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JPS644106A - Buffer circuit - Google Patents

Buffer circuit

Info

Publication number
JPS644106A
JPS644106A JP62158883A JP15888387A JPS644106A JP S644106 A JPS644106 A JP S644106A JP 62158883 A JP62158883 A JP 62158883A JP 15888387 A JP15888387 A JP 15888387A JP S644106 A JPS644106 A JP S644106A
Authority
JP
Japan
Prior art keywords
current
detection circuit
collector
current source
rate
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
JP62158883A
Other languages
Japanese (ja)
Other versions
JP2508488B2 (en
Inventor
Tetsuo Yamamoto
Fumio Ishikawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP62158883A priority Critical patent/JP2508488B2/en
Publication of JPS644106A publication Critical patent/JPS644106A/en
Application granted granted Critical
Publication of JP2508488B2 publication Critical patent/JP2508488B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Amplifiers (AREA)

Abstract

PURPOSE:To attain high through-rate with low power consumption by using an output of a current detection circuit provided at least one collector of a couple of transistors(TRs) so as to control a current source of an emitter of a relevant TR. CONSTITUTION:A current detection circuit 9 is provided to a collector of a TR 1 and an output of the current detection circuit 9 controls the current source 7. If an input signal Vin at an input terminal 3 rises rapidly, the TR 1 is going to be turned off and the collector current is decreased. It is detected by the current detection circuit 9 to increase the current of the current source 7 thereby preventing the TR 1 from being turned off. Then the potential at a connecting point P changes in following to the input signal Vin and an output signal Vout follows thereto, then the through-rate is increased. Since the current of the current source 7 is increased only at the transient state of the input/output signal, low power consumption and high through-rate are attained.
JP62158883A 1987-06-26 1987-06-26 Buffer circuit Expired - Fee Related JP2508488B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62158883A JP2508488B2 (en) 1987-06-26 1987-06-26 Buffer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62158883A JP2508488B2 (en) 1987-06-26 1987-06-26 Buffer circuit

Publications (2)

Publication Number Publication Date
JPS644106A true JPS644106A (en) 1989-01-09
JP2508488B2 JP2508488B2 (en) 1996-06-19

Family

ID=15681468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62158883A Expired - Fee Related JP2508488B2 (en) 1987-06-26 1987-06-26 Buffer circuit

Country Status (1)

Country Link
JP (1) JP2508488B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003269A (en) * 1989-05-12 1991-03-26 Burr-Brown Corporation Unity gain amplifier with high slew rate and high bandwidth
US5049653A (en) * 1989-02-02 1991-09-17 Comlinear Corporation Wideband buffer amplifier with high slew rate
US5177451A (en) * 1991-07-26 1993-01-05 Burr-Brown Corporation Unity gain amplifier with high slew rate and high bandwidth
US8299822B2 (en) 2010-03-26 2012-10-30 Hitachi, Ltd. Driver and output buffer circuit
JP2015076679A (en) * 2013-10-07 2015-04-20 旭化成エレクトロニクス株式会社 Source follower circuit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049653A (en) * 1989-02-02 1991-09-17 Comlinear Corporation Wideband buffer amplifier with high slew rate
US5003269A (en) * 1989-05-12 1991-03-26 Burr-Brown Corporation Unity gain amplifier with high slew rate and high bandwidth
US5177451A (en) * 1991-07-26 1993-01-05 Burr-Brown Corporation Unity gain amplifier with high slew rate and high bandwidth
US8299822B2 (en) 2010-03-26 2012-10-30 Hitachi, Ltd. Driver and output buffer circuit
JP2015076679A (en) * 2013-10-07 2015-04-20 旭化成エレクトロニクス株式会社 Source follower circuit

Also Published As

Publication number Publication date
JP2508488B2 (en) 1996-06-19

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees