DK0472510T3 - Forsinkelseskompensering for en logaritmisk forstærker/detektor - Google Patents

Forsinkelseskompensering for en logaritmisk forstærker/detektor

Info

Publication number
DK0472510T3
DK0472510T3 DK91850204.8T DK91850204T DK0472510T3 DK 0472510 T3 DK0472510 T3 DK 0472510T3 DK 91850204 T DK91850204 T DK 91850204T DK 0472510 T3 DK0472510 T3 DK 0472510T3
Authority
DK
Denmark
Prior art keywords
detector
delay compensation
logarithmic amplifier
logarithmic
amplifier
Prior art date
Application number
DK91850204.8T
Other languages
English (en)
Inventor
Paul Wilkinson Dent
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 DK0472510T3 publication Critical patent/DK0472510T3/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/001—Volume compression or expansion in amplifiers without controlling loop
    • 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
DK91850204.8T 1990-08-21 1991-08-21 Forsinkelseskompensering for en logaritmisk forstærker/detektor DK0472510T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/570,607 US5070303A (en) 1990-08-21 1990-08-21 Logarithmic amplifier/detector delay compensation

Publications (1)

Publication Number Publication Date
DK0472510T3 true DK0472510T3 (da) 1996-07-15

Family

ID=24280325

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91850204.8T DK0472510T3 (da) 1990-08-21 1991-08-21 Forsinkelseskompensering for en logaritmisk forstærker/detektor

Country Status (13)

