JPS5741012A - Variable gain circuit using field effect transistor - Google Patents

Variable gain circuit using field effect transistor

Info

Publication number
JPS5741012A
JPS5741012A JP11580480A JP11580480A JPS5741012A JP S5741012 A JPS5741012 A JP S5741012A JP 11580480 A JP11580480 A JP 11580480A JP 11580480 A JP11580480 A JP 11580480A JP S5741012 A JPS5741012 A JP S5741012A
Authority
JP
Japan
Prior art keywords
fetf1
source
substrate
field effect
effect transistor
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
JP11580480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6228607B2 (enrdf_load_stackoverflow
Inventor
Masao Takeda
Kyoji Shinohara
Kiyoshi Minematsu
Yoshio Takekoshi
Shinichi Tsuchida
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 JP11580480A priority Critical patent/JPS5741012A/ja
Publication of JPS5741012A publication Critical patent/JPS5741012A/ja
Publication of JPS6228607B2 publication Critical patent/JPS6228607B2/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
    • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP11580480A 1980-08-25 1980-08-25 Variable gain circuit using field effect transistor Granted JPS5741012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11580480A JPS5741012A (en) 1980-08-25 1980-08-25 Variable gain circuit using field effect transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11580480A JPS5741012A (en) 1980-08-25 1980-08-25 Variable gain circuit using field effect transistor

Publications (2)

Publication Number Publication Date
JPS5741012A true JPS5741012A (en) 1982-03-06
JPS6228607B2 JPS6228607B2 (enrdf_load_stackoverflow) 1987-06-22

Family

ID=14671491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11580480A Granted JPS5741012A (en) 1980-08-25 1980-08-25 Variable gain circuit using field effect transistor

Country Status (1)

Country Link
JP (1) JPS5741012A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62100569U (enrdf_load_stackoverflow) * 1985-12-14 1987-06-26
JPS62105572U (enrdf_load_stackoverflow) * 1985-12-20 1987-07-06
US4749957A (en) * 1986-02-27 1988-06-07 Yannis Tsividis Semiconductor transconductor circuits
JPH021093A (ja) * 1988-12-15 1990-01-05 Fuji Electric Co Ltd 自動販売機
JPH081212U (ja) * 1995-04-24 1996-07-30 株式会社エムアンドシーシステム 販売管理装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62100569U (enrdf_load_stackoverflow) * 1985-12-14 1987-06-26
JPS62105572U (enrdf_load_stackoverflow) * 1985-12-20 1987-07-06
US4749957A (en) * 1986-02-27 1988-06-07 Yannis Tsividis Semiconductor transconductor circuits
JPH021093A (ja) * 1988-12-15 1990-01-05 Fuji Electric Co Ltd 自動販売機
JPH081212U (ja) * 1995-04-24 1996-07-30 株式会社エムアンドシーシステム 販売管理装置

Also Published As

Publication number Publication date
JPS6228607B2 (enrdf_load_stackoverflow) 1987-06-22

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