JPS6340034U - - Google Patents

Info

Publication number
JPS6340034U
JPS6340034U JP13397686U JP13397686U JPS6340034U JP S6340034 U JPS6340034 U JP S6340034U JP 13397686 U JP13397686 U JP 13397686U JP 13397686 U JP13397686 U JP 13397686U JP S6340034 U JPS6340034 U JP S6340034U
Authority
JP
Japan
Prior art keywords
analog quantity
converter
circuit
output
voltage
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
JP13397686U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP13397686U priority Critical patent/JPS6340034U/ja
Publication of JPS6340034U publication Critical patent/JPS6340034U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Voltage And Current In General (AREA)
  • Analogue/Digital Conversion (AREA)

Description

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

第１図はこの考案の一実施例を示す直流電圧・
電流発生装置の回路図、第２図は従来の直流電圧
・電流発生装置の一例を示す回路図である。 図中、１０は設定器、１１はＣＰＵ、１２はＤ
／Ａ変換器、１３はサンプリング・ホールド回路
、１４は増幅器、１５は出力回路、１６は検出回
路、１６ｃはコンパレータである。 Figure 1 shows one embodiment of this invention.
2. Circuit diagram of current generator. FIG. 2 is a circuit diagram showing an example of a conventional DC voltage/current generator. In the figure, 10 is a setting device, 11 is a CPU, and 12 is a D
13 is a sampling/holding circuit, 14 is an amplifier, 15 is an output circuit, 16 is a detection circuit, and 16c is a comparator.

Claims (1)

【実用新案登録請求の範囲】 設定器で設定された値に対応するデジタルデー
タをＤ／Ａ変換器でアナログ量に変換し、該アナ
ログ量を増幅器で増幅して定電圧及び定電流を出
力回路より出力する直流電圧・電流発生装置にお
いて、 前記Ｄ／Ａ変換器から出力されるアナログ量を
所定時間ごとにサンプリングし、該アナログ量を
保持すると共に前記増幅器に出力するサンプリン
グ・ホールド回路と、 前記出力回路から出力されるアナログ量に比例
した検出電圧と前記Ｄ／Ａ変換器から出力される
電圧とを比較するコンパレータとを具備し、 前記サンプリング・ホールド回路がホールド時
において、前記Ｄ／Ａ変換器と前記コンパレータ
とによりＡ／Ｄ変換回路を構成するようにしたこ
とを特徴とする直流電圧・電流発生装置。[Claims for Utility Model Registration] A circuit that converts digital data corresponding to a value set by a setting device into an analog quantity using a D/A converter, amplifies the analog quantity using an amplifier, and outputs constant voltage and constant current. A sampling/holding circuit that samples the analog quantity output from the D/A converter at predetermined time intervals, holds the analog quantity, and outputs the analog quantity to the amplifier; a comparator that compares a detection voltage proportional to an analog amount output from an output circuit with a voltage output from the D/A converter, and when the sampling/hold circuit holds, the D/A conversion 1. A direct current voltage/current generating device, characterized in that an A/D conversion circuit is configured by a converter and the comparator.
JP13397686U 1986-09-01 1986-09-01 Pending JPS6340034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13397686U JPS6340034U (en) 1986-09-01 1986-09-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13397686U JPS6340034U (en) 1986-09-01 1986-09-01

Publications (1)

Publication Number Publication Date
JPS6340034U true JPS6340034U (en) 1988-03-15

Family

ID=31034780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13397686U Pending JPS6340034U (en) 1986-09-01 1986-09-01

Country Status (1)

Country Link
JP (1) JPS6340034U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008026015A (en) * 2006-07-18 2008-02-07 Young Tek Electronics Corp Device for measuring static parameters of integrated circuits
JP2011125005A (en) * 2009-12-08 2011-06-23 Advantest Corp Signal generator and test device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57181224A (en) * 1981-04-21 1982-11-08 Fujitsu Ltd Reference voltage setting circuit
JPS5940662U (en) * 1982-09-10 1984-03-15 ニチアス株式会社 diaphragm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57181224A (en) * 1981-04-21 1982-11-08 Fujitsu Ltd Reference voltage setting circuit
JPS5940662U (en) * 1982-09-10 1984-03-15 ニチアス株式会社 diaphragm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008026015A (en) * 2006-07-18 2008-02-07 Young Tek Electronics Corp Device for measuring static parameters of integrated circuits
JP2011125005A (en) * 2009-12-08 2011-06-23 Advantest Corp Signal generator and test device

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