JPS5757010A - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS5757010A
JPS5757010A JP56120328A JP12032881A JPS5757010A JP S5757010 A JPS5757010 A JP S5757010A JP 56120328 A JP56120328 A JP 56120328A JP 12032881 A JP12032881 A JP 12032881A JP S5757010 A JPS5757010 A JP S5757010A
Authority
JP
Japan
Prior art keywords
output
input
emitter
amplified
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.)
Granted
Application number
JP56120328A
Other languages
Japanese (ja)
Other versions
JPS6412404B2 (en
Inventor
Fumio Hori
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 JP56120328A priority Critical patent/JPS5757010A/en
Publication of JPS5757010A publication Critical patent/JPS5757010A/en
Publication of JPS6412404B2 publication Critical patent/JPS6412404B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)

Abstract

PURPOSE: To prevent the distortion rate from being degraded by the influence of a feedback capacity, by changing the common emitter current of transistors, which constitute the differential amplifier in the input stage, in the same phase as an input or output signal.
CONSTITUTION: The input signal applied to an input terminal 1 is amplified by a differential amplifier 4 consisting of FETs 2 and 3 and is amplified by an amplfying circuit 9 and appears at an output terminal 12. A part of the output is fed back through a resistance R10 to the gate of the FET3. The emitter of a transistor (TR) 8 in the output side and the base of a TR5 for constant current are connected through a capacitor C2, and the TR5 for constant current is controlled by a part of the output current flowed between the emitter and the collector of the TR8.
COPYRIGHT: (C)1982,JPO&Japio
JP56120328A 1981-07-30 1981-07-30 Amplifier Granted JPS5757010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56120328A JPS5757010A (en) 1981-07-30 1981-07-30 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56120328A JPS5757010A (en) 1981-07-30 1981-07-30 Amplifier

Publications (2)

Publication Number Publication Date
JPS5757010A true JPS5757010A (en) 1982-04-06
JPS6412404B2 JPS6412404B2 (en) 1989-02-28

Family

ID=14783532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56120328A Granted JPS5757010A (en) 1981-07-30 1981-07-30 Amplifier

Country Status (1)

Country Link
JP (1) JPS5757010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0393306A (en) * 1989-08-31 1991-04-18 Delco Electron Corp Electronic circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304512A (en) * 1963-10-29 1967-02-14 Robert W Mcmillan Feedback system for high speed magnetic deflection
US3440554A (en) * 1966-09-14 1969-04-22 Burr Brown Res Corp Differential dc amplifier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304512A (en) * 1963-10-29 1967-02-14 Robert W Mcmillan Feedback system for high speed magnetic deflection
US3440554A (en) * 1966-09-14 1969-04-22 Burr Brown Res Corp Differential dc amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0393306A (en) * 1989-08-31 1991-04-18 Delco Electron Corp Electronic circuit

Also Published As

Publication number Publication date
JPS6412404B2 (en) 1989-02-28

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