DE69320442T2 - Vorrichtung mit Signalstärkenindikator und Schaltungsanordnung mit logarithmischem Detektor - Google Patents

Vorrichtung mit Signalstärkenindikator und Schaltungsanordnung mit logarithmischem Detektor

Info

Publication number
DE69320442T2
DE69320442T2 DE69320442T DE69320442T DE69320442T2 DE 69320442 T2 DE69320442 T2 DE 69320442T2 DE 69320442 T DE69320442 T DE 69320442T DE 69320442 T DE69320442 T DE 69320442T DE 69320442 T2 DE69320442 T2 DE 69320442T2
Authority
DE
Germany
Prior art keywords
signal strength
circuit arrangement
strength indicator
logarithmic detector
logarithmic
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 - Fee Related
Application number
DE69320442T
Other languages
English (en)
Other versions
DE69320442D1 (de
Inventor
Ali Fotowat-Ahmady
Nasrollah Saeed Navid
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
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69320442D1 publication Critical patent/DE69320442D1/de
Publication of DE69320442T2 publication Critical patent/DE69320442T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
DE69320442T 1992-11-23 1993-11-17 Vorrichtung mit Signalstärkenindikator und Schaltungsanordnung mit logarithmischem Detektor Expired - Fee Related DE69320442T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/974,631 US5296761A (en) 1992-11-23 1992-11-23 Temperature-compensated logarithmic detector having a wide dynamic range

Publications (2)

Publication Number Publication Date
DE69320442D1 DE69320442D1 (de) 1998-09-24
DE69320442T2 true DE69320442T2 (de) 1999-03-25

Family

ID=25522275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320442T Expired - Fee Related DE69320442T2 (de) 1992-11-23 1993-11-17 Vorrichtung mit Signalstärkenindikator und Schaltungsanordnung mit logarithmischem Detektor

Country Status (4)

Country Link
US (1) US5296761A (de)
EP (1) EP0599399B1 (de)
JP (1) JP3476521B2 (de)
DE (1) DE69320442T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298811A (en) * 1992-08-03 1994-03-29 Analog Devices, Inc. Synchronous logarithmic amplifier
GB2281425B (en) * 1993-08-27 1997-10-29 Plessey Semiconductors Ltd Logarithmic detector
DE4427974C1 (de) * 1994-08-08 1996-01-18 Siemens Ag Bipolare kaskadierbare Schaltungsanordnung zur Signalbegrenzung und Feldstärkedetektion
US5481218A (en) * 1994-09-30 1996-01-02 Telefonaktiebolaget Lm Ericsson Logarithmic converter
US5596299A (en) * 1995-05-30 1997-01-21 Philips Electronics North America Corporation IF amplifier/limiter with positive feedback
US5790943A (en) * 1995-10-06 1998-08-04 Philips Electronics North America Corporation Dynamic range extension of a log amplifier with temperature and process compensation
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
DE19603722B4 (de) * 1996-02-02 2005-03-31 Atmel Germany Gmbh HF-Eingangsstufe
DE19608861A1 (de) * 1996-03-07 1997-09-11 Philips Patentverwaltung Schaltungsanordnung mit einer logarithmischen Übertragungsfunktion
US5805011A (en) * 1997-01-03 1998-09-08 Lucent Technologies Inc. Self-calibration system for logarithmic amplifiers
JP3185741B2 (ja) * 1998-02-24 2001-07-11 日本電気株式会社 無線選択呼出受信機
US7180359B2 (en) * 2004-12-22 2007-02-20 Analog Devices, Inc. Logarithmic temperature compensation for detectors
US7683694B2 (en) * 2007-03-14 2010-03-23 Quantance, Inc. Low noise logarithmic detector
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
CN115015824B (zh) * 2022-06-16 2024-01-23 成都仕芯半导体有限公司 对数检波器校准电路及校准方法及对数检波器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417263A (en) * 1965-03-18 1968-12-17 Ansitron Inc Logarithmic amplifier
US3745474A (en) * 1971-12-20 1973-07-10 Us Navy High speed logarithmic video amplifier
US3848139A (en) * 1973-09-14 1974-11-12 Fairchild Camera Instr Co High-gain comparator circuit
NL7508771A (nl) * 1975-07-23 1977-01-25 Philips Nv Gelijkrichtschakeling.
US4429416A (en) * 1982-03-26 1984-01-31 National Semiconductor Corporation Multistage cascade/cascode limiting IF amplifier and meter circuit
US4593268A (en) * 1983-02-22 1986-06-03 Signetics Corporation Analog-to-digital converter using absolute-value conversion
EP0331246B1 (de) * 1988-02-29 1994-01-19 Koninklijke Philips Electronics N.V. Logarithmischer Verstärker
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.
US5130567A (en) * 1989-05-12 1992-07-14 U.S. Philips Corporation Bipolar transistor arrangement with distortion compensation
JP2643516B2 (ja) * 1990-02-01 1997-08-20 日本電気株式会社 対数増幅回路
US5070303A (en) * 1990-08-21 1991-12-03 Telefonaktiebolaget L M Ericsson Logarithmic amplifier/detector delay compensation
DE69206196T2 (de) * 1991-06-03 1996-06-27 Philips Electronics Nv Logarithmischer Verstärker und Detektor.

