JPS58114514A - 利得可変増幅回路 - Google Patents

利得可変増幅回路

Info

Publication number
JPS58114514A
JPS58114514A JP20974781A JP20974781A JPS58114514A JP S58114514 A JPS58114514 A JP S58114514A JP 20974781 A JP20974781 A JP 20974781A JP 20974781 A JP20974781 A JP 20974781A JP S58114514 A JPS58114514 A JP S58114514A
Authority
JP
Japan
Prior art keywords
transistor
control voltage
transistors
input
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.)
Granted
Application number
JP20974781A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0145245B2 (OSRAM
Inventor
Yoshiaki Sano
芳昭 佐野
Toshio Hanazawa
花沢　敏夫
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP20974781A priority Critical patent/JPS58114514A/ja
Publication of JPS58114514A publication Critical patent/JPS58114514A/ja
Publication of JPH0145245B2 publication Critical patent/JPH0145245B2/ja
Granted 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
    • 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 in emitter-coupled or cascode amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP20974781A 1981-12-28 1981-12-28 利得可変増幅回路 Granted JPS58114514A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20974781A JPS58114514A (ja) 1981-12-28 1981-12-28 利得可変増幅回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20974781A JPS58114514A (ja) 1981-12-28 1981-12-28 利得可変増幅回路

Publications (2)

Publication Number Publication Date
JPS58114514A true JPS58114514A (ja) 1983-07-07
JPH0145245B2 JPH0145245B2 (OSRAM) 1989-10-03

Family

ID=16577963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20974781A Granted JPS58114514A (ja) 1981-12-28 1981-12-28 利得可変増幅回路

Country Status (1)

Country Link
JP (1) JPS58114514A (OSRAM)

Also Published As

Publication number Publication date
JPH0145245B2 (OSRAM) 1989-10-03

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