JPS60169944U - DA converter with calibration function - Google Patents

DA converter with calibration function

Info

Publication number
JPS60169944U
JPS60169944U JP5601884U JP5601884U JPS60169944U JP S60169944 U JPS60169944 U JP S60169944U JP 5601884 U JP5601884 U JP 5601884U JP 5601884 U JP5601884 U JP 5601884U JP S60169944 U JPS60169944 U JP S60169944U
Authority
JP
Japan
Prior art keywords
converter
calibration function
correction value
memory
supplied
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
JP5601884U
Other languages
Japanese (ja)
Inventor
三田村　正和
克己 小島
Original Assignee
株式会社アドバンテスト
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 株式会社アドバンテスト filed Critical 株式会社アドバンテスト
Priority to JP5601884U priority Critical patent/JPS60169944U/en
Publication of JPS60169944U publication Critical patent/JPS60169944U/en
Pending legal-status Critical Current

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  • Analogue/Digital Conversion (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) [Abstract] 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図は従来の校正機能付ＤＡ変換器の回路図、第２図
は二″の考案による校正機能付ＤＡ変換器のブロック図
である。 １１：入力端子、１２：ＤＡ変換器、１３，１８：可変
抵抗器、１４，１５：抵抗器、１６：オフセット補正回
路、１７：演算増幅器、１９ニゲイン調整回路、２０：
出力端子、２１：マイクロ・コンピュータ（μｃｐｕ）
；　２２　：メモリ、２３：切換器、２５：ＡＤ変換器
、２６：デジタル制御器。Fig. 1 is a circuit diagram of a conventional DA converter with a calibration function, and Fig. 2 is a block diagram of a DA converter with a calibration function invented by Mr. 18: variable resistor, 14, 15: resistor, 16: offset correction circuit, 17: operational amplifier, 19 gain adjustment circuit, 20:
Output terminal, 21: Microcomputer (μcpu)
22: memory, 23: switch, 25: AD converter, 26: digital controller.

Claims (1)

【実用新案登録請求の範囲】 ＡＤＤＡ変換器、 ＢＡＤ変換器と、 Ｃ出力時に上ＤＡ変換器の出力電圧を出力端子に、校正
時に上ＤＡ変換器の出力電圧を上記即度換器に供給する
切換器と、 Ｄ　演算手段と、 Ｅ　メモリと、 Ｆ　校正時に上記ＤＡ変換器に１以上のデジタルを入力
し、そのとき上記ＡＤ変換器から得られるデジタル値と
上記デジタル値とを上記演算手段に供給して補正値を求
め、この補正値を上記メモリに記憶させる制御手段と、 から成ることを特徴とする校正機能付ＤＡ変換器。[Claims for Utility Model Registration] ADDA converter, BAD converter, and the output voltage of the upper DA converter is supplied to the output terminal during C output, and the output voltage of the upper DA converter is supplied to the above immediate converter during calibration. a switch; D a calculating means; E a memory; F inputting one or more digital values to the DA converter during calibration; A DA converter with a calibration function, comprising: control means for determining a correction value by supplying the correction value and storing the correction value in the memory.
JP5601884U 1984-04-17 1984-04-17 DA converter with calibration function Pending JPS60169944U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5601884U JPS60169944U (en) 1984-04-17 1984-04-17 DA converter with calibration function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5601884U JPS60169944U (en) 1984-04-17 1984-04-17 DA converter with calibration function

Publications (1)

Publication Number Publication Date
JPS60169944U true JPS60169944U (en) 1985-11-11

Family

ID=30579229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5601884U Pending JPS60169944U (en) 1984-04-17 1984-04-17 DA converter with calibration function

Country Status (1)

Country Link
JP (1) JPS60169944U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010183365A (en) * 2009-02-05 2010-08-19 Nec Corp Digital/analog conversion apparatus and digital/analog conversion method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136134A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Digital-analog converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136134A (en) * 1982-02-08 1983-08-13 Hitachi Ltd Digital-analog converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010183365A (en) * 2009-02-05 2010-08-19 Nec Corp Digital/analog conversion apparatus and digital/analog conversion method

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