JPS566515A - Voltage control variable gain circuit - Google Patents

Voltage control variable gain circuit

Info

Publication number
JPS566515A
JPS566515A JP8138179A JP8138179A JPS566515A JP S566515 A JPS566515 A JP S566515A JP 8138179 A JP8138179 A JP 8138179A JP 8138179 A JP8138179 A JP 8138179A JP S566515 A JPS566515 A JP S566515A
Authority
JP
Japan
Prior art keywords
transistors
input terminal
gain
emitters
emitter
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
JP8138179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6217892B2 (enrdf_load_stackoverflow
Inventor
Yasuo Kominami
Tetsuo Sato
Masami Kawamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8138179A priority Critical patent/JPS566515A/ja
Publication of JPS566515A publication Critical patent/JPS566515A/ja
Publication of JPS6217892B2 publication Critical patent/JPS6217892B2/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
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP8138179A 1979-06-29 1979-06-29 Voltage control variable gain circuit Granted JPS566515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138179A JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138179A JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Publications (2)

Publication Number Publication Date
JPS566515A true JPS566515A (en) 1981-01-23
JPS6217892B2 JPS6217892B2 (enrdf_load_stackoverflow) 1987-04-20

Family

ID=13744711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138179A Granted JPS566515A (en) 1979-06-29 1979-06-29 Voltage control variable gain circuit

Country Status (1)

Country Link
JP (1) JPS566515A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202210U (enrdf_load_stackoverflow) * 1981-06-19 1982-12-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202210U (enrdf_load_stackoverflow) * 1981-06-19 1982-12-23

Also Published As

Publication number Publication date
JPS6217892B2 (enrdf_load_stackoverflow) 1987-04-20

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