JPS6322651U - - Google Patents
Info
- Publication number
- JPS6322651U JPS6322651U JP11386586U JP11386586U JPS6322651U JP S6322651 U JPS6322651 U JP S6322651U JP 11386586 U JP11386586 U JP 11386586U JP 11386586 U JP11386586 U JP 11386586U JP S6322651 U JPS6322651 U JP S6322651U
- Authority
- JP
- Japan
- Prior art keywords
- output
- digital
- signal
- analog
- analog converter
- 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
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Description
第１図はこの考案のオーデイオ信号再生平衡出
力装置の一実施例の回路図、第２図は従来のオー
デイオ信号再生平衡出力装置の回路図である。
１，２１……Ｄ／Ａ変換器、４，２４……コン
デンサ、５，２５，１２，３２……演算増幅器、
６，２６……電流電圧変換回路、９，２９……ア
ナログスイツチ、１３，２３……デイグリツジ回
路、１５……非反転出力端子、１６……反転出力
端子、１８……平衡出力端子。
FIG. 1 is a circuit diagram of an embodiment of the audio signal reproducing balanced output device of this invention, and FIG. 2 is a circuit diagram of a conventional audio signal reproducing balanced output device. 1, 21... D/A converter, 4, 24... Capacitor, 5, 25, 12, 32... Operational amplifier,
6, 26... Current voltage conversion circuit, 9, 29... Analog switch, 13, 23... Day grid circuit, 15... Non-inverting output terminal, 16... Inverting output terminal, 18... Balanced output terminal.
Claims (1)
信号に変換する第１のデイジタル／アナログ変換
器と、この第１のデイジタル／アナログ変換器か
ら出力されるアナログオーデイオ電流信号を電圧
信号に変換する第１の電流電圧変換回路と、この
第１の電流電圧変換回路の出力を上記第１のデイ
ジタル／アナログ変換器からのコントロール信号
に基づきサンプリングしてホールドし、かつグリ
ツジを除去する第１のデイグリツジ回路と、上記
デイジタルオーデイオ信号を反転するインバータ
と、このインバータの出力をアナログ信号に変換
する第２のデイジタル／アナログ変換器と、この
第２のデイジタル／アナログ変換器から出力され
アナログオーデイオ電流信号を電圧信号に変換す
る第２の電流電圧変換回路と、この第２の電流電
圧変換回路の出力を上記第２のデイジタル／アナ
ログ変換器からのコントロール信号によりサンプ
リングしてホールドし、かつグリツジを除去する
第２のデイグリツジ回路と、上記第１のデイグリ
ツジ回路の出力を平滑して非反転出力を取り出す
とともに、上記第２のデイグリツジ回路の出力を
平滑して反転出力を取り出す平衡出力端とからな
るオーデイオ信号再生平衡出力装置。 a first digital/analog converter that converts an audio signal of digital data into an analog signal; and a first current-voltage converter that converts an analog audio current signal output from the first digital/analog converter into a voltage signal. a first day glitch circuit that samples and holds the output of the first current-voltage conversion circuit based on a control signal from the first digital/analog converter and removes glitches; an inverter for inverting the signal; a second digital-to-analog converter for converting the output of the inverter into an analog signal; and a second digital-to-analog converter for converting the analog audio current signal output from the second digital-to-analog converter into a voltage signal. a second day-grid circuit that samples and holds the output of the second current-voltage converter circuit in accordance with a control signal from the second digital/analog converter, and removes glitches; , a balanced output terminal for smoothing the output of the first day-grid circuit to obtain a non-inverted output, and a balanced output terminal for smoothing the output of the second day-grid circuit to obtain an inverted output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11386586U JPS6322651U (en) | 1986-07-24 | 1986-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11386586U JPS6322651U (en) | 1986-07-24 | 1986-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322651U true JPS6322651U (en) | 1988-02-15 |
Family
ID=30996069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11386586U Pending JPS6322651U (en) | 1986-07-24 | 1986-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322651U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178417A (en) * | 1981-04-27 | 1982-11-02 | Hitachi Ltd | Digital to analog converting circuit |
| JPS6139726A (en) * | 1984-07-31 | 1986-02-25 | Nec Corp | Digital-analog converting circuit |
-
1986
- 1986-07-24 JP JP11386586U patent/JPS6322651U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178417A (en) * | 1981-04-27 | 1982-11-02 | Hitachi Ltd | Digital to analog converting circuit |
| JPS6139726A (en) * | 1984-07-31 | 1986-02-25 | Nec Corp | Digital-analog converting circuit |
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