JPS5275251A - Differential amplifier circuit - Google Patents

Differential amplifier circuit

Info

Publication number
JPS5275251A
JPS5275251A JP15262575A JP15262575A JPS5275251A JP S5275251 A JPS5275251 A JP S5275251A JP 15262575 A JP15262575 A JP 15262575A JP 15262575 A JP15262575 A JP 15262575A JP S5275251 A JPS5275251 A JP S5275251A
Authority
JP
Japan
Prior art keywords
amplifier circuit
differential amplifier
keep
potential
output
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
JP15262575A
Other languages
Japanese (ja)
Other versions
JPS5645451B2 (en
Inventor
Mitsuo Isobe
Yoshihiro Fujiwara
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 JP15262575A priority Critical patent/JPS5275251A/en
Publication of JPS5275251A publication Critical patent/JPS5275251A/en
Publication of JPS5645451B2 publication Critical patent/JPS5645451B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE: To keep the operating point and the output DC potential of a gain controlling transistor regardless of the operation of gain control, by using double balance type cascode amplifier.
COPYRIGHT: (C)1977,JPO&Japio
JP15262575A 1975-12-19 1975-12-19 Differential amplifier circuit Granted JPS5275251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15262575A JPS5275251A (en) 1975-12-19 1975-12-19 Differential amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15262575A JPS5275251A (en) 1975-12-19 1975-12-19 Differential amplifier circuit

Publications (2)

Publication Number Publication Date
JPS5275251A true JPS5275251A (en) 1977-06-24
JPS5645451B2 JPS5645451B2 (en) 1981-10-26

Family

ID=15544460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15262575A Granted JPS5275251A (en) 1975-12-19 1975-12-19 Differential amplifier circuit

Country Status (1)

Country Link
JP (1) JPS5275251A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359514B1 (en) * 1998-03-26 2002-03-19 Maxim Integrated Products Switchable path power amplifier with combining network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359514B1 (en) * 1998-03-26 2002-03-19 Maxim Integrated Products Switchable path power amplifier with combining network

Also Published As

Publication number Publication date
JPS5645451B2 (en) 1981-10-26

Similar Documents

Publication Publication Date Title
JPS5228845A (en) Negative feedback amplification circuit
JPS5216950A (en) Differential amplification circuit
JPS5296853A (en) Power amplifier
JPS5245242A (en) Automatic gain control circuit
JPS5330852A (en) Differential amplifier circuit
JPS5275251A (en) Differential amplifier circuit
JPS5374348A (en) Transistor amplifying circuit
JPS5347953A (en) Reference voltage circuit
JPS536553A (en) Variable gain amplifier
JPS5418658A (en) Gain control unit
JPS5271140A (en) Memory circuit
JPS5420641A (en) Automatic gain control circuit
JPS52120654A (en) Gain control unit of transistor amplifier
JPS5441053A (en) Gain control amplifier
JPS5255848A (en) Gain control amplifier circuit
JPS5375746A (en) Variable gain conrrol circuit
JPS5357949A (en) Amplifier
JPS52144948A (en) Gain control circuit
JPS53149715A (en) Correcting device for contour
JPS53133321A (en) Gamma circuit
JPS5336450A (en) Gain control circuit
JPS5317249A (en) Gain variable amplifier
JPS5293049A (en) Operational amplification circuit for controlling elevator
JPS52107753A (en) Gain control circuit
JPS5354455A (en) Negative resistance amplifier