DE2903299C2 - - Google Patents

Info

Publication number
DE2903299C2
DE2903299C2 DE2903299A DE2903299A DE2903299C2 DE 2903299 C2 DE2903299 C2 DE 2903299C2 DE 2903299 A DE2903299 A DE 2903299A DE 2903299 A DE2903299 A DE 2903299A DE 2903299 C2 DE2903299 C2 DE 2903299C2
Authority
DE
Germany
Prior art keywords
transistor
collector
resistor
base
operational amplifier
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
Application number
DE2903299A
Other languages
German (de)
English (en)
Other versions
DE2903299A1 (de
Inventor
Hans Kriedt
Andreas Dipl.-Ing. 8000 Muenchen De Dietze
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19792903299 priority Critical patent/DE2903299A1/de
Priority to EP80100225A priority patent/EP0013943B1/de
Priority to US06/115,257 priority patent/US4335359A/en
Priority to JP923880A priority patent/JPS55102919A/ja
Publication of DE2903299A1 publication Critical patent/DE2903299A1/de
Application granted granted Critical
Publication of DE2903299C2 publication Critical patent/DE2903299C2/de
Granted 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
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • 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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers

Landscapes

  • Networks Using Active Elements (AREA)
DE19792903299 1979-01-29 1979-01-29 Monolithisch integrierbare tiefpass- filterschaltung Granted DE2903299A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19792903299 DE2903299A1 (de) 1979-01-29 1979-01-29 Monolithisch integrierbare tiefpass- filterschaltung
EP80100225A EP0013943B1 (de) 1979-01-29 1980-01-17 Monolithisch integrierbare Tiefpass-Filterschaltung
US06/115,257 US4335359A (en) 1979-01-29 1980-01-25 Monolithically integrable lowpass filter circuit
JP923880A JPS55102919A (en) 1979-01-29 1980-01-29 Low pass filter circuit capable of integrating monolithically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792903299 DE2903299A1 (de) 1979-01-29 1979-01-29 Monolithisch integrierbare tiefpass- filterschaltung

Publications (2)

Publication Number Publication Date
DE2903299A1 DE2903299A1 (de) 1980-07-31
DE2903299C2 true DE2903299C2 (OSRAM) 1988-12-01

Family

ID=6061629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792903299 Granted DE2903299A1 (de) 1979-01-29 1979-01-29 Monolithisch integrierbare tiefpass- filterschaltung

Country Status (4)

Country Link
US (1) US4335359A (OSRAM)
EP (1) EP0013943B1 (OSRAM)
JP (1) JPS55102919A (OSRAM)
DE (1) DE2903299A1 (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158665B (en) * 1984-05-11 1988-07-27 Stc Plc Voltage follower
US5075582A (en) * 1989-03-30 1991-12-24 Siemens Aktiengesellschaft Integratable bandpass filter circuit
NL9000518A (nl) * 1990-03-07 1991-10-01 Philips Nv Breedband signaalversterker.
JP2977013B2 (ja) * 1994-10-31 1999-11-10 本田技研工業株式会社 車両用変速機の故障検出装置
EP0755116B1 (de) * 1995-07-19 1999-02-24 Siemens Aktiengesellschaft Schaltungsanordnung zur Glättung einer Spannung
US6344773B1 (en) 2000-10-20 2002-02-05 Linear Technology Corporation Flexible monolithic continuous-time analog low-pass filter with minimal circuitry
US6828654B2 (en) * 2001-12-27 2004-12-07 Broadcom Corporation Thick oxide P-gate NMOS capacitor for use in a phase-locked loop circuit and method of making same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831117A (en) * 1972-11-15 1974-08-20 Nasa Capacitance multiplier and filter synthesizing network
US3969682A (en) * 1974-10-21 1976-07-13 Oberheim Electronics Inc. Circuit for dynamic control of phase shift
JPS5824042B2 (ja) * 1978-02-23 1983-05-19 株式会社東芝 電圧フオロワ回路

Also Published As

Publication number Publication date
DE2903299A1 (de) 1980-07-31
JPS55102919A (en) 1980-08-06
EP0013943B1 (de) 1983-04-20
JPH02889B2 (OSRAM) 1990-01-09
EP0013943A1 (de) 1980-08-06
US4335359A (en) 1982-06-15

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee