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GB2280073B - Amplifier circuit - Google Patents

Amplifier circuit

Info

Publication number
GB2280073B
GB2280073B GB9313460A GB9313460A GB2280073B GB 2280073 B GB2280073 B GB 2280073B GB 9313460 A GB9313460 A GB 9313460A GB 9313460 A GB9313460 A GB 9313460A GB 2280073 B GB2280073 B GB 2280073B
Authority
GB
United Kingdom
Prior art keywords
amplifier circuit
amplifier
circuit
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
GB9313460A
Other versions
GB2280073A (en
GB9313460D0 (en
Inventor
Edward John Wemyss Whittaker
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9313460A priority Critical patent/GB2280073B/en
Publication of GB9313460D0 publication Critical patent/GB9313460D0/en
Publication of GB2280073A publication Critical patent/GB2280073A/en
Application granted granted Critical
Publication of GB2280073B publication Critical patent/GB2280073B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
GB9313460A 1993-06-30 1993-06-30 Amplifier circuit Expired - Fee Related GB2280073B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9313460A GB2280073B (en) 1993-06-30 1993-06-30 Amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9313460A GB2280073B (en) 1993-06-30 1993-06-30 Amplifier circuit

Publications (3)

Publication Number Publication Date
GB9313460D0 GB9313460D0 (en) 1993-08-11
GB2280073A GB2280073A (en) 1995-01-18
GB2280073B true GB2280073B (en) 1996-11-27

Family

ID=10738023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9313460A Expired - Fee Related GB2280073B (en) 1993-06-30 1993-06-30 Amplifier circuit

Country Status (1)

Country Link
GB (1) GB2280073B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3479408B2 (en) * 1996-04-23 2003-12-15 アルプス電気株式会社 AGC voltage correction circuit
FI106413B (en) * 1996-07-11 2001-01-31 Nokia Mobile Phones Ltd Linear power amplifier power control circuit
JP2003179447A (en) 2001-12-10 2003-06-27 Nec Electronics Corp Variable-gain circuit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251778A (en) * 1979-03-26 1981-02-17 Rca Corporation Circuit with electrically controlled gain
EP0196906A2 (en) * 1985-03-29 1986-10-08 Kabushiki Kaisha Toshiba Automatic gain control detection circuit
GB2192318A (en) * 1986-07-05 1988-01-06 Ant Nachrichtentech Voltage-controlled amplifier
GB2219898A (en) * 1988-06-17 1989-12-20 Sony Corp Automatic gain control circuit
GB2230153A (en) * 1989-03-30 1990-10-10 Silicon Systems Inc Temperature compensated exponential gain control circuit
GB2250649A (en) * 1990-09-18 1992-06-10 Silicon Systems Inc Temperature compensation control circuit for exponential gain function of an AGO amplifier
GB2261756A (en) * 1991-06-03 1993-05-26 Motorola Inc Temperature-independent linear-to-exponential converter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251778A (en) * 1979-03-26 1981-02-17 Rca Corporation Circuit with electrically controlled gain
EP0196906A2 (en) * 1985-03-29 1986-10-08 Kabushiki Kaisha Toshiba Automatic gain control detection circuit
GB2192318A (en) * 1986-07-05 1988-01-06 Ant Nachrichtentech Voltage-controlled amplifier
GB2219898A (en) * 1988-06-17 1989-12-20 Sony Corp Automatic gain control circuit
GB2230153A (en) * 1989-03-30 1990-10-10 Silicon Systems Inc Temperature compensated exponential gain control circuit
GB2250649A (en) * 1990-09-18 1992-06-10 Silicon Systems Inc Temperature compensation control circuit for exponential gain function of an AGO amplifier
GB2261756A (en) * 1991-06-03 1993-05-26 Motorola Inc Temperature-independent linear-to-exponential converter

Also Published As

Publication number Publication date
GB2280073A (en) 1995-01-18
GB9313460D0 (en) 1993-08-11

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Legal Events

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

Effective date: 20070630