JPS57152204A - Output buffer circuit - Google Patents

Output buffer circuit

Info

Publication number
JPS57152204A
JPS57152204A JP56037563A JP3756381A JPS57152204A JP S57152204 A JPS57152204 A JP S57152204A JP 56037563 A JP56037563 A JP 56037563A JP 3756381 A JP3756381 A JP 3756381A JP S57152204 A JPS57152204 A JP S57152204A
Authority
JP
Japan
Prior art keywords
gate
source
drain
power source
output terminal
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
JP56037563A
Other languages
Japanese (ja)
Other versions
JPH0147925B2 (en
Inventor
Masunori Sugimoto
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56037563A priority Critical patent/JPS57152204A/en
Publication of JPS57152204A publication Critical patent/JPS57152204A/en
Publication of JPH0147925B2 publication Critical patent/JPH0147925B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/343—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
    • H03F3/345—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only with field-effect devices

Abstract

PURPOSE:To reduce the output resistance of a buffer circuit greatly by adding a few elements, and allowing a load element to contribute to the decrease in output resistance. CONSTITUTION:The drain of an MOSFET21 is connected to a power source 30, and the source is connected to an output terminal 28; and the drain of an FET22 is connected to the output terminal 28, and the source is connected to a power source 31. Further, the gate of an FET23 is connected to the output terminal 28, and the gate of an FET24 is connected to an input terminal 27; and the gate of an FET25 is connected to the output terminal 28, the drain and gate of an FET26 are connected to the power source 30, and the source is connected to the gate of the FET21. Furthermore, the drain and source of the FET23 are connected to the power source 30 and the gate of the FET22, the drain and source of the FET24 are connected to the gate of the FET22 and the power source 31 and the drain and source of the FET25 are connected to the gate of the FET21 and the power source 31. Thus, the load element FET21 contributes to a decrease in output resistance, which is decreased greatly.
JP56037563A 1981-03-16 1981-03-16 Output buffer circuit Granted JPS57152204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56037563A JPS57152204A (en) 1981-03-16 1981-03-16 Output buffer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56037563A JPS57152204A (en) 1981-03-16 1981-03-16 Output buffer circuit

Publications (2)

Publication Number Publication Date
JPS57152204A true JPS57152204A (en) 1982-09-20
JPH0147925B2 JPH0147925B2 (en) 1989-10-17

Family

ID=12500985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56037563A Granted JPS57152204A (en) 1981-03-16 1981-03-16 Output buffer circuit

Country Status (1)

Country Link
JP (1) JPS57152204A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562715A (en) * 1979-06-22 1981-01-13 Nippon Telegr & Teleph Corp <Ntt> Transistor voltage amplifying circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562715A (en) * 1979-06-22 1981-01-13 Nippon Telegr & Teleph Corp <Ntt> Transistor voltage amplifying circuit

Also Published As

Publication number Publication date
JPH0147925B2 (en) 1989-10-17

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