JPS6448922U - - Google Patents
Info
- Publication number
- JPS6448922U JPS6448922U JP14378787U JP14378787U JPS6448922U JP S6448922 U JPS6448922 U JP S6448922U JP 14378787 U JP14378787 U JP 14378787U JP 14378787 U JP14378787 U JP 14378787U JP S6448922 U JPS6448922 U JP S6448922U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- phototransistor
- emitter
- collector
- utility
- 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
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Amplifiers (AREA)
Description
第１図はこの考案の一実施例を示す入力回路の
回路図、第２図は従来の入力回路の回路図、第３
図はノイズの波形図である。
Figure 1 is a circuit diagram of an input circuit showing an embodiment of this invention, Figure 2 is a circuit diagram of a conventional input circuit, and Figure 3 is a circuit diagram of a conventional input circuit.
The figure is a noise waveform diagram.
Claims (1)
とエミツタとの間に、コンデンサを並列接続した
ことを特徴とする絶縁増幅回路。 An isolated amplifier circuit characterized by a capacitor connected in parallel between the collector and emitter of a phototransistor of a photocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14378787U JPS6448922U (en) | 1987-09-22 | 1987-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14378787U JPS6448922U (en) | 1987-09-22 | 1987-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6448922U true JPS6448922U (en) | 1989-03-27 |
Family
ID=31410922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14378787U Pending JPS6448922U (en) | 1987-09-22 | 1987-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6448922U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325465A (en) * | 1976-08-20 | 1978-03-09 | Casio Comput Co Ltd | Small electronic apparatus p rovided with sound producing functions |
-
1987
- 1987-09-22 JP JP14378787U patent/JPS6448922U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325465A (en) * | 1976-08-20 | 1978-03-09 | Casio Comput Co Ltd | Small electronic apparatus p rovided with sound producing functions |