JPS6341445B2 - - Google Patents

Info

Publication number
JPS6341445B2
JPS6341445B2 JP56013448A JP1344881A JPS6341445B2 JP S6341445 B2 JPS6341445 B2 JP S6341445B2 JP 56013448 A JP56013448 A JP 56013448A JP 1344881 A JP1344881 A JP 1344881A JP S6341445 B2 JPS6341445 B2 JP S6341445B2
Authority
JP
Japan
Prior art keywords
transistors
transistor
gain control
emitter
current
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
JP56013448A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57127311A (en
Inventor
Mitsuo Ookawa
Hitoshi Sugano
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 JP1344881A priority Critical patent/JPS57127311A/ja
Publication of JPS57127311A publication Critical patent/JPS57127311A/ja
Publication of JPS6341445B2 publication Critical patent/JPS6341445B2/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
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP1344881A 1981-01-30 1981-01-30 Direct current gain controller Granted JPS57127311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1344881A JPS57127311A (en) 1981-01-30 1981-01-30 Direct current gain controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1344881A JPS57127311A (en) 1981-01-30 1981-01-30 Direct current gain controller

Publications (2)

Publication Number Publication Date
JPS57127311A JPS57127311A (en) 1982-08-07
JPS6341445B2 true JPS6341445B2 (pl) 1988-08-17

Family

ID=11833412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1344881A Granted JPS57127311A (en) 1981-01-30 1981-01-30 Direct current gain controller

Country Status (1)

Country Link
JP (1) JPS57127311A (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1103878C (zh) * 1997-09-16 2003-03-26 Skf工程研究中心公司 带有涂层的滚动元件轴承
CN1329493C (zh) * 2003-05-27 2007-08-01 日产自动车株式会社 滚动元件

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57208717A (en) * 1981-06-18 1982-12-21 Pioneer Electronic Corp Control circuit for voltage control variable attenuator
JPS58222607A (ja) * 1982-06-21 1983-12-24 Nec Corp 利得制御回路
JPH0666613B2 (ja) * 1987-06-11 1994-08-24 ロ−ム株式会社 電子ボリュ−ム回路
JP2781850B2 (ja) * 1988-08-06 1998-07-30 三菱電機株式会社 利得可変増幅回路
JP2000232328A (ja) 1999-02-09 2000-08-22 Nec Ic Microcomput Syst Ltd 可変利得増幅器の利得制御回路
KR100714616B1 (ko) 2005-06-23 2007-05-07 삼성전기주식회사 지수 함수 발생기 및 이를 이용한 가변 이득 증폭기
JP4765521B2 (ja) * 2005-09-30 2011-09-07 株式会社日立製作所 可変利得増幅器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6228888A (ja) * 1985-07-31 1987-02-06 Fuji Electric Co Ltd 対象物識別方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6228888A (ja) * 1985-07-31 1987-02-06 Fuji Electric Co Ltd 対象物識別方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1103878C (zh) * 1997-09-16 2003-03-26 Skf工程研究中心公司 带有涂层的滚动元件轴承
CN1329493C (zh) * 2003-05-27 2007-08-01 日产自动车株式会社 滚动元件

Also Published As

Publication number Publication date
JPS57127311A (en) 1982-08-07

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