2007-12-13 2012-06-26 Altera Corporation Programmable adaptation convergence detection
US8175143B1 (en) 2008-02-26 2012-05-08 Altera Corporation Adaptive equalization using data level detection
US7920026B2 (en) * 2008-04-07 2011-04-05 National Semiconductor Corporation Amplifier output stage with extended operating range and reduced quiescent current
US9891311B2 (en) * 2014-07-30 2018-02-13 Nxp B.V. Method of secure RF ranging under strong multipath reflections

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013964A (en) * 1975-10-22 1977-03-22 Motorola, Inc. Automatic gain control means for a single sideband radio receiver
GB2209444B (en) * 1987-07-21 1992-03-18 Plessey Co Plc Improvements in or relating to amplifiers
JPH01185008A (ja) * 1988-01-19 1989-07-24 Nec Corp 利得可変増幅器
US5161170A (en) * 1990-01-16 1992-11-03 The Johns Hopkins University Discrete automatic gain control with high stability, high speed and low distortion
US5036527A (en) * 1990-02-05 1991-07-30 Hayes Microcomputer Products, Inc. Iterative automatic gain control for an analog front end of a modem
AU5602694A (en) * 1992-12-08 1994-07-04 Motorola, Inc. Selective call receiver with battery saving function in first and second modes and method therefor

Also Published As

Publication number Publication date
EP0829134A1 (de) 1998-03-18
JPH11507494A (ja) 1999-06-29
DE69732459T2 (de) 2006-01-12
US5734974A (en) 1998-03-31
EP0829134B1 (de) 2005-02-09
WO1997036372A1 (en) 1997-10-02

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