DE69514168T2 - Einstellbare widerstandsvorrichtung mit regelschaltung - Google Patents

Einstellbare widerstandsvorrichtung mit regelschaltung

Info

Publication number
DE69514168T2
DE69514168T2 DE69514168T DE69514168T DE69514168T2 DE 69514168 T2 DE69514168 T2 DE 69514168T2 DE 69514168 T DE69514168 T DE 69514168T DE 69514168 T DE69514168 T DE 69514168T DE 69514168 T2 DE69514168 T2 DE 69514168T2
Authority
DE
Germany
Prior art keywords
control
adjustable resistance
resistance device
adjustable
resistance
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
DE69514168T
Other languages
English (en)
Other versions
DE69514168D1 (de
Inventor
Wolfdietrich Kasperkovitz
Ruyter Hendricus De
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.)
NXP BV
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
Publication of DE69514168D1 publication Critical patent/DE69514168D1/de
Application granted granted Critical
Publication of DE69514168T2 publication Critical patent/DE69514168T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0433—Two integrator loop filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0472—Current or voltage controlled filters
DE69514168T 1994-03-07 1995-02-24 Einstellbare widerstandsvorrichtung mit regelschaltung Expired - Lifetime DE69514168T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94200557 1994-03-07
PCT/IB1995/000117 WO1995024712A2 (en) 1994-03-07 1995-02-24 Adjustable resistance device with control circuit

Publications (2)

Publication Number Publication Date
DE69514168D1 DE69514168D1 (de) 2000-02-03
DE69514168T2 true DE69514168T2 (de) 2000-08-31

Family

ID=8216689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69514168T Expired - Lifetime DE69514168T2 (de) 1994-03-07 1995-02-24 Einstellbare widerstandsvorrichtung mit regelschaltung

Country Status (6)

Country Link
US (1) US5493250A (de)
EP (1) EP0697150B1 (de)
JP (1) JPH09500254A (de)
KR (1) KR100399166B1 (de)
DE (1) DE69514168T2 (de)
WO (1) WO1995024712A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW363305B (en) * 1996-09-06 1999-07-01 Koninkl Philips Electronics Nv A receiver, a frequency synthesis circuit and a charge pump
US5912583A (en) * 1997-01-02 1999-06-15 Texas Instruments Incorporated Continuous time filter with programmable bandwidth and tuning loop
KR100442858B1 (ko) * 1997-11-18 2004-09-18 삼성전자주식회사 테스트 회로의 자동 저항 변환 장치 및 방법
FI107657B (fi) * 1998-03-11 2001-09-14 Nokia Mobile Phones Ltd Kytkentä differentiaalisen aktiivikomponentin impedanssin säätämiseksi
US6329865B1 (en) 1999-03-18 2001-12-11 Maxim Integrated Products, Inc. Linearized transconductance cell
TWI319198B (en) * 2005-08-19 2010-01-01 Via Tech Inc Adjustable termination resistor device ued in ic chip
US7385448B2 (en) * 2006-05-17 2008-06-10 Intelleflex Corporation Circuitry for adaptively generating and using a reference voltage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2620282C3 (de) * 1976-05-07 1979-01-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Nichtlinearer Gleichspannungsverstärker für Meßzwecke
JPS57208717A (en) * 1981-06-18 1982-12-21 Pioneer Electronic Corp Control circuit for voltage control variable attenuator
JPS59181811A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 可変抵抗回路
US4897611A (en) * 1988-10-28 1990-01-30 Micro Linear Corporation Very high gain positive feedback CMOS transconductance amplifier
US4873492A (en) * 1988-12-05 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Amplifier with modulated resistor gain control
US4972098A (en) * 1989-01-25 1990-11-20 U.S. Philips Corp. Integrated variable resistor circuit having MOS transistors
US5220686A (en) * 1989-04-21 1993-06-15 U.S. Philips Corporation Tunable resonance amplifier
US5030925A (en) * 1990-03-15 1991-07-09 Triquint Semiconductor, Inc. Transimpedance amplifier
EP0561099B1 (de) * 1992-03-20 1995-09-06 STMicroelectronics S.r.l. Schaltungsanordnung zur Abhängigkeitsunterdrückung vom Temperatur und von Herstellungsvariabelen der Steilheit einer differentiellen Transkonduktanzstufe

Also Published As

Publication number Publication date
KR100399166B1 (ko) 2003-12-24
US5493250A (en) 1996-02-20
JPH09500254A (ja) 1997-01-07
EP0697150B1 (de) 1999-12-29
EP0697150A1 (de) 1996-02-21
WO1995024712A2 (en) 1995-09-14
WO1995024712A3 (en) 1996-05-09
DE69514168D1 (de) 2000-02-03
KR960702697A (ko) 1996-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL

R082 Change of representative

Ref document number: 697150

Country of ref document: EP

Representative=s name: MUELLER-BORE & PARTNER PATENTANWAELTE, EUROPEA, DE