ES2041393T3 - Disposicion de un circuito para la amplificacion lineal y la desmodulacion de una senal modulada-am y un elemento de un semiconductor integrado para la citada disposicion del circuito. - Google Patents
Disposicion de un circuito para la amplificacion lineal y la desmodulacion de una senal modulada-am y un elemento de un semiconductor integrado para la citada disposicion del circuito.Info
- Publication number
- ES2041393T3 ES2041393T3 ES198989200428T ES89200428T ES2041393T3 ES 2041393 T3 ES2041393 T3 ES 2041393T3 ES 198989200428 T ES198989200428 T ES 198989200428T ES 89200428 T ES89200428 T ES 89200428T ES 2041393 T3 ES2041393 T3 ES 2041393T3
- Authority
- ES
- Spain
- Prior art keywords
- circuit
- disposition
- demodulation
- modulated signal
- integrated semiconductor
- 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
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Circuits Of Receivers In General (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
AMPLIFICADOR LINEAL Y DESMODULADOR PARA SEÑALES MODULADAS DE MODULACION DE AMPLITUD QUE CONSTA DE UN AMPLIFICADOR LOGARITMICO (LA) CON UN NUMERO DE FASES DE AMPLIFICADOR (AI) QUE EJECUTAN SUCESIVAMENTE SUS ACCIONES DE LIMITE, UN CIRCUITO ANTILOGARITMICO (AL) Y UNA SEPARACION DE CORRIENTE CONTINUA (C) ENTRE EL AMPLIFICADOR LOGARITMICO (LA) Y EL CIRCUITO ANTILOGARITMICO (AL).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800510A NL8800510A (nl) | 1988-02-29 | 1988-02-29 | Schakeling voor het lineair versterken en demoduleren van een am-gemoduleerd signaal en geintegreerd halfgeleiderelement daarvoor. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2041393T3 true ES2041393T3 (es) | 1993-11-16 |
Family
ID=19851870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198989200428T Expired - Lifetime ES2041393T3 (es) | 1988-02-29 | 1989-02-22 | Disposicion de un circuito para la amplificacion lineal y la desmodulacion de una senal modulada-am y un elemento de un semiconductor integrado para la citada disposicion del circuito. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4972512A (es) |
EP (1) | EP0331234B1 (es) |
JP (1) | JPH0756925B2 (es) |
KR (1) | KR970007753B1 (es) |
CN (1) | CN1012925B (es) |
AU (1) | AU626289B2 (es) |
BR (1) | BR8900893A (es) |
CA (1) | CA1297951C (es) |
DE (1) | DE68906567T2 (es) |
ES (1) | ES2041393T3 (es) |
HK (1) | HK141794A (es) |
MY (1) | MY104407A (es) |
NL (1) | NL8800510A (es) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2643516B2 (ja) * | 1990-02-01 | 1997-08-20 | 日本電気株式会社 | 対数増幅回路 |
US5155614A (en) * | 1990-03-02 | 1992-10-13 | Duncan Industries Parking Control Systems Corp. | Low-power demodulating receiver with amplifier stages sharing the same bias current |
US5070303A (en) * | 1990-08-21 | 1991-12-03 | Telefonaktiebolaget L M Ericsson | Logarithmic amplifier/detector delay compensation |
NL9002279A (nl) * | 1990-10-19 | 1992-05-18 | Philips Nv | Meetinrichting met normeringscircuit. |
JP2687713B2 (ja) * | 1990-10-30 | 1997-12-08 | 日本電気株式会社 | 対数増幅回路 |
JP2995886B2 (ja) * | 1991-02-28 | 1999-12-27 | 日本電気株式会社 | 対数増幅回路 |
