JPS6168533U - - Google Patents
Info
- Publication number
- JPS6168533U JPS6168533U JP15078884U JP15078884U JPS6168533U JP S6168533 U JPS6168533 U JP S6168533U JP 15078884 U JP15078884 U JP 15078884U JP 15078884 U JP15078884 U JP 15078884U JP S6168533 U JPS6168533 U JP S6168533U
- Authority
- JP
- Japan
- Prior art keywords
- potential
- converter
- power supply
- point
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図はこの考案の一実施例を示す接続図、第
２図はこの考案の変形実施例を説明するための接
続図、第３図は従来技術を説明するための接続図
、第４図は従来技術の不都合を説明するための波
形図である。
４００：ＡＤ変換部、４０１：バツフア、４０
６：ＡＤ変換器、ＩＣＭ：コモン端子電流、ＣＭ
：回路の共通電位点、ＥＣＭ：電源の共通電位点
、４１０：アナログ減算回路。
Fig. 1 is a connection diagram showing one embodiment of this invention, Fig. 2 is a connection diagram for explaining a modified embodiment of this invention, Fig. 3 is a connection diagram for explaining the prior art, and Fig. 4 is a waveform diagram for explaining the disadvantages of the prior art. 400: AD conversion section, 401: Buffer, 40
6: AD converter, ICM: common terminal current, CM
: Common potential point of the circuit, ECM: Common potential point of the power supply, 410: Analog subtraction circuit.
Claims (1)
めのバツフアと、他の回路から与えられる被測定
電圧をＡＤ変換するＡＤ変換器とを具備し、この
ＡＤ変換器のコモン端子を電源の共通電位点に接
続すると共に上記ＡＤ変換器の前段に電源の共通
電位点の電位を基準とする被測定電圧を得るため
のアナログ減算回路を設けて成るＡＤ変換器。 It is equipped with a buffer for maintaining the reference potential of the circuit network at the potential of a remote point, and an AD converter for AD converting the voltage to be measured given from another circuit, and the common terminal of this AD converter is connected to the common terminal of the power supply. An AD converter connected to a potential point and provided at a stage before the AD converter with an analog subtraction circuit for obtaining a voltage to be measured based on the potential of a common potential point of a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984150788U JPH0136362Y2 (en) | 1984-10-05 | 1984-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984150788U JPH0136362Y2 (en) | 1984-10-05 | 1984-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6168533U true JPS6168533U (en) | 1986-05-10 |
| JPH0136362Y2 JPH0136362Y2 (en) | 1989-11-06 |
Family
ID=30708921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984150788U Expired JPH0136362Y2 (en) | 1984-10-05 | 1984-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0136362Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296672A (en) * | 1988-06-01 | 1990-04-09 | Toshiba Corp | Inspection of integrated circuit |
| JPH02146689A (en) * | 1988-10-13 | 1990-06-05 | Sony Tektronix Corp | Subtracting circuit |
| JP2011503613A (en) * | 2007-11-20 | 2011-01-27 | クウォリタウ・インコーポレーテッド | Voltage source measurement unit with minimum common mode error |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825717A (en) * | 1981-08-07 | 1983-02-16 | Hitachi Ltd | Analog-digital converter |
-
1984
- 1984-10-05 JP JP1984150788U patent/JPH0136362Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825717A (en) * | 1981-08-07 | 1983-02-16 | Hitachi Ltd | Analog-digital converter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0296672A (en) * | 1988-06-01 | 1990-04-09 | Toshiba Corp | Inspection of integrated circuit |
| JPH02146689A (en) * | 1988-10-13 | 1990-06-05 | Sony Tektronix Corp | Subtracting circuit |
| JP2011503613A (en) * | 2007-11-20 | 2011-01-27 | クウォリタウ・インコーポレーテッド | Voltage source measurement unit with minimum common mode error |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136362Y2 (en) | 1989-11-06 |