JPS58119224U - Stepped Electronic Variable Resistor Integrated Circuit - Google Patents

Stepped Electronic Variable Resistor Integrated Circuit

Info

Publication number
JPS58119224U
JPS58119224U JP1463782U JP1463782U JPS58119224U JP S58119224 U JPS58119224 U JP S58119224U JP 1463782 U JP1463782 U JP 1463782U JP 1463782 U JP1463782 U JP 1463782U JP S58119224 U JPS58119224 U JP S58119224U
Authority
JP
Japan
Prior art keywords
integrated circuit
variable resistor
electronic variable
group
resistor integrated
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
JP1463782U
Other languages
Japanese (ja)
Inventor
臼井　純二
Original Assignee
赤井電機株式会社
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 赤井電機株式会社 filed Critical 赤井電機株式会社
Priority to JP1463782U priority Critical patent/JPS58119224U/en
Publication of JPS58119224U publication Critical patent/JPS58119224U/en
Pending legal-status Critical Current

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  • Semiconductor Integrated Circuits (AREA)
  • Attenuators (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図は段階式電子可変抵抗集積回路の内部接続図、第
２図は本考案による段階式電子可変抵抗集積回路の内部
接続図。 Ｒ１乃至Ｒ８：抵抗素子、Ｓｌ乃至Ｓ６：アナログスイ
ッチ、Ｄｌ：アナログスイッチを駆動するためのドライ
ブ回路、’Ｉ’ｌ、Ｔ２：入力端子、Ｔ３゜Ｔ４：出力
端子、Ｔ５：設定用入力端子。FIG. 1 is an internal connection diagram of a stepped electronic variable resistance integrated circuit, and FIG. 2 is an internal connection diagram of a stepped electronic variable resistance integrated circuit according to the present invention. R1 to R8: Resistance elements, Sl to S6: Analog switches, Dl: Drive circuit for driving the analog switches, 'I'l, T2: Input terminals, T3°T4: Output terminals, T5: Setting input terminals.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力と出力の電圧の比を段階的に可変するための抵抗素
子群と上記電圧の比を選択するための素子群を備えた集
積回路において、上記抵抗素子群の一つの抵抗素子と他
の抵抗素子との接続点と入力端子或いは出力端子との間
に別の抵抗素子を接続して、上記一つの抵抗素子と他の
抵抗素子との間の接続抵抗の影響を軽減するようになし
たことを特徴とする段階式電子可変抵抗集積回路。In an integrated circuit comprising a group of resistive elements for stepwise varying the ratio of input and output voltages and a group of elements for selecting the ratio of the voltages, one resistive element of the resistive element group and the other resistor Another resistance element is connected between the connection point with the element and the input terminal or output terminal to reduce the influence of the connection resistance between the one resistance element and the other resistance element. A stepped electronic variable resistor integrated circuit featuring:
JP1463782U 1982-02-04 1982-02-04 Stepped Electronic Variable Resistor Integrated Circuit Pending JPS58119224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1463782U JPS58119224U (en) 1982-02-04 1982-02-04 Stepped Electronic Variable Resistor Integrated Circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1463782U JPS58119224U (en) 1982-02-04 1982-02-04 Stepped Electronic Variable Resistor Integrated Circuit

Publications (1)

Publication Number Publication Date
JPS58119224U true JPS58119224U (en) 1983-08-13

Family

ID=30027095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1463782U Pending JPS58119224U (en) 1982-02-04 1982-02-04 Stepped Electronic Variable Resistor Integrated Circuit

Country Status (1)

Country Link
JP (1) JPS58119224U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617511A (en) * 1979-07-23 1981-02-19 Sony Corp Variable attenuating circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617511A (en) * 1979-07-23 1981-02-19 Sony Corp Variable attenuating circuit

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