JPS647438U - - Google Patents
Info
- Publication number
- JPS647438U JPS647438U JP10255487U JP10255487U JPS647438U JP S647438 U JPS647438 U JP S647438U JP 10255487 U JP10255487 U JP 10255487U JP 10255487 U JP10255487 U JP 10255487U JP S647438 U JPS647438 U JP S647438U
- Authority
- JP
- Japan
- Prior art keywords
- output
- converter
- flop
- pass filter
- type flip
- 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 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案のデジタル―アナログ変換回路
の実施例、第２図はステレオ左右信号回路に各１
個のＤＡ変換器を用いた従来のデジタル―アナロ
グ変換回路、第３図は平衡出力回路とするための
従来のデジタル―アナログ変換路、第４図はＤ型
フリツプフロツプの入出力信号の説明図である。
２１……Ｄ型フリツプフロツプ、２４……第１
のＤＡ変換器、２５……第２のＤＡ変換器、２８
……第１のローパスフイルタ、２９……第２のロ
ーパスフイルタ、３０……左ホツト端子、３１…
…左コールド端子、２３……ビツトクロツク入力
端子、３２……ワードクロツク入力端子。
Figure 1 shows an example of the digital-to-analog conversion circuit of the present invention, and Figure 2 shows one each for stereo left and right signal circuits.
A conventional digital-to-analog conversion circuit using two DA converters, FIG. 3 is a conventional digital-to-analog conversion path for creating a balanced output circuit, and FIG. 4 is an explanatory diagram of input and output signals of a D-type flip-flop. be. 21...D-type flip-flop, 24...1st
DA converter, 25... second DA converter, 28
...First low-pass filter, 29... Second low-pass filter, 30... Left hot terminal, 31...
...Left cold terminal, 23...Bit clock input terminal, 32...Word clock input terminal.
Claims (1)
型フリツプフロツプと、 ｂ 前記Ｄ型フリツプフロツプのＱ出力を入力す
る第１のＤＡ変換器と、 ｃ 前記Ｄ型フリツプフロツプの出力を入力す
る第２のＤＡ変換器と、 ｄ 前記第１のＤＡ変換器の出力を入力する第１
のローパスフイルタと、 ｅ 前記第２のＤＡ変化器の出力を入力する第２
のローパスフイルタと、 ｆ 前記第１のローパスフイルタの出力に接続さ
れたホツト端子と、 ｇ 前記第２のローパスフイルタの出力に接続さ
れたコールド端子、 とより成り、ビツトクロツクを前記Ｄ型フリツプ
フロツプおよび前記第１と第２のＤＡ変換器に加
え、ワードクロツクを前記第１と第２のＤＡ変換
器に加えることを特徴とするデジタル―アナログ
変換回路。[Scope of claims for utility model registration] a. D having a D terminal into which a digital signal is input;
b) a first DA converter that inputs the Q output of the D-type flip-flop; c) a second DA converter that inputs the output of the D-type flip-flop; d) of the first DA converter. The first to input the output
e a second DA changer inputting the output of the second DA changer;
f a hot terminal connected to the output of the first low-pass filter; g a cold terminal connected to the output of the second low-pass filter; A digital-to-analog conversion circuit characterized in that, in addition to first and second DA converters, a word clock is added to the first and second DA converters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10255487U JPS647438U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10255487U JPS647438U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647438U true JPS647438U (en) | 1989-01-17 |
Family
ID=31332566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10255487U Pending JPS647438U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647438U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158006A (en) * | 1982-03-12 | 1983-09-20 | Pioneer Electronic Corp | D/a converter |
| JPS58162141A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Digital decoder |
| JPS61242119A (en) * | 1985-04-18 | 1986-10-28 | Nec Ic Microcomput Syst Ltd | Digital-to-analog converter |
-
1987
- 1987-07-03 JP JP10255487U patent/JPS647438U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158006A (en) * | 1982-03-12 | 1983-09-20 | Pioneer Electronic Corp | D/a converter |
| JPS58162141A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Digital decoder |
| JPS61242119A (en) * | 1985-04-18 | 1986-10-28 | Nec Ic Microcomput Syst Ltd | Digital-to-analog converter |
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