JPS56157108A - Gain controlling device - Google Patents

Gain controlling device

Info

Publication number
JPS56157108A
JPS56157108A JP6089280A JP6089280A JPS56157108A JP S56157108 A JPS56157108 A JP S56157108A JP 6089280 A JP6089280 A JP 6089280A JP 6089280 A JP6089280 A JP 6089280A JP S56157108 A JPS56157108 A JP S56157108A
Authority
JP
Japan
Prior art keywords
bases
variable impedance
emitters
transistors
constitution
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
JP6089280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS625488B2 (pl
Inventor
Mitsuo Isobe
Masami Onishi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6089280A priority Critical patent/JPS56157108A/ja
Publication of JPS56157108A publication Critical patent/JPS56157108A/ja
Publication of JPS625488B2 publication Critical patent/JPS625488B2/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)
JP6089280A 1980-05-07 1980-05-07 Gain controlling device Granted JPS56157108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6089280A JPS56157108A (en) 1980-05-07 1980-05-07 Gain controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6089280A JPS56157108A (en) 1980-05-07 1980-05-07 Gain controlling device

Publications (2)

Publication Number Publication Date
JPS56157108A true JPS56157108A (en) 1981-12-04
JPS625488B2 JPS625488B2 (pl) 1987-02-05

Family

ID=13155457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6089280A Granted JPS56157108A (en) 1980-05-07 1980-05-07 Gain controlling device

Country Status (1)

Country Link
JP (1) JPS56157108A (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389811U (pl) * 1986-12-02 1988-06-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389811U (pl) * 1986-12-02 1988-06-10

Also Published As

Publication number Publication date
JPS625488B2 (pl) 1987-02-05

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