IT1186660B - Circuito amplificatore operazionale ad auto-azzeramento - Google Patents

Circuito amplificatore operazionale ad auto-azzeramento

Info

Publication number
IT1186660B
IT1186660B IT47698/82A IT4769882A IT1186660B IT 1186660 B IT1186660 B IT 1186660B IT 47698/82 A IT47698/82 A IT 47698/82A IT 4769882 A IT4769882 A IT 4769882A IT 1186660 B IT1186660 B IT 1186660B
Authority
IT
Italy
Prior art keywords
self
operational amplifier
amplifier circuit
reset operational
reset
Prior art date
Application number
IT47698/82A
Other languages
English (en)
Other versions
IT8247698A0 (it
Inventor
Stephen Harlow Kelley
Richard Walter Ulmer
Roger Alan Whatley
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of IT8247698A0 publication Critical patent/IT8247698A0/it
Application granted granted Critical
Publication of IT1186660B publication Critical patent/IT1186660B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT47698/82A 1981-02-03 1982-02-01 Circuito amplificatore operazionale ad auto-azzeramento IT1186660B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/231,079 US4355285A (en) 1981-02-03 1981-02-03 Auto-zeroing operational amplifier circuit

Publications (2)

Publication Number Publication Date
IT8247698A0 IT8247698A0 (it) 1982-02-01
IT1186660B true IT1186660B (it) 1987-12-04

Family

ID=22867665

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47698/82A IT1186660B (it) 1981-02-03 1982-02-01 Circuito amplificatore operazionale ad auto-azzeramento

Country Status (7)

Country Link
US (1) US4355285A (it)
EP (1) EP0070882B1 (it)
JP (1) JPS58500049A (it)
CA (1) CA1159523A (it)
DE (1) DE3270199D1 (it)
IT (1) IT1186660B (it)
WO (1) WO1982002804A1 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393351A (en) * 1981-07-27 1983-07-12 American Microsystems, Inc. Offset compensation for switched capacitor integrators
US4403195A (en) * 1981-10-26 1983-09-06 Motorola, Inc. Parasitic insensitive switched capacitor operational amplifier circuit
US4546324A (en) * 1982-12-27 1985-10-08 Intersil, Inc. Digitally switched analog signal conditioner
US4642489A (en) * 1984-10-03 1987-02-10 National Semiconductor Corporation Sampled data amplitude linear phase detector
DE3610016A1 (de) * 1986-03-25 1987-10-01 Guenther Dr Hartner Stufenbohrer
US5059820A (en) * 1990-09-19 1991-10-22 Motorola, Inc. Switched capacitor bandgap reference circuit having a time multiplexed bipolar transistor
US6215353B1 (en) * 1999-05-24 2001-04-10 Pairgain Technologies, Inc. Stable voltage reference circuit
US6060874A (en) * 1999-07-22 2000-05-09 Burr-Brown Corporation Method of curvature compensation, offset compensation, and capacitance trimming of a switched capacitor band gap reference
US7525365B1 (en) * 2005-05-09 2009-04-28 National Semiconductor Corporation System and method for providing an offset voltage minimization circuit
JP4681983B2 (ja) * 2005-08-19 2011-05-11 富士通セミコンダクター株式会社 バンドギャップ回路
US7236014B1 (en) * 2005-12-07 2007-06-26 Freescale Semiconductor, Inc. Circuit and method for peak detection of an analog signal
US7894561B1 (en) 2007-06-21 2011-02-22 National Semiconductor Corporation Method and system for providing dynamic DC offset correction
US7944288B2 (en) * 2008-09-29 2011-05-17 Infineon Technologies Ag Switched-capacitor amplifier arrangement having a low input current
US8766602B1 (en) 2010-08-30 2014-07-01 Enerdel, Inc. Self protecting pre-charge circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567309A (en) * 1976-12-23 1980-05-14 Ferranti Ltd Amplifier circuits
US4297642A (en) * 1979-10-31 1981-10-27 Bell Telephone Laboratories, Incorporated Offset correction in operational amplifiers

Also Published As

Publication number Publication date
CA1159523A (en) 1983-12-27
JPS58500049A (ja) 1983-01-06
DE3270199D1 (en) 1986-05-07
WO1982002804A1 (en) 1982-08-19
US4355285A (en) 1982-10-19
IT8247698A0 (it) 1982-02-01
EP0070882B1 (en) 1986-04-02
EP0070882A1 (en) 1983-02-09
EP0070882A4 (en) 1983-05-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950216