GB2131243B - Amplifier circuits - Google Patents

Amplifier circuits

Info

Publication number
GB2131243B
GB2131243B GB08234247A GB8234247A GB2131243B GB 2131243 B GB2131243 B GB 2131243B GB 08234247 A GB08234247 A GB 08234247A GB 8234247 A GB8234247 A GB 8234247A GB 2131243 B GB2131243 B GB 2131243B
Authority
GB
United Kingdom
Prior art keywords
amplifier circuits
amplifier
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.)
Expired
Application number
GB08234247A
Other versions
GB2131243A (en
Inventor
Andrew Martin Mallinson
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08234247A priority Critical patent/GB2131243B/en
Publication of GB2131243A publication Critical patent/GB2131243A/en
Application granted granted Critical
Publication of GB2131243B publication Critical patent/GB2131243B/en
Expired 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
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H03F3/45089—Non-folded cascode stages
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB08234247A 1982-12-01 1982-12-01 Amplifier circuits Expired GB2131243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08234247A GB2131243B (en) 1982-12-01 1982-12-01 Amplifier circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08234247A GB2131243B (en) 1982-12-01 1982-12-01 Amplifier circuits

Publications (2)

Publication Number Publication Date
GB2131243A GB2131243A (en) 1984-06-13
GB2131243B true GB2131243B (en) 1986-04-16

Family

ID=10534659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08234247A Expired GB2131243B (en) 1982-12-01 1982-12-01 Amplifier circuits

Country Status (1)

Country Link
GB (1) GB2131243B (en)

Also Published As

Publication number Publication date
GB2131243A (en) 1984-06-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971201