EP0510227B1 (de) * | 1991-04-24 | 1996-03-27 | Siemens Aktiengesellschaft | Schaltungsanordnung zur Signalbegrenzung und Feldstärkendetektion |
SG48040A1 (en) * | 1991-05-23 | 1998-04-17 | Nec Corp | Logarithmic intermediate-frequency amplifier |
US5221907A (en) * | 1991-06-03 | 1993-06-22 | International Business Machines Corporation | Pseudo logarithmic analog step adder |
DE69206196T2 (de) * | 1991-06-03 | 1996-06-27 | Philips Electronics Nv | Logarithmischer Verstärker und Detektor. |
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 |
DE59408529D1 (de) * | 1993-01-13 | 1999-09-02 | Temic Semiconductor Gmbh | Schaltungsanordnung zur Erzeugung eines exponentiell von einem Eingangssignal abhängigen Ausgangssignals |
JPH07111484A (ja) * | 1993-08-20 | 1995-04-25 | Hitachi Ltd | 無線通信装置 |
US5490057A (en) * | 1994-05-06 | 1996-02-06 | Vlt Corporation | Feedback control system having predictable open-loop gain |
DE19608861A1 (de) * | 1996-03-07 | 1997-09-11 | Philips Patentverwaltung | Schaltungsanordnung mit einer logarithmischen Übertragungsfunktion |
FI106413B (fi) * | 1996-07-11 | 2001-01-31 | Nokia Mobile Phones Ltd | Lineaarisen tehovahvistimen tehonsäätöpiiri |
JPH10243033A (ja) * | 1997-02-28 | 1998-09-11 | Oki Electric Ind Co Ltd | 復調装置 |
JPH11312988A (ja) * | 1998-04-30 | 1999-11-09 | Nec Corp | マイクロ波・ミリ波送信方法と送信装置 |
DE10051463A1 (de) * | 2000-10-17 | 2002-04-18 | Philips Corp Intellectual Pty | Schaltungsanordnung |
DE10060483A1 (de) * | 2000-12-06 | 2002-06-13 | Philips Corp Intellectual Pty | Schaltungsanordnung |
WO2004062142A1 (en) * | 2003-01-07 | 2004-07-22 | Philips Intellectual Property & Standards Gmbh | Method and circuit arrangement for determining the signal strength in receivers with complex signal processing |
US6911859B2 (en) * | 2003-04-28 | 2005-06-28 | Bae Systems Information And Electronic Systems Integration Inc. | Method and apparatus for conversionless direct detection |
US7002395B2 (en) * | 2003-09-16 | 2006-02-21 | Yuantonix, Inc. | Demodulating logarithmic amplifier |
US7417485B1 (en) * | 2003-09-23 | 2008-08-26 | Cypress Semiconductor Corporation | Differential energy difference integrator |
JP4578391B2 (ja) * | 2005-11-25 | 2010-11-10 | Okiセミコンダクタ株式会社 | 信号強度検出回路 |
GB0717031D0 (en) * | 2007-08-31 | 2007-10-10 | Raymarine Uk Ltd | Digital radar or sonar apparatus |
EP2941797B1 (en) | 2012-12-03 | 2019-11-20 | Dockon AG | Low noise detection system using log detector amplifier |
WO2014144958A1 (en) * | 2013-03-15 | 2014-09-18 | Forrest James Brown | Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability |
EP2973994B1 (en) | 2013-03-15 | 2021-07-21 | Dockon AG | Logarithmic amplifier with universal demodulation capabilities |
US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
EP3044723A4 (en) * | 2013-09-12 | 2017-05-03 | Dockon AG | Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion |
US11183974B2 (en) * | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
TWI684331B (zh) * | 2018-05-17 | 2020-02-01 | 智原科技股份有限公司 | 接收器及其共模電壓校準方法 |
CN113261004A (zh) * | 2019-02-01 | 2021-08-13 | 华为技术有限公司 | 一种对数放大器 |
TWI716817B (zh) * | 2019-02-19 | 2021-01-21 | 立積電子股份有限公司 | 其電晶體都是雙極性接面型電晶體的功率偵測器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3605027A (en) * | 1969-02-19 | 1971-09-14 | Us Navy | Amplifier |
