GB8907303D0 - Gyrator circuits - Google Patents

Gyrator circuits

Info

Publication number
GB8907303D0
GB8907303D0 GB898907303A GB8907303A GB8907303D0 GB 8907303 D0 GB8907303 D0 GB 8907303D0 GB 898907303 A GB898907303 A GB 898907303A GB 8907303 A GB8907303 A GB 8907303A GB 8907303 D0 GB8907303 D0 GB 8907303D0
Authority
GB
United Kingdom
Prior art keywords
gyrator circuits
gyrator
circuits
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.)
Withdrawn
Application number
GB898907303A
Other versions
GB2230155A (en
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8907303A priority Critical patent/GB2230155A/en
Publication of GB8907303D0 publication Critical patent/GB8907303D0/en
Priority to PCT/GB1990/000453 priority patent/WO1990012454A1/en
Publication of GB2230155A publication Critical patent/GB2230155A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/40—Impedance converters
    • H03H11/42—Gyrators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/369—A negative impedance circuit being added to an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45176—A cross coupling circuit, e.g. consisting of two cross coupled transistors, being added in the load circuit of the amplifying transistors of a differential amplifier
GB8907303A 1989-03-31 1989-03-31 Voltage-controlled current source Withdrawn GB2230155A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8907303A GB2230155A (en) 1989-03-31 1989-03-31 Voltage-controlled current source
PCT/GB1990/000453 WO1990012454A1 (en) 1989-03-31 1990-03-26 Gyrator circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8907303A GB2230155A (en) 1989-03-31 1989-03-31 Voltage-controlled current source

Publications (2)

Publication Number Publication Date
GB8907303D0 true GB8907303D0 (en) 1989-05-17
GB2230155A GB2230155A (en) 1990-10-10

Family

ID=10654262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8907303A Withdrawn GB2230155A (en) 1989-03-31 1989-03-31 Voltage-controlled current source

Country Status (2)

Country Link
GB (1) GB2230155A (en)
WO (1) WO1990012454A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2684252A1 (en) * 1991-11-22 1993-05-28 Thomson Composants Militaires ULTRA-FAST DIFFERENTIAL AMPLIFIER.
GB9424878D0 (en) * 1994-12-09 1995-02-08 Plessey Semiconductors Ltd Amplifier circuit arrangements
GB2298536A (en) * 1995-03-03 1996-09-04 Plessey Semiconductors Ltd Active load to increase output impedance of transconductor amplifier
US5596299A (en) * 1995-05-30 1997-01-21 Philips Electronics North America Corporation IF amplifier/limiter with positive feedback
GB2352102B (en) 1999-07-16 2004-06-16 Ericsson Telefon Ab L M Integrated circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240040A (en) * 1974-02-11 1980-12-16 Bell Telephone Laboratories, Incorporated Operational amplifier
GB2219162B (en) * 1988-05-28 1992-06-10 Stc Plc Amplifier circuit

Also Published As

Publication number Publication date
GB2230155A (en) 1990-10-10
WO1990012454A1 (en) 1990-10-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)