JPH044434U - - Google Patents
Info
- Publication number
- JPH044434U JPH044434U JP4466890U JP4466890U JPH044434U JP H044434 U JPH044434 U JP H044434U JP 4466890 U JP4466890 U JP 4466890U JP 4466890 U JP4466890 U JP 4466890U JP H044434 U JPH044434 U JP H044434U
- Authority
- JP
- Japan
- Prior art keywords
- level
- input data
- outputs
- shifting
- converting
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第1図は、この考案によるD/A変換回路の一
実施例を示すブロツク図、第2図と第3図は、こ
の考案の実施例の動作を説明するための図、第4
図は従来のD/A変換回路の動作を説明するため
の図である。
1……レベル検出回路、2……メモリ、3……
レベルシフト回路、4,5……D/A変換回路、
6……加算回路。
FIG. 1 is a block diagram showing one embodiment of the D/A conversion circuit according to this invention, FIGS. 2 and 3 are diagrams for explaining the operation of the embodiment of this invention, and FIG.
The figure is a diagram for explaining the operation of a conventional D/A conversion circuit. 1...Level detection circuit, 2...Memory, 3...
Level shift circuit, 4, 5...D/A conversion circuit,
6...Addition circuit.
Claims (1)
出手段と、 前記レベル検出手段で検出されたレベル値に応
じて前記メモリに記憶されている入力データレベ
ルを所定量だけシフトして2系統出力として発生
するレベルシフト手段と、 前記レベルシフト手段によりシフトされた2系
統出力をそれぞれD/A変換する2つのD/A変
換手段と、 前記2つのD/A変換手段の出力を加算する加
算手段と、 を備えて成ることを特徴とするD/A変換回路。[Claims for Utility Model Registration] A memory for storing input data; a level detecting means for detecting a level value of the input data; and a method for storing information in the memory according to the level value detected by the level detecting means. Level shifting means for shifting the input data level by a predetermined amount to generate two outputs; two D/A converting means for respectively D/A converting the two outputs shifted by the level shifting means; A D/A conversion circuit comprising: an addition means for adding the outputs of two D/A conversion means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990044668U JP2578803Y2 (en) | 1990-04-27 | 1990-04-27 | D / A conversion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990044668U JP2578803Y2 (en) | 1990-04-27 | 1990-04-27 | D / A conversion circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH044434U true JPH044434U (en) | 1992-01-16 |
JP2578803Y2 JP2578803Y2 (en) | 1998-08-20 |
Family
ID=31558179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990044668U Expired - Lifetime JP2578803Y2 (en) | 1990-04-27 | 1990-04-27 | D / A conversion circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2578803Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011234202A (en) * | 2010-04-28 | 2011-11-17 | Hitachi High-Technologies Corp | Current control device, and control method for the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6211324A (en) * | 1985-07-09 | 1987-01-20 | Teac Co | Digital-analog converting method |
JPS63257331A (en) * | 1987-04-15 | 1988-10-25 | Matsushita Electric Ind Co Ltd | D/a converter |
JPH01229524A (en) * | 1988-03-10 | 1989-09-13 | Nippon Columbia Co Ltd | D/a converter |
JPH01318320A (en) * | 1988-06-17 | 1989-12-22 | Nippon Columbia Co Ltd | D/a converter |
JPH02285813A (en) * | 1989-04-27 | 1990-11-26 | Nippon Columbia Co Ltd | Digital/analog converter |
-
1990
- 1990-04-27 JP JP1990044668U patent/JP2578803Y2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6211324A (en) * | 1985-07-09 | 1987-01-20 | Teac Co | Digital-analog converting method |
JPS63257331A (en) * | 1987-04-15 | 1988-10-25 | Matsushita Electric Ind Co Ltd | D/a converter |
JPH01229524A (en) * | 1988-03-10 | 1989-09-13 | Nippon Columbia Co Ltd | D/a converter |
JPH01318320A (en) * | 1988-06-17 | 1989-12-22 | Nippon Columbia Co Ltd | D/a converter |
JPH02285813A (en) * | 1989-04-27 | 1990-11-26 | Nippon Columbia Co Ltd | Digital/analog converter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011234202A (en) * | 2010-04-28 | 2011-11-17 | Hitachi High-Technologies Corp | Current control device, and control method for the same |
Also Published As
Publication number | Publication date |
---|---|
JP2578803Y2 (en) | 1998-08-20 |
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