JPS548952A - Current amplifying circuit - Google Patents

Current amplifying circuit

Info

Publication number
JPS548952A
JPS548952A JP7569877A JP7569877A JPS548952A JP S548952 A JPS548952 A JP S548952A JP 7569877 A JP7569877 A JP 7569877A JP 7569877 A JP7569877 A JP 7569877A JP S548952 A JPS548952 A JP S548952A
Authority
JP
Japan
Prior art keywords
amplifying circuit
current amplifying
circuit
current
collector
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
JP7569877A
Other languages
Japanese (ja)
Other versions
JPS6222284B2 (en
Inventor
Akira Usui
Kanji Tanaka
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric 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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP7569877A priority Critical patent/JPS548952A/en
Publication of JPS548952A publication Critical patent/JPS548952A/en
Publication of JPS6222284B2 publication Critical patent/JPS6222284B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To obtain the current amplifying circuit which can obtain high gain with less circuit current and has the constitution determined with the area ratio of the circuit elements, by constituting a positive feedback circuit through connecting the collector of a Tr to the base of another Tr.
JP7569877A 1977-06-22 1977-06-22 Current amplifying circuit Granted JPS548952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7569877A JPS548952A (en) 1977-06-22 1977-06-22 Current amplifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7569877A JPS548952A (en) 1977-06-22 1977-06-22 Current amplifying circuit

Publications (2)

Publication Number Publication Date
JPS548952A true JPS548952A (en) 1979-01-23
JPS6222284B2 JPS6222284B2 (en) 1987-05-18

Family

ID=13583686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7569877A Granted JPS548952A (en) 1977-06-22 1977-06-22 Current amplifying circuit

Country Status (1)

Country Link
JP (1) JPS548952A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753114A (en) * 1980-09-17 1982-03-30 Toshiba Corp Differential amplifier
US4489285A (en) * 1982-04-16 1984-12-18 Hitachi, Ltd. Signal processing circuit employing an improved composite current mirror circuit/device
EP0730343A1 (en) * 1995-03-03 1996-09-04 Plessey Semiconductors Limited Improvements in transconductor circuits

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5075756A (en) * 1973-11-07 1975-06-21
JPS5073364U (en) * 1973-11-07 1975-06-27
JPS5132257A (en) * 1974-09-13 1976-03-18 Hitachi Ltd
JPS5187945A (en) * 1975-01-31 1976-07-31 Pioneer Electronic Corp RITOKUSEIGYOZO FUKUKAIRO

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5075756A (en) * 1973-11-07 1975-06-21
JPS5073364U (en) * 1973-11-07 1975-06-27
JPS5132257A (en) * 1974-09-13 1976-03-18 Hitachi Ltd
JPS5187945A (en) * 1975-01-31 1976-07-31 Pioneer Electronic Corp RITOKUSEIGYOZO FUKUKAIRO

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753114A (en) * 1980-09-17 1982-03-30 Toshiba Corp Differential amplifier
JPS6234283B2 (en) * 1980-09-17 1987-07-25 Tokyo Shibaura Electric Co
US4489285A (en) * 1982-04-16 1984-12-18 Hitachi, Ltd. Signal processing circuit employing an improved composite current mirror circuit/device
EP0730343A1 (en) * 1995-03-03 1996-09-04 Plessey Semiconductors Limited Improvements in transconductor circuits

Also Published As

Publication number Publication date
JPS6222284B2 (en) 1987-05-18

Similar Documents

Publication Publication Date Title
JPS5278052A (en) Switching regulator
JPS548952A (en) Current amplifying circuit
JPS548953A (en) Current amplifying circuit
JPS5287346A (en) Amplifying circuit
JPS53131457A (en) Constant voltage circuit
JPS548452A (en) Analog gate circuit
JPS548951A (en) Differential amplifying circuit
JPS5341964A (en) Logarithmic amplifier circuit
JPS5394163A (en) Negative feedback power amplifier
JPS5271140A (en) Memory circuit
JPS53139963A (en) Flip flop circuit
JPS5412245A (en) Variable gain circuit
JPS5389646A (en) Automatic gain control circuit
JPS53128928A (en) Horizontal output circuit having power source stabilizing function
JPS5331941A (en) Direct-coupled amplifier
JPS53120365A (en) Electron gun
JPS5437477A (en) Manufacture of semiconductor device
JPS5381093A (en) Multiinput-multioutput iil
JPS52154091A (en) Socket
JPS52149947A (en) Direct-coupled type differential amplifier
JPS5292460A (en) Charge amplifier
JPS5357952A (en) Gain control circuit
JPS545365A (en) Complementary transistor circuit
JPS53142150A (en) Signal conversion circuit
JPS5357953A (en) Voltage amplifier circuit

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041014

A131 Notification of reasons for refusal

Effective date: 20070605

Free format text: JAPANESE INTERMEDIATE CODE: A131

A521 Written amendment

Effective date: 20070830

Free format text: JAPANESE INTERMEDIATE CODE: A523

A131 Notification of reasons for refusal

Effective date: 20071023

Free format text: JAPANESE INTERMEDIATE CODE: A131

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080311

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20080409

A521 Written amendment

Effective date: 20080609

Free format text: JAPANESE INTERMEDIATE CODE: A523

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Effective date: 20080724

Free format text: JAPANESE INTERMEDIATE CODE: A911

A912 Removal of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20080828

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20100112

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20100115