JPH0260336U - - Google Patents
Info
- Publication number
- JPH0260336U JPH0260336U JP13978788U JP13978788U JPH0260336U JP H0260336 U JPH0260336 U JP H0260336U JP 13978788 U JP13978788 U JP 13978788U JP 13978788 U JP13978788 U JP 13978788U JP H0260336 U JPH0260336 U JP H0260336U
- Authority
- JP
- Japan
- Prior art keywords
- digital signal
- coupling means
- signal processing
- signal
- processing 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
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図は本考案になるＡ／Ｄ変換回路の一実施
例とデジタル信号処理回路との接続状態を示すブ
ロツク系統図、第２図は本考案の他の実施例とデ
ジタル信号処理回路との接続状態を示すブロツク
系統図、第３図は従来のＡ／Ｄ変換回路とデジタ
ル信号処理回路との接続状態を示すブロツク系統
図である。
１，１ａ……Ａ／Ｄ変換回路、１ｂ……Ａ／Ｄ
変換部、２，２ａ……制御信号発生器、３，３ａ
……水晶発振器、４，４ａ，６……フオトカプラ
、５……デジタル信号処理回路。
Fig. 1 is a block system diagram showing the connection state between one embodiment of the A/D conversion circuit of the present invention and the digital signal processing circuit, and Fig. 2 shows the connection state of the digital signal processing circuit with another embodiment of the present invention. FIG. 3 is a block system diagram showing the connection state between a conventional A/D conversion circuit and a digital signal processing circuit. 1, 1a...A/D conversion circuit, 1b...A/D
Conversion unit, 2, 2a... Control signal generator, 3, 3a
...Crystal oscillator, 4, 4a, 6... Photocoupler, 5... Digital signal processing circuit.
Claims (1)
電磁的に分離され、入来するアナログ信号を変換
したデジタル信号を、光学的、音波的及び磁気的
結合手段のうちの１つの第１の結合手段を介して
前記デジタル信号処理回路に伝送するＡ／Ｄ変換
回路であつて、 同期基準となる発振子から原信号が供給され、
Ａ／Ｄ変換動作のための制御信号及びデジタル信
号処理動作のための同期信号を生成し、この同期
信号を光学的、音波的及び磁気的結合手段のうち
の１つの第２の結合手段を介して前記デジタル信
号処理回路に伝送する制御信号発生器を設けたこ
とを特徴とするＡ／Ｄ変換回路。[Claims for Utility Model Registration] A digital signal processing circuit is electrically, electrostatically and electromagnetically separated, and converts an incoming analog signal into a digital signal using optical, sonic and magnetic coupling means. an A/D conversion circuit that transmits to the digital signal processing circuit via one of the first coupling means, the original signal being supplied from an oscillator serving as a synchronization reference;
generating a control signal for the A/D conversion operation and a synchronization signal for the digital signal processing operation, and passing the synchronization signal through a second coupling means, one of optical, sonic and magnetic coupling means; An A/D conversion circuit comprising: a control signal generator that transmits a control signal to the digital signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13978788U JPH0260336U (en) | 1988-10-26 | 1988-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13978788U JPH0260336U (en) | 1988-10-26 | 1988-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260336U true JPH0260336U (en) | 1990-05-02 |
Family
ID=31403371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13978788U Pending JPH0260336U (en) | 1988-10-26 | 1988-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260336U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55110428A (en) * | 1979-02-16 | 1980-08-25 | Mitsubishi Electric Corp | Analog signal input unit |
| JPS5966741A (en) * | 1982-10-07 | 1984-04-16 | Omron Tateisi Electronics Co | Analog-digital converter |
-
1988
- 1988-10-26 JP JP13978788U patent/JPH0260336U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55110428A (en) * | 1979-02-16 | 1980-08-25 | Mitsubishi Electric Corp | Analog signal input unit |
| JPS5966741A (en) * | 1982-10-07 | 1984-04-16 | Omron Tateisi Electronics Co | Analog-digital converter |