JPS6471315A - Capacitor changing type bi-quad circuit block hardly influenced by change of gain and capacitance ratio of operational amplifier and free from continuous feedback - Google Patents

Capacitor changing type bi-quad circuit block hardly influenced by change of gain and capacitance ratio of operational amplifier and free from continuous feedback

Info

Publication number
JPS6471315A
JPS6471315A JP63214754A JP21475488A JPS6471315A JP S6471315 A JPS6471315 A JP S6471315A JP 63214754 A JP63214754 A JP 63214754A JP 21475488 A JP21475488 A JP 21475488A JP S6471315 A JPS6471315 A JP S6471315A
Authority
JP
Japan
Prior art keywords
circuit block
operational amplifier
gain
change
free
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.)
Pending
Application number
JP63214754A
Other languages
English (en)
Inventor
Murafuka Yan
Agunieshiyuka Konchikofusuka
Bon Mishieru
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Publication of JPS6471315A publication Critical patent/JPS6471315A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Networks Using Active Elements (AREA)
JP63214754A 1987-08-28 1988-08-29 Capacitor changing type bi-quad circuit block hardly influenced by change of gain and capacitance ratio of operational amplifier and free from continuous feedback Pending JPS6471315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712028A FR2619975B1 (fr) 1987-08-28 1987-08-28 Cellule biquadratique a capacites commutees sans boucle continue de contre-reaction et a faible sensibilite par rapport au gain des amplificateurs operationnels et au ratio des capacites

Publications (1)

Publication Number Publication Date
JPS6471315A true JPS6471315A (en) 1989-03-16

Family

ID=9354480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63214754A Pending JPS6471315A (en) 1987-08-28 1988-08-29 Capacitor changing type bi-quad circuit block hardly influenced by change of gain and capacitance ratio of operational amplifier and free from continuous feedback

Country Status (5)

Country Link
US (1) US4841263A (ja)
EP (1) EP0308287B1 (ja)
JP (1) JPS6471315A (ja)
DE (1) DE3869888D1 (ja)
FR (1) FR2619975B1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182521A (en) * 1987-08-28 1993-01-26 The University Of Melbourne Time-multiplexed switched capacitor circuit having reduced capacitance
US5289059A (en) * 1992-06-05 1994-02-22 Nokia Mobile Phones, Ltd. Switched capacitor decimator
WO2001054270A1 (de) * 2000-01-21 2001-07-26 Infineon Technologies Ag Verstärker- oder filterschaltung in 'switched-capacitor'-schaltungstechnik und verfahren zur verstärkung oder filterung von signalen
US9966915B2 (en) * 2016-07-28 2018-05-08 Semiconductor Components Industries, Llc Programmable amplifier and method of operating the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4370632A (en) * 1981-05-08 1983-01-25 Motorola, Inc. Multiple function operational amplifier circuit
CA1181493A (en) * 1982-08-18 1985-01-22 Jeffrey H. Bennett Switched-capacitor variable equalizer
US4531106A (en) * 1983-10-04 1985-07-23 At&T Technologies, Inc. Switched capacitor circuits
JPS60173916A (ja) * 1984-02-20 1985-09-07 Nec Corp スイッチド・キャパシタ・フィルタ

Also Published As

Publication number Publication date
EP0308287B1 (fr) 1992-04-08
EP0308287A1 (fr) 1989-03-22
FR2619975A1 (fr) 1989-03-03
DE3869888D1 (de) 1992-05-14
US4841263A (en) 1989-06-20
FR2619975B1 (fr) 1989-11-17

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