JPS6332286B2 - - Google Patents

Info

Publication number
JPS6332286B2
JPS6332286B2 JP6596081A JP6596081A JPS6332286B2 JP S6332286 B2 JPS6332286 B2 JP S6332286B2 JP 6596081 A JP6596081 A JP 6596081A JP 6596081 A JP6596081 A JP 6596081A JP S6332286 B2 JPS6332286 B2 JP S6332286B2
Authority
JP
Japan
Prior art keywords
transistor
transistors
signal
current
amplifier
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
JP6596081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57181215A (en
Inventor
Hisashi Yamada
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP6596081A priority Critical patent/JPS57181215A/ja
Publication of JPS57181215A publication Critical patent/JPS57181215A/ja
Publication of JPS6332286B2 publication Critical patent/JPS6332286B2/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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP6596081A 1981-04-30 1981-04-30 Variable gain circuit Granted JPS57181215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6596081A JPS57181215A (en) 1981-04-30 1981-04-30 Variable gain circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6596081A JPS57181215A (en) 1981-04-30 1981-04-30 Variable gain circuit

Publications (2)

Publication Number Publication Date
JPS57181215A JPS57181215A (en) 1982-11-08
JPS6332286B2 true JPS6332286B2 (OSRAM) 1988-06-29

Family

ID=13302057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6596081A Granted JPS57181215A (en) 1981-04-30 1981-04-30 Variable gain circuit

Country Status (1)

Country Link
JP (1) JPS57181215A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04117710A (ja) * 1990-09-03 1992-04-17 Nec Ic Microcomput Syst Ltd 利得可変増幅器

Also Published As

Publication number Publication date
JPS57181215A (en) 1982-11-08

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