JPH0181578U - - Google Patents
Info
- Publication number
- JPH0181578U JPH0181578U JP1987177022U JP17702287U JPH0181578U JP H0181578 U JPH0181578 U JP H0181578U JP 1987177022 U JP1987177022 U JP 1987177022U JP 17702287 U JP17702287 U JP 17702287U JP H0181578 U JPH0181578 U JP H0181578U
- Authority
- JP
- Japan
- Prior art keywords
- thyristor
- resistor
- series
- power source
- detection 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案による電源のノイズ検出装置の
一実施例を示す結線図、第２図は第１図の動作を
示すタイムチヤートである。
１：ノイズ検出回路、２：表示回路、３：直流
電源、４：ツエナダイオード、５：抵抗、８：発
光ダイオード、９：サイリスタ。
FIG. 1 is a wiring diagram showing an embodiment of a power supply noise detection device according to the present invention, and FIG. 2 is a time chart showing the operation of FIG. 1. 1: Noise detection circuit, 2: Display circuit, 3: DC power supply, 4: Zener diode, 5: Resistor, 8: Light emitting diode, 9: Thyristor.
Claims (1)
直流電源の電圧より僅かに高いツエナ電圧を有す
るツエナダイオードに抵抗を直列に接続したノイ
ズ検出回路と、このノイズ検出回路と並列に接続
され、発光ダイオードとサイリスタとの直列接続
よりなり、このサイリスタのゲートが前記ツエナ
ダイオードと抵抗との間に接続された表示回路と
を備えていることを特徴とする電源のノイズ検出
装置。 A noise detection circuit is connected to a DC power source whose noise is to be detected, and has a Zener diode having a Zener voltage slightly higher than the voltage of the DC power source, and a resistor connected in series, and a light emitting diode connected in parallel with this noise detection circuit. and a thyristor connected in series, and a display circuit in which the gate of the thyristor is connected between the Zener diode and the resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177022U JPH0181578U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177022U JPH0181578U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181578U true JPH0181578U (en) | 1989-05-31 |
Family
ID=31468711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177022U Pending JPH0181578U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181578U (en) |
-
1987
- 1987-11-19 JP JP1987177022U patent/JPH0181578U/ja active Pending
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