JPH01128183U - - Google Patents
Info
- Publication number
- JPH01128183U JPH01128183U JP2414988U JP2414988U JPH01128183U JP H01128183 U JPH01128183 U JP H01128183U JP 2414988 U JP2414988 U JP 2414988U JP 2414988 U JP2414988 U JP 2414988U JP H01128183 U JPH01128183 U JP H01128183U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- difference
- signal line
- data
- scanner
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Tests Of Electronic Circuits (AREA)
Description
第１図は本考案に係る差信号測定器の一実施例
を示す図、第２図は第１図装置におけるチヤネル
信号の様子を示す図、第３図は従来の構成例を示
す図である。
１……ＤＵＴ、２……スキヤナ、３……ＡＤ変
換器、４……コントローラ。
FIG. 1 is a diagram showing an embodiment of the difference signal measuring device according to the present invention, FIG. 2 is a diagram showing the state of a channel signal in the device shown in FIG. 1, and FIG. 3 is a diagram showing an example of a conventional configuration. . 1...DUT, 2...Scanner, 3...AD converter, 4...Controller.
Claims (1)
の差を測定する装置において、 各信号線にそれぞれ接続されたスイツチ素子を
有し、任意の２つの信号線の電気量を交互に繰返
してサンプリングすることができるスキヤナと、 前記スキヤナの出力をデジタル信号のデータＤ
３１，Ｄ４１，Ｄ３２，Ｄ４２，…へ変換するＡ
Ｄ変換器と、 前記ＡＤ変換器のデータをそれぞれ記憶し、こ
のデータから２つの信号線の電気量の差の平均値
を算出するコントローラと、 を備えたことを特徴とする差信号測定器。[Claims for Utility Model Registration] A device that introduces a plurality of signal lines and measures the difference in electrical quantity between each signal line, which has a switch element connected to each signal line, A scanner that can alternately and repeatedly sample the electrical quantity of the signal line; and the output of the scanner is converted into digital signal data D.
A to convert to 31, D41, D32, D42,...
A difference signal measuring device comprising: a D converter; and a controller that stores data from the AD converter and calculates an average value of the difference in electrical quantities of two signal lines from the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2414988U JPH076544Y2 (en) | 1988-02-25 | 1988-02-25 | Difference signal measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2414988U JPH076544Y2 (en) | 1988-02-25 | 1988-02-25 | Difference signal measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128183U true JPH01128183U (en) | 1989-09-01 |
| JPH076544Y2 JPH076544Y2 (en) | 1995-02-15 |
Family
ID=31243748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2414988U Expired - Lifetime JPH076544Y2 (en) | 1988-02-25 | 1988-02-25 | Difference signal measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076544Y2 (en) |
-
1988
- 1988-02-25 JP JP2414988U patent/JPH076544Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH076544Y2 (en) | 1995-02-15 |
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