JP4684853B2 - レンジ切替制御装置 - Google Patents
レンジ切替制御装置 Download PDFInfo
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- JP4684853B2 JP4684853B2 JP2005320620A JP2005320620A JP4684853B2 JP 4684853 B2 JP4684853 B2 JP 4684853B2 JP 2005320620 A JP2005320620 A JP 2005320620A JP 2005320620 A JP2005320620 A JP 2005320620A JP 4684853 B2 JP4684853 B2 JP 4684853B2
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Description
2 レンジ切替回路
3−1〜3−n DAコンバータ
4−1〜4−n 出力レンジ回路
5 被試験装置
Claims (2)
- それぞれの出力端子を被試験装置に対して並列的に接続し、それぞれ最大設定値が異なるレンジを有する複数の出力レンジ回路と、
該複数の出力レンジ回路対応に設けたDAコンバータと、
レンジ切替えの制御信号により前記複数の出力レンジ回路の中の単一又は複数を動作状態とするON制御信号を加えるレンジ切替回路と、
該レンジ切替回路にレンジ切替えの制御信号を入力し、且つ前記DAコンバータにそれぞれのレンジ対応の設定値データを入力するプロセッサと
を備えたことを特徴とするレンジ切替制御装置。 - 前記被試験装置の試験範囲を最小レンジと最大レンジと単一又は複数の中間レンジとに分けて、レンジ対応に設けた複数の前記出力レンジ回路と、前記試験範囲が最小レンジの時に前記最小レンジ対応の単一の前記出力レンジ回路を動作状態とし、前記試験範囲が中間レンジの時に該中間レンジを含む前記最小レンジ迄の複数の前記出力レンジ回路を動作状態とし、前記最大レンジの時に該最大レンジ対応の前記出力レンジ回路を含む全出力レンジ回路を動作状態に制御する前記レンジ切替回路を備えたことを特徴とする請求項1記載のレンジ切替制御装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005320620A JP4684853B2 (ja) | 2005-11-04 | 2005-11-04 | レンジ切替制御装置 |
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JP2005320620A JP4684853B2 (ja) | 2005-11-04 | 2005-11-04 | レンジ切替制御装置 |
Publications (2)
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JP2007127527A JP2007127527A (ja) | 2007-05-24 |
JP4684853B2 true JP4684853B2 (ja) | 2011-05-18 |
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JP2005320620A Expired - Fee Related JP4684853B2 (ja) | 2005-11-04 | 2005-11-04 | レンジ切替制御装置 |
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JP (1) | JP4684853B2 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0359736U (ja) * | 1989-10-13 | 1991-06-12 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5871722A (ja) * | 1981-10-26 | 1983-04-28 | Yokogawa Hewlett Packard Ltd | デジタル・アナログ変換器 |
JPH01193653A (ja) * | 1988-01-27 | 1989-08-03 | Nec Corp | 計測機用電源装置 |
JPH0650821B2 (ja) * | 1988-01-27 | 1994-06-29 | パイオニア株式会社 | D/a変換器 |
JP2542235B2 (ja) * | 1988-04-21 | 1996-10-09 | 横河電機株式会社 | 電庄発生器 |
JP2579556B2 (ja) * | 1990-08-31 | 1997-02-05 | ナカミチ株式会社 | ディジタル/アナログ変換装置 |
JPH0954143A (ja) * | 1995-08-11 | 1997-02-25 | Advantest Corp | 半導体試験装置における並列接続する電圧発生器及びコンタクト試験方法 |
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2005
- 2005-11-04 JP JP2005320620A patent/JP4684853B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0359736U (ja) * | 1989-10-13 | 1991-06-12 |
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JP2007127527A (ja) | 2007-05-24 |
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