JPS6170437U - - Google Patents
Info
- Publication number
- JPS6170437U JPS6170437U JP15552684U JP15552684U JPS6170437U JP S6170437 U JPS6170437 U JP S6170437U JP 15552684 U JP15552684 U JP 15552684U JP 15552684 U JP15552684 U JP 15552684U JP S6170437 U JPS6170437 U JP S6170437U
- Authority
- JP
- Japan
- Prior art keywords
- digital
- analog converter
- order harmonic
- magnitude
- linearity
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例に係るＤ−Ａ変換器
調整用回路のブロツク図、第２図及び第３図はＤ
−Ａ変換器に三角波のＰＣＭ信号を入力した場合
のＤ−Ａ変換器から出力されるＰＡＭ信号を示す
図、第４図は第１ビツトのかわり目で直線性のわ
るいＤ−Ａ変換器に三角波のＰＣＭ信号を入力し
た場合のＤ−Ａ変換器の出力ＰＡＭ信号を示す図
、第５図はＤ−Ａ変換器用調整回路の従来例のブ
ロツク図である。
１１……ＰＣＭ信号発生器、１２……Ｄ−Ａ変
換器、１３……解析器、１３ａ……選択レベル計
、１４……タイミングパルス発生器。
FIG. 1 is a block diagram of a D-A converter adjustment circuit according to an embodiment of the present invention, and FIGS. 2 and 3 are D
- A diagram showing the PAM signal output from the D-A converter when a triangular PCM signal is input to the A converter. FIG. 5 is a block diagram of a conventional example of a D-A converter adjustment circuit. 11... PCM signal generator, 12... DA converter, 13... analyzer, 13a... selection level meter, 14... timing pulse generator.
Claims (1)
るデイジタル−アナログ変換器調整用回路におい
て、 偶数次高調波成分を含まないパルス符号変調信
号を前記デイジタル−アナログ変換器に入力する
回路と、 前記デイジタル−アナログ変換器から出力され
たパルス振幅変調信号に含まれる偶数次高調波歪
成分の大きさを測定する回路とを具備し、 該測定に基づき前記デイジタル−アナログ変換
器の直線性を調整することを特徴とするデイジタ
ル−アナログ変換器調整用回路。[Claims for Utility Model Registration] In a digital-to-analog converter adjustment circuit for adjusting the linearity of a digital-to-analog converter, a pulse code modulation signal that does not contain even-order harmonic components is input to the digital-to-analog converter. and a circuit that measures the magnitude of even-order harmonic distortion components contained in the pulse amplitude modulation signal output from the digital-to-analog converter, and based on the measurement, the magnitude of the even-order harmonic distortion component is A digital-to-analog converter adjustment circuit characterized by adjusting linearity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15552684U JPS6170437U (en) | 1984-10-15 | 1984-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15552684U JPS6170437U (en) | 1984-10-15 | 1984-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170437U true JPS6170437U (en) | 1986-05-14 |
Family
ID=30713539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15552684U Pending JPS6170437U (en) | 1984-10-15 | 1984-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013042313A1 (en) * | 2011-09-20 | 2013-03-28 | パナソニック株式会社 | Da converter device and sound system |
-
1984
- 1984-10-15 JP JP15552684U patent/JPS6170437U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013042313A1 (en) * | 2011-09-20 | 2013-03-28 | パナソニック株式会社 | Da converter device and sound system |
| JPWO2013042313A1 (en) * | 2011-09-20 | 2015-03-26 | パナソニックＩｐマネジメント株式会社 | DA converter and audio system |
| US9218816B2 (en) | 2011-09-20 | 2015-12-22 | Panasonic Intellectual Property Management Co., Ltd. | DAC device and audio system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62112221U (en) | ||
| DE68923525D1 (en) | Digital demodulator system. | |
| JPS6170437U (en) | ||
| JPS57180229A (en) | Digital-to-analog converter | |
| ES8703068A1 (en) | Sampling rate converter for delta modulated signals. | |
| JP2993266B2 (en) | Amplitude modulator | |
| JPH0710477Y2 (en) | Input signal generation circuit | |
| JPS6022033U (en) | Digital-to-analog converter | |
| JPS6029685Y2 (en) | totalizer | |
| JPS6314176U (en) | ||
| JPS6133518U (en) | Muting circuit | |
| EP0131261A3 (en) | A convolution processor | |
| JPS63196126U (en) | ||
| JPH01177618U (en) | ||
| JPH01169831U (en) | ||
| JPS5840941U (en) | analog to digital converter | |
| JPH0346256U (en) | ||
| JPH01105212U (en) | ||
| JPH0255349U (en) | ||
| JPH0434009U (en) | ||
| JPS58158538U (en) | Digital-analog signal converter | |
| JPH02142900U (en) | ||
| JPS6428030U (en) | ||
| JPS63187413U (en) | ||
| JPS61158744U (en) |