JPS616911A - 可変利得制御回路 - Google Patents

可変利得制御回路

Info

Publication number
JPS616911A
JPS616911A JP12785184A JP12785184A JPS616911A JP S616911 A JPS616911 A JP S616911A JP 12785184 A JP12785184 A JP 12785184A JP 12785184 A JP12785184 A JP 12785184A JP S616911 A JPS616911 A JP S616911A
Authority
JP
Japan
Prior art keywords
transistor
current
gain control
base
output
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
JP12785184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0318766B2 (en]
Inventor
Atsushi Ogawa
敦 小川
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
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP12785184A priority Critical patent/JPS616911A/ja
Publication of JPS616911A publication Critical patent/JPS616911A/ja
Publication of JPH0318766B2 publication Critical patent/JPH0318766B2/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)
JP12785184A 1984-06-21 1984-06-21 可変利得制御回路 Granted JPS616911A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12785184A JPS616911A (ja) 1984-06-21 1984-06-21 可変利得制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12785184A JPS616911A (ja) 1984-06-21 1984-06-21 可変利得制御回路

Publications (2)

Publication Number Publication Date
JPS616911A true JPS616911A (ja) 1986-01-13
JPH0318766B2 JPH0318766B2 (en]) 1991-03-13

Family

ID=14970233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12785184A Granted JPS616911A (ja) 1984-06-21 1984-06-21 可変利得制御回路

Country Status (1)

Country Link
JP (1) JPS616911A (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547715A (en) * 1978-09-30 1980-04-04 Toshiba Corp Gain control amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547715A (en) * 1978-09-30 1980-04-04 Toshiba Corp Gain control amplifier

Also Published As

Publication number Publication date
JPH0318766B2 (en]) 1991-03-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term