JPS63108236U - - Google Patents
Info
- Publication number
- JPS63108236U JPS63108236U JP19937186U JP19937186U JPS63108236U JP S63108236 U JPS63108236 U JP S63108236U JP 19937186 U JP19937186 U JP 19937186U JP 19937186 U JP19937186 U JP 19937186U JP S63108236 U JPS63108236 U JP S63108236U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- output
- digital signal
- pass filter
- converts
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 2
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案の一実施例のＤ／Ａ変換回路の
構成を示すブロツク図、第２図は第１図のＤ／Ａ
変換回路の主要部の出力のスペクトラムを例示す
る概念図、第３図は従来のＤ／Ａ変換回路の構成
を示すブロツク図、第４図は第３図の従来回路の
出力のスペクトラムを例示する概念図である。
１１……第１のＤ／Ａ変換器、１２……第２の
Ｄ／Ａ変換器、１３……極性反転器、１４……高
域通過濾波器、１５……加算器。
FIG. 1 is a block diagram showing the configuration of a D/A conversion circuit according to an embodiment of the present invention, and FIG.
A conceptual diagram illustrating the output spectrum of the main part of the conversion circuit, FIG. 3 is a block diagram showing the configuration of a conventional D/A conversion circuit, and FIG. 4 illustrates the output spectrum of the conventional circuit of FIG. 3. It is a conceptual diagram. 11... First D/A converter, 12... Second D/A converter, 13... Polarity inverter, 14... High pass filter, 15... Adder.
Claims (1)
Ｄ／Ａ変換器と、 前記デイジタル信号と逆極性のデイジタル信号
をＰＡＭ信号に変換する第２のＤ／Ａ変換器と、 この第２のＤ／Ａ変換器の出力の高調波成分を
通過させる高域通過濾波器と、 この高域通過濾波器の出力と前記第１のＤ／Ａ
変換器の出力とを加算する加算器とを備えたこと
を特徴とするＤ／Ａ変換回路。[Claims for Utility Model Registration] A first D/A converter that converts a digital signal into a PAM signal; and a second D/A converter that converts a digital signal of opposite polarity to the digital signal into a PAM signal. , a high-pass filter that passes harmonic components of the output of the second D/A converter, and an output of the high-pass filter and the first D/A converter.
A D/A conversion circuit comprising: an adder for adding the output of the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19937186U JPS63108236U (en) | 1986-12-29 | 1986-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19937186U JPS63108236U (en) | 1986-12-29 | 1986-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63108236U true JPS63108236U (en) | 1988-07-12 |
Family
ID=31160930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19937186U Pending JPS63108236U (en) | 1986-12-29 | 1986-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63108236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015025504A1 (en) * | 2013-08-21 | 2015-02-26 | 旭化成エレクトロニクス株式会社 | Method for controlling d/a converter, d/a converter, method for controlling a/d converter, and a/d converter |
-
1986
- 1986-12-29 JP JP19937186U patent/JPS63108236U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015025504A1 (en) * | 2013-08-21 | 2015-02-26 | 旭化成エレクトロニクス株式会社 | Method for controlling d/a converter, d/a converter, method for controlling a/d converter, and a/d converter |
| CN104685789A (en) * | 2013-08-21 | 2015-06-03 | 旭化成微电子株式会社 | Method for controlling D/A converter, D/A converter, method for controlling A/D converter, and A/D converter |
| US9246502B2 (en) | 2013-08-21 | 2016-01-26 | Asahi Kasei Microdevices Corporation | Control method of D/A converter, D/A converter, control method of A/D converter, and A/D converter |
| JP5882539B2 (en) * | 2013-08-21 | 2016-03-09 | 旭化成エレクトロニクス株式会社 | D / A converter and control method of D / A converter |
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