US3757136A (en) * | 1971-12-20 | 1973-09-04 | Us Army | Direct coupled logarithmic video amplifier |
DE2545535C3 (de) * | 1975-10-10 | 1979-02-22 | Rohde & Schwarz, 8000 Muenchen | Schaltung zum Erzeugen einer dem Logarithmus einer Eingangswechselspannung entsprechenden Ausgangsgleichspannung |
DE2606270C3 (de) * | 1976-02-17 | 1978-11-23 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Mehrstufige Begrenzerverstärkerschaltung |
US4158859A (en) * | 1977-07-25 | 1979-06-19 | Hazeltine Corporation | Automatic control of iris and clamping voltage in video signal generator |
GB1600117A (en) * | 1978-01-31 | 1981-10-14 | Mullarkeyw J | Method of an apparatus for improving the signal to noise ratio of signals |
US4331931A (en) * | 1979-11-01 | 1982-05-25 | Dbx, Inc. | Gain control systems |
US4385364A (en) * | 1980-11-03 | 1983-05-24 | Motorola, Inc. | Electronic gain control circuit |
AU551633B2 (en) * | 1980-11-27 | 1986-05-08 | Sony Corporation | Signal level detecting circuit |
JPH0681005B2 (ja) * | 1985-11-01 | 1994-10-12 | 日本電気株式会社 | 対数検波回路 |
JPH0691375B2 (ja) * | 1985-11-01 | 1994-11-14 | 日本電気株式会社 | ビ−ト検出回路 |
US4716316A (en) * | 1985-02-04 | 1987-12-29 | Varian Associates, Inc. | Full wave, self-detecting differential logarithmic rf amplifier |
JPS6218843A (ja) * | 1985-07-17 | 1987-01-27 | Nec Corp | ビ−ト検出機能と電界検出機能を有する中間周波増幅回路 |
JPS6220429A (ja) * | 1985-07-18 | 1987-01-29 | Nec Corp | 対数検波if増幅器 |
-
1988
- 1988-02-29 NL NL8800510A patent/NL8800510A/nl not_active Application Discontinuation
-
1989
- 1989-02-21 US US07/313,669 patent/US4972512A/en not_active Expired - Fee Related
- 1989-02-22 ES ES198989200428T patent/ES2041393T3/es not_active Expired - Lifetime
- 1989-02-22 DE DE89200428T patent/DE68906567T2/de not_active Expired - Fee Related
- 1989-02-22 EP EP89200428A patent/EP0331234B1/en not_active Expired - Lifetime
- 1989-02-24 CA CA000591985A patent/CA1297951C/en not_active Expired - Lifetime
- 1989-02-24 KR KR1019890002155A patent/KR970007753B1/ko not_active IP Right Cessation
- 1989-02-25 CN CN89101165A patent/CN1012925B/zh not_active Expired
- 1989-02-25 MY MYPI89000232A patent/MY104407A/en unknown
- 1989-02-27 AU AU30777/89A patent/AU626289B2/en not_active Ceased
- 1989-02-27 BR BR898900893A patent/BR8900893A/pt not_active IP Right Cessation
- 1989-02-27 JP JP1043367A patent/JPH0756925B2/ja not_active Expired - Lifetime
-
1994
- 1994-12-15 HK HK141794A patent/HK141794A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU3077789A (en) | 1989-08-31 |
EP0331234A1 (en) | 1989-09-06 |
DE68906567T2 (de) | 1993-12-02 |
KR890013876A (ko) | 1989-09-26 |
NL8800510A (nl) | 1989-09-18 |
US4972512A (en) | 1990-11-20 |
CN1012925B (zh) | 1991-06-19 |
EP0331234B1 (en) | 1993-05-19 |
MY104407A (en) | 1994-03-31 |
JPH01261008A (ja) | 1989-10-18 |
CN1035594A (zh) | 1989-09-13 |
KR970007753B1 (ko) | 1997-05-16 |
AU626289B2 (en) | 1992-07-30 |
JPH0756925B2 (ja) | 1995-06-14 |
BR8900893A (pt) | 1989-10-24 |
CA1297951C (en) | 1992-03-24 |
HK141794A (en) | 1994-12-23 |
DE68906567D1 (de) | 1993-06-24 |
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