GB2210744B - Offset voltage nulling circuit - Google Patents

Offset voltage nulling circuit

Info

Publication number
GB2210744B
GB2210744B GB8723309A GB8723309A GB2210744B GB 2210744 B GB2210744 B GB 2210744B GB 8723309 A GB8723309 A GB 8723309A GB 8723309 A GB8723309 A GB 8723309A GB 2210744 B GB2210744 B GB 2210744B
Authority
GB
United Kingdom
Prior art keywords
offset voltage
nulling circuit
voltage nulling
circuit
offset
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
GB8723309A
Other versions
GB2210744A (en
GB8723309D0 (en
Inventor
Stewart John Andrew Pepper
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.)
Marconi Instruments Ltd
Original Assignee
Marconi Instruments Ltd
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 Marconi Instruments Ltd filed Critical Marconi Instruments Ltd
Priority to GB8723309A priority Critical patent/GB2210744B/en
Publication of GB8723309D0 publication Critical patent/GB8723309D0/en
Publication of GB2210744A publication Critical patent/GB2210744A/en
Application granted granted Critical
Publication of GB2210744B publication Critical patent/GB2210744B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB8723309A 1987-10-05 1987-10-05 Offset voltage nulling circuit Expired - Fee Related GB2210744B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8723309A GB2210744B (en) 1987-10-05 1987-10-05 Offset voltage nulling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8723309A GB2210744B (en) 1987-10-05 1987-10-05 Offset voltage nulling circuit

Publications (3)

Publication Number Publication Date
GB8723309D0 GB8723309D0 (en) 1987-11-11
GB2210744A GB2210744A (en) 1989-06-14
GB2210744B true GB2210744B (en) 1992-01-29

Family

ID=10624791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8723309A Expired - Fee Related GB2210744B (en) 1987-10-05 1987-10-05 Offset voltage nulling circuit

Country Status (1)

Country Link
GB (1) GB2210744B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59007921D1 (en) * 1989-09-20 1995-01-19 Itt Ind Gmbh Deutsche Offset voltage balancing operational amplifier.
GB2301247A (en) 1995-05-22 1996-11-27 Univ Bristol A cartesian loop transmitter amplifier
FI112131B (en) * 1996-02-08 2003-10-31 Nokia Corp Method and circuitry for reducing offset potential in a signal
US7760015B2 (en) 2008-03-13 2010-07-20 Exar Corporation Combination offset voltage and bias current auto-zero circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430622A (en) * 1981-11-19 1984-02-07 Gte Laboratories Incorporated Offset correction circuit
US4543534A (en) * 1984-05-04 1985-09-24 The Regeants Of University Of Calif. Offset compensated switched capacitor circuits

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430622A (en) * 1981-11-19 1984-02-07 Gte Laboratories Incorporated Offset correction circuit
US4543534A (en) * 1984-05-04 1985-09-24 The Regeants Of University Of Calif. Offset compensated switched capacitor circuits

Also Published As

Publication number Publication date
GB2210744A (en) 1989-06-14
GB8723309D0 (en) 1987-11-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee