JPS6183357U - - Google Patents
Info
- Publication number
- JPS6183357U JPS6183357U JP16846884U JP16846884U JPS6183357U JP S6183357 U JPS6183357 U JP S6183357U JP 16846884 U JP16846884 U JP 16846884U JP 16846884 U JP16846884 U JP 16846884U JP S6183357 U JPS6183357 U JP S6183357U
- Authority
- JP
- Japan
- Prior art keywords
- drive
- photocoupler
- emitter
- phototransistor
- power supply
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc Digital Transmission (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案に係るインタフエース回路の一
実施例の回路図、第２図は従来のインタフエース
回路の回路図である。
１，４，５，６，７…ホトカプラ、２，３…出
力アンプ、８，９，１０…インバータ。
FIG. 1 is a circuit diagram of an embodiment of an interface circuit according to the present invention, and FIG. 2 is a circuit diagram of a conventional interface circuit. 1, 4, 5, 6, 7...Photocoupler, 2, 3...Output amplifier, 8, 9, 10...Inverter.
Claims (1)
接続しかつエミツタを出力としたホトカプラと、
他方のホトトランジスタのエミツタを負電源に接
続しかつコレクタを出力としたホトカプラとを、
その両出力間どうし接続してなる駆動回路を一対
有し、一方の駆動回路を入力信号の正論理で動作
させ、他方の駆動回路を入力信号の負論理で駆動
し、平衡駆動させるよう構成してなるインタフエ
ース回路。 A photocoupler in which the collector of one phototransistor is connected to a positive power supply and the emitter is an output;
A photocoupler with the emitter of the other phototransistor connected to the negative power supply and the collector output,
It has a pair of drive circuits connected between both outputs, and is configured to operate one drive circuit with the positive logic of the input signal and drive the other drive circuit with the negative logic of the input signal, resulting in balanced drive. interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16846884U JPS6183357U (en) | 1984-11-06 | 1984-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16846884U JPS6183357U (en) | 1984-11-06 | 1984-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6183357U true JPS6183357U (en) | 1986-06-02 |
Family
ID=30726237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16846884U Pending JPS6183357U (en) | 1984-11-06 | 1984-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6183357U (en) |
-
1984
- 1984-11-06 JP JP16846884U patent/JPS6183357U/ja active Pending