JPS5973844U - Conversion error correction circuit for digital-to-analog converter - Google Patents
Conversion error correction circuit for digital-to-analog converterInfo
- Publication number
- JPS5973844U JPS5973844U JP16903882U JP16903882U JPS5973844U JP S5973844 U JPS5973844 U JP S5973844U JP 16903882 U JP16903882 U JP 16903882U JP 16903882 U JP16903882 U JP 16903882U JP S5973844 U JPS5973844 U JP S5973844U
- Authority
- JP
- Japan
- Prior art keywords
- digital
- analog converter
- conversion error
- error correction
- correction circuit
- 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
Landscapes
- Analogue/Digital Conversion (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＤ／Ａ変換器の変換誤差補正回路の回路
図、第２図は本考案のＤ／Ａ変換器の変換誤差補正回路
の回路図、第３図は本考案の他の実施例を示すＤ／Ａ変
換器の変換誤差補正回路の回路図である。
−図中、１・・・・・・Ｄ／Ａ変換器、２・・・・・・
極性反転回路、３・・・・・・パッチング回路（選択ス
イッチ）、４・・・・・・補正用Ａｌｐ変換器、５・・
・・・・電流−電圧変換器、６゜６′、６ ・・・・・
・補正回路。Fig. 1 is a circuit diagram of a conversion error correction circuit of a conventional D/A converter, Fig. 2 is a circuit diagram of a conversion error correction circuit of a D/A converter of the present invention, and Fig. 3 is a circuit diagram of a conversion error correction circuit of a D/A converter of the present invention. FIG. 2 is a circuit diagram of a conversion error correction circuit of a D/A converter showing an embodiment. - In the figure, 1...D/A converter, 2...
Polarity inversion circuit, 3...Patching circuit (selection switch), 4...Alp converter for correction, 5...
...Current-voltage converter, 6゜6', 6 ...
・Correction circuit.
Claims (1)
変換誤差を含むデジタル信号データを極性反転及非反転
回路を通じて極性選択スイッチに与え、該極性選択スイ
ッチ出力を補正量調整手段に与えて、該補正量調整手段
出力を上記デジタル−アナログ変換器のアナログ出力に
加えて変換誤差を補正してなることを特徴とするデジタ
ル−アナログ変換器の変換誤差補正回路。Digital signal data including a conversion error occurring in a specific input bit of the digital-to-analog converter is applied to a polarity selection switch through a polarity inversion and non-inversion circuit, and the output of the polarity selection switch is applied to a correction amount adjusting means, and the correction amount is 1. A conversion error correction circuit for a digital-to-analog converter, characterized in that the adjustment means output is added to the analog output of the digital-to-analog converter to correct conversion errors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16903882U JPS5973844U (en) | 1982-11-08 | 1982-11-08 | Conversion error correction circuit for digital-to-analog converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16903882U JPS5973844U (en) | 1982-11-08 | 1982-11-08 | Conversion error correction circuit for digital-to-analog converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5973844U true JPS5973844U (en) | 1984-05-19 |
Family
ID=30369388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16903882U Pending JPS5973844U (en) | 1982-11-08 | 1982-11-08 | Conversion error correction circuit for digital-to-analog converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5973844U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146327A (en) * | 1980-04-15 | 1981-11-13 | Casio Comput Co Ltd | Output error compensating circuit for digital-to-analog converter |
| JPS57104320A (en) * | 1980-12-22 | 1982-06-29 | Nec Corp | Digital-analogue converter |
-
1982
- 1982-11-08 JP JP16903882U patent/JPS5973844U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56146327A (en) * | 1980-04-15 | 1981-11-13 | Casio Comput Co Ltd | Output error compensating circuit for digital-to-analog converter |
| JPS57104320A (en) * | 1980-12-22 | 1982-06-29 | Nec Corp | Digital-analogue converter |
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