JPH0295939U - - Google Patents
Info
- Publication number
- JPH0295939U JPH0295939U JP556489U JP556489U JPH0295939U JP H0295939 U JPH0295939 U JP H0295939U JP 556489 U JP556489 U JP 556489U JP 556489 U JP556489 U JP 556489U JP H0295939 U JPH0295939 U JP H0295939U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- register
- analog
- comparison data
- input
- 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
Links
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は従来の技術を説明するためのブロツク
図である。
１０：ＡＤ変換器、１１：制御器、１２：レジ
スタ、１３：ＤＡ変換器、１４：アナログ比較器
、１５：データ切替器、１６：切替回路。
FIG. 1 is a block diagram showing one embodiment of this invention, and FIG. 2 is a block diagram for explaining the conventional technology. 10: AD converter, 11: controller, 12: register, 13: DA converter, 14: analog comparator, 15: data switcher, 16: switching circuit.
Claims (1)
ジスタに保持された比較データをアナログ値に変
換するＤＡ変換器と、このＤＡ変換器から出力さ
れるアナログ値と入力アナログ値とを比較するア
ナログ比較器と、このアナログ比較器の比較出力
を取込んで上記比較データを逐次増減させ、上記
比較データを上記入力アナログ値に近づける制御
を行う制御器とを具備して成るＡＤ変換器におい
て、 上記レジスタの入力側にデータ切替器を設け、
このデータ切替器によつて判定用の比較データを
上記レジスタに入力できるようにし、上記アナロ
グ比較器から良否判定信号を出力させるように構
成したアナログ判定機能を持つＡＤ変換器。[Claims for Utility Model Registration] A register that temporarily holds comparison data, a DA converter that converts the comparison data held in this register into an analog value, an analog value output from this DA converter, and an input analog value and a controller that takes in the comparison output of the analog comparator, sequentially increases or decreases the comparison data, and controls the comparison data to approach the input analog value. In the converter, a data switch is provided on the input side of the above register,
An AD converter having an analog judgment function configured to allow comparison data for judgment to be input into the register through the data switcher and output a pass/fail judgment signal from the analog comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP556489U JPH0295939U (en) | 1989-01-20 | 1989-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP556489U JPH0295939U (en) | 1989-01-20 | 1989-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295939U true JPH0295939U (en) | 1990-07-31 |
Family
ID=31209049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP556489U Pending JPH0295939U (en) | 1989-01-20 | 1989-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295939U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635532A (en) * | 1979-08-31 | 1981-04-08 | Hitachi Ltd | A/d converter |
| JPS57119259A (en) * | 1981-01-19 | 1982-07-24 | Hitachi Ltd | Testing method for a/d converter |
-
1989
- 1989-01-20 JP JP556489U patent/JPH0295939U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635532A (en) * | 1979-08-31 | 1981-04-08 | Hitachi Ltd | A/d converter |
| JPS57119259A (en) * | 1981-01-19 | 1982-07-24 | Hitachi Ltd | Testing method for a/d converter |