Country Link
US (1) US5070303A (da)
EP (1) EP0472510B1 (da)
JP (1) JP3213343B2 (da)
AU (1) AU650670B2 (da)
CA (1) CA2049544C (da)
DE (1) DE69117390T2 (da)
DK (1) DK0472510T3 (da)
ES (1) ES2086519T3 (da)
FI (1) FI105507B (da)
HK (1) HK90896A (da)
MX (1) MX9100682A (da)
NO (1) NO175608C (da)
NZ (1) NZ239286A (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2995886B2 (ja) * 1991-02-28 1999-12-27 日本電気株式会社 対数増幅回路
CA2069243C (en) * 1991-05-23 1997-08-19 Katsuji Kimura Logarithmic intermediate-frequency amplifier
US5298811A (en) * 1992-08-03 1994-03-29 Analog Devices, Inc. Synchronous logarithmic amplifier
US5296761A (en) * 1992-11-23 1994-03-22 North American Philips Corporation Temperature-compensated logarithmic detector having a wide dynamic range
US6195399B1 (en) * 1994-03-28 2001-02-27 Ericsson Inc. Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal
JPH11501790A (ja) * 1995-12-11 1999-02-09 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 対数レベル検出器及び無線受信機
US6205183B1 (en) 1998-05-29 2001-03-20 Ericsson Inc. Methods of suppressing reference oscillator harmonic interference and related receivers
US6567475B1 (en) 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US6625236B1 (en) 2000-02-08 2003-09-23 Ericsson Inc. Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions
US6961368B2 (en) * 2001-01-26 2005-11-01 Ericsson Inc. Adaptive antenna optimization network
US6911859B2 (en) * 2003-04-28 2005-06-28 Bae Systems Information And Electronic Systems Integration Inc. Method and apparatus for conversionless direct detection
US7711764B2 (en) * 2004-06-04 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Pipelined real or complex ALU
US7689639B2 (en) 2004-06-04 2010-03-30 Telefonaktiebolaget Lm Ericsson (Publ) Complex logarithmic ALU
US8316068B2 (en) * 2004-06-04 2012-11-20 Telefonaktiebolaget Lm Ericsson (Publ) Memory compression
JP4542401B2 (ja) * 2004-09-15 2010-09-15 日本無線株式会社 レーダ受信機およびレーダ装置
US7839137B2 (en) * 2005-07-19 2010-11-23 University Of Florida Research Foundation, Inc. Distributed RF/microwave power detector
EP2147322B1 (en) * 2007-05-14 2013-03-06 Hittite Microwave Corporation Rf detector with crest factor measurement
US20100226448A1 (en) 2009-03-05 2010-09-09 Paul Wilkinson Dent Channel extrapolation from one frequency and time to another
US8116710B2 (en) 2009-06-04 2012-02-14 Telefonaktiebolaget L M Ericsson (Publ) Continuous sequential scatterer estimation
US20110150049A1 (en) 2009-12-23 2011-06-23 Dent Paul W Mimo channel loopback
US8401487B2 (en) 2009-12-30 2013-03-19 Telefonaktiebolaget L M Ericsson (Publ) Radio channel analyzer to determine doppler shifts across multiple frequencies of a wideband signal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL292166A (da) * 1962-05-02
US3403347A (en) * 1965-02-15 1968-09-24 Navy Usa High accuracy instantaneous intermediate frequency logarithmic amplifier
US3435353A (en) * 1966-02-04 1969-03-25 Hewlett Packard Co Amplifier-detector having wide dynamic range
US3605027A (en) * 1969-02-19 1971-09-14 Us Navy Amplifier
US3668535A (en) * 1970-01-15 1972-06-06 Varian Associates Logarithmic rf amplifier employing successive detection
US3745474A (en) * 1971-12-20 1973-07-10 Us Navy High speed logarithmic video amplifier
US3745374A (en) * 1972-01-26 1973-07-10 Us Navy Logarithmic amplifier and limiter
DE2606270C3 (de) * 1976-02-17 1978-11-23 Siemens Ag, 1000 Berlin Und 8000 Muenchen Mehrstufige Begrenzerverstärkerschaltung
US4442549A (en) * 1982-05-27 1984-04-10 Motorola, Inc. Meter drive circuit
SU1238112A1 (ru) * 1983-09-02 1986-06-15 Предприятие П/Я А-7162 Логарифмический усилитель
US4551688A (en) * 1984-05-23 1985-11-05 Rockwell International Corporation Delay compensated automatic gain control
US4574251A (en) * 1984-10-01 1986-03-04 Motorola, Inc. Logarithmic digitally variable gain controlled amplifier
US4716316A (en) * 1985-02-04 1987-12-29 Varian Associates, Inc. Full wave, self-detecting differential logarithmic rf amplifier
SE449544B (sv) * 1985-09-06 1987-05-04 Ellemtel Utvecklings Ab Fasavstemningsanordning
US4797586A (en) * 1987-11-25 1989-01-10 Tektronix, Inc. Controllable delay circuit
NL8800510A (nl) * 1988-02-29 1989-09-18 Philips Nv Schakeling voor het lineair versterken en demoduleren van een am-gemoduleerd signaal en geintegreerd halfgeleiderelement daarvoor.

Also Published As

Publication number Publication date
EP0472510B1 (en) 1996-02-28
EP0472510A3 (en) 1992-09-16
NO913151L (no) 1992-02-24
NZ239286A (en) 1994-06-27
US5070303A (en) 1991-12-03
DE69117390D1 (de) 1996-04-04
NO175608C (no) 1994-11-02
EP0472510A2 (en) 1992-02-26
MX9100682A (es) 1992-04-01
FI913931A0 (fi) 1991-08-20
DE69117390T2 (de) 1996-07-11
NO175608B (no) 1994-07-25
FI105507B (fi) 2000-08-31
CA2049544A1 (en) 1992-02-22
ES2086519T3 (es) 1996-07-01
AU8257691A (en) 1992-02-27
JP3213343B2 (ja) 2001-10-02
HK90896A (en) 1996-05-31
JPH06132753A (ja) 1994-05-13
AU650670B2 (en) 1994-06-30
CA2049544C (en) 2000-11-07
FI913931A (fi) 1992-02-22
NO913151D0 (no) 1991-08-13

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