GB2396266B - Operational amplifiers - Google Patents

Operational amplifiers

Info

Publication number
GB2396266B
GB2396266B GB0229095A GB0229095A GB2396266B GB 2396266 B GB2396266 B GB 2396266B GB 0229095 A GB0229095 A GB 0229095A GB 0229095 A GB0229095 A GB 0229095A GB 2396266 B GB2396266 B GB 2396266B
Authority
GB
United Kingdom
Prior art keywords
operational amplifiers
amplifiers
operational
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
GB0229095A
Other versions
GB2396266A (en
GB0229095D0 (en
Inventor
Sally Helen Goddard
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.)
Microsemi Semiconductor Ltd
Original Assignee
Zarlink Semiconductor 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 Zarlink Semiconductor Ltd filed Critical Zarlink Semiconductor Ltd
Priority to GB0229095A priority Critical patent/GB2396266B/en
Publication of GB0229095D0 publication Critical patent/GB0229095D0/en
Publication of GB2396266A publication Critical patent/GB2396266A/en
Application granted granted Critical
Publication of GB2396266B publication Critical patent/GB2396266B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3076—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with symmetrical driving of the end stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB0229095A 2002-12-13 2002-12-13 Operational amplifiers Expired - Lifetime GB2396266B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0229095A GB2396266B (en) 2002-12-13 2002-12-13 Operational amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0229095A GB2396266B (en) 2002-12-13 2002-12-13 Operational amplifiers

Publications (3)

Publication Number Publication Date
GB0229095D0 GB0229095D0 (en) 2003-01-15
GB2396266A GB2396266A (en) 2004-06-16
GB2396266B true GB2396266B (en) 2006-02-22

Family

ID=9949634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0229095A Expired - Lifetime GB2396266B (en) 2002-12-13 2002-12-13 Operational amplifiers

Country Status (1)

Country Link
GB (1) GB2396266B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071446A (en) * 1980-01-31 1981-09-16 Pioneer Electronic Corp Push-pull Amplifier Circuit
GB2217135A (en) * 1988-04-04 1989-10-18 Elantec Amplifiers
EP0443507A2 (en) * 1990-02-22 1991-08-28 STMicroelectronics S.r.l. High-efficiency audio amplifier for use in high fidelity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071446A (en) * 1980-01-31 1981-09-16 Pioneer Electronic Corp Push-pull Amplifier Circuit
GB2217135A (en) * 1988-04-04 1989-10-18 Elantec Amplifiers
EP0443507A2 (en) * 1990-02-22 1991-08-28 STMicroelectronics S.r.l. High-efficiency audio amplifier for use in high fidelity

Also Published As

Publication number Publication date
GB2396266A (en) 2004-06-16
GB0229095D0 (en) 2003-01-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090604 AND 20090610