Also Published As

Publication number Publication date
US5296761A (en) 1994-03-22
JP3476521B2 (ja) 2003-12-10
EP0599399B1 (de) 1998-08-19
EP0599399A1 (de) 1994-06-01
DE69320442D1 (de) 1998-09-24
JPH06213676A (ja) 1994-08-05

Similar Documents

Publication Publication Date Title
DE69323289D1 (de) Tastsonde und Signalverarbeitungsschaltung dafür
DE69320442T2 (de) Vorrichtung mit Signalstärkenindikator und Schaltungsanordnung mit logarithmischem Detektor
DE3855506D1 (de) Differenzverstärker und Strommessschaltung mit einem solchen Verstärker
JPS5717541A (en) Prior invasion detecting and warning device
GB2228333B (en) Signal strength indicator with alarm
DE69207983D1 (de) Kalibrier- und Messgerät
GB8913478D0 (en) Smoke detector devices and detector circuit
DE69122338D1 (de) Synchronsignal-Detektorschaltung und dieselbe enthaltender Synchronsignal-Detektorapparat
KR890017659A (ko) 조작위치검출 장치 및 그것을 사용한 전자악기
DE59107161D1 (de) SQUID-Messeinrichtung mit Abschirmmitteln
FR2619925B1 (fr) Dispositif de mesure de courants forts
DE69130270D1 (de) Signalverarbeitung und -erkennung
DE69221516T2 (de) Automatische Schaltungsprüfeinrichtung mit getrennten Instrumenten- und Abtasterbussen
DE69118247T2 (de) Radargerät mit Störungsindikator und Empfangsvorrichtung mit Störungsindikator
EP0405593A3 (en) High frequency signal measuring equipment with cabled detecting and signal companding
DE59107632D1 (de) Schaltungsanordnung zur Signalbegrenzung und Feldstärkendetektion
DE69228337T2 (de) Erkennungs- und Beurteilungsgerät
EP0362410A4 (en) Transition condition detector and measuring instrument utilizing the same
DE59201192D1 (de) Schaltungsanordnung zur Signalbegrenzung und Feldstärkedetektion.
DE69229687T2 (de) Gerät zur Erkennung und Beurteilung
KR900015084U (ko) 신호 및 잡음 검출회로
ZA893932B (en) Residual current measuring and alarm device
KR900009321U (ko) 약전계 및 무신호시 단색 표시회로
IT8604803A0 (it) Rilevatore e segnalatore. dispositivo elettronico multiuso
DE68903948T2 (de) Programmierbares alarmsystem mit naeherungsdetektor mit sprechender alarmanlage und berichterstattungseinrichtung.

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee