JPS6148208A - 自動利得制御回路 - Google Patents

自動利得制御回路

Info

Publication number
JPS6148208A
JPS6148208A JP16908484A JP16908484A JPS6148208A JP S6148208 A JPS6148208 A JP S6148208A JP 16908484 A JP16908484 A JP 16908484A JP 16908484 A JP16908484 A JP 16908484A JP S6148208 A JPS6148208 A JP S6148208A
Authority
JP
Japan
Prior art keywords
current
differential amplifier
constant
output
amplifier
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
JP16908484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH033404B2 (enrdf_load_stackoverflow
Inventor
Yasuhiko Tsuji
辻　保彦
Hiroyuki Hatano
裕之 秦野
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP16908484A priority Critical patent/JPS6148208A/ja
Publication of JPS6148208A publication Critical patent/JPS6148208A/ja
Publication of JPH033404B2 publication Critical patent/JPH033404B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • 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
    • 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 in emitter-coupled or cascode amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP16908484A 1984-08-13 1984-08-13 自動利得制御回路 Granted JPS6148208A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16908484A JPS6148208A (ja) 1984-08-13 1984-08-13 自動利得制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16908484A JPS6148208A (ja) 1984-08-13 1984-08-13 自動利得制御回路

Publications (2)

Publication Number Publication Date
JPS6148208A true JPS6148208A (ja) 1986-03-08
JPH033404B2 JPH033404B2 (enrdf_load_stackoverflow) 1991-01-18

Family

ID=15880022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16908484A Granted JPS6148208A (ja) 1984-08-13 1984-08-13 自動利得制御回路

Country Status (1)

Country Link
JP (1) JPS6148208A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0284804A (ja) * 1988-09-20 1990-03-26 Nec Corp 利得制御回路
US6049252A (en) * 1997-06-30 2000-04-11 Nec Corporation Programmable-gain amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0284804A (ja) * 1988-09-20 1990-03-26 Nec Corp 利得制御回路
US6049252A (en) * 1997-06-30 2000-04-11 Nec Corporation Programmable-gain amplifier

Also Published As

Publication number Publication date
JPH033404B2 (enrdf_load_stackoverflow) 1991-01-18

Similar Documents

Publication Publication Date Title
US4760285A (en) Hall effect device with epitaxal layer resistive means for providing temperature independent sensitivity
US4059808A (en) Differential amplifier
US4437023A (en) Current mirror source circuitry
JP3091470B2 (ja) 差動入力信号を増幅する電子回路
US4516081A (en) Voltage controlled variable gain circuit
JP3242932B2 (ja) 温度補償増幅器
US5019789A (en) Adaptive bias circuit for preventing turnoff in a push-pull stage
US4360786A (en) Variable-gain differential amplifier
US4278946A (en) Current scaling circuitry
US4897616A (en) Wide band amplifier with current mirror feedback to bias circuit
JPS6148208A (ja) 自動利得制御回路
US4584535A (en) Stabilized current-source circuit
US5568090A (en) Amplifier circuit with dynamic output stage biasing
US5321371A (en) Current mirror with error correction
US5311147A (en) High impedance output driver stage and method therefor
EP0803975B1 (en) Power stage, particularly for an operational amplifier
JPS63184408A (ja) トランジスタバイアス回路
JP2001292043A (ja) 可変利得増幅回路
JPS6333390B2 (enrdf_load_stackoverflow)
JP2568690B2 (ja) 定電流回路
JPS61157108A (ja) 電圧−電流変換回路
JPH0326565B2 (enrdf_load_stackoverflow)
JP2793343B2 (ja) バイアス回路
JPH0786843A (ja) 増幅回路
JP2532900Y2 (ja) リミッタ回路