JPS5957018U - operational amplifier - Google Patents

operational amplifier

Info

Publication number
JPS5957018U
JPS5957018U JP15228982U JP15228982U JPS5957018U JP S5957018 U JPS5957018 U JP S5957018U JP 15228982 U JP15228982 U JP 15228982U JP 15228982 U JP15228982 U JP 15228982U JP S5957018 U JPS5957018 U JP S5957018U
Authority
JP
Japan
Prior art keywords
operational amplifier
variable resistor
amplifier
power supply
field effect
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.)
Pending
Application number
JP15228982U
Other languages
Japanese (ja)
Inventor
貞之 下田
田端 潤一
Original Assignee
セイコーインスツルメンツ株式会社
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 セイコーインスツルメンツ株式会社 filed Critical セイコーインスツルメンツ株式会社
Priority to JP15228982U priority Critical patent/JPS5957018U/en
Publication of JPS5957018U publication Critical patent/JPS5957018U/en
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図C′よ、従来の演算増幅器の初段を示した図、第
2.3図は、本考案の演算増幅器の初段を示し1.2,
3,4,5.13・・・・・・MOSFET。 12・・・・・・可変抵抗器。  −
Fig. 1 C' shows the first stage of a conventional operational amplifier, and Fig. 2.3 shows the first stage of the operational amplifier of the present invention.
3, 4, 5.13... MOSFET. 12...Variable resistor. −

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)絶縁ゲート型電界効果トランジスタからなる。 演算増幅器において、前記演算増幅器の初段を構成して
いる差動増幅器の第1の負荷トランジスタのゲートと電
源との間に可変抵抗器を挿入−し、前記可変抵抗器の可
変端子と前記差動増幅器の第2の負荷トランジスタのゲ
ートとを接緒することを特徴とした演算増幅器。
(1) Consists of an insulated gate field effect transistor. In the operational amplifier, a variable resistor is inserted between the gate of the first load transistor of the differential amplifier constituting the first stage of the operational amplifier and the power supply, and a variable resistor is inserted between the variable terminal of the variable resistor and the differential amplifier. An operational amplifier characterized in that it is connected to the gate of a second load transistor of the amplifier.
(2)前記可変抵抗器と直列に絶縁ゲート型電界効果ト
ランジスタを電源との間に挿入したことを特徴とした実
用新案登録請求の範囲第1項記載の演算増幅器。   
  、
(2) The operational amplifier according to claim 1, which is a registered utility model, characterized in that an insulated gate field effect transistor is inserted in series with the variable resistor and between it and a power supply.
,
JP15228982U 1982-10-07 1982-10-07 operational amplifier Pending JPS5957018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15228982U JPS5957018U (en) 1982-10-07 1982-10-07 operational amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15228982U JPS5957018U (en) 1982-10-07 1982-10-07 operational amplifier

Publications (1)

Publication Number Publication Date
JPS5957018U true JPS5957018U (en) 1984-04-13

Family

ID=30337235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15228982U Pending JPS5957018U (en) 1982-10-07 1982-10-07 operational amplifier

Country Status (1)

Country Link
JP (1) JPS5957018U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020150401A (en) * 2019-03-13 2020-09-17 新日本無線株式会社 Off-set adjustment method of differential amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020150401A (en) * 2019-03-13 2020-09-17 新日本無線株式会社 Off-set adjustment method of differential amplifier

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