JPS6473908A - Noise filter circuit - Google Patents
Noise filter circuitInfo
- Publication number
- JPS6473908A JPS6473908A JP22981787A JP22981787A JPS6473908A JP S6473908 A JPS6473908 A JP S6473908A JP 22981787 A JP22981787 A JP 22981787A JP 22981787 A JP22981787 A JP 22981787A JP S6473908 A JPS6473908 A JP S6473908A
- Authority
- JP
- Japan
- Prior art keywords
- diode
- series
- filter circuit
- noise filter
- zener
- 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.)
- Granted
Links
Landscapes
- Filters And Equalizers (AREA)
Abstract
PURPOSE:To improve the stability of rejecting pulsive noise by connecting a Zener diode in series with a diode in opposite polarity. CONSTITUTION:1st and 2nd diodes 4, 5 are connected in series with 1st and 2nd Zener diodes 8, 9 respectively in opposite polarity. This connection signifies concretely that the cathode of the diode is connected in series with the cathode of the Zener diode. Both the temperature characteristics of the diode and the Zener diode are canceled together and a breakdown voltage independently of the temperature change is obtained. Thus, the stability of rejecting pulse noise is improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229817A JP2528478B2 (en) | 1987-09-16 | 1987-09-16 | Noise filter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229817A JP2528478B2 (en) | 1987-09-16 | 1987-09-16 | Noise filter circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6473908A true JPS6473908A (en) | 1989-03-20 |
JP2528478B2 JP2528478B2 (en) | 1996-08-28 |
Family
ID=16898134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62229817A Expired - Lifetime JP2528478B2 (en) | 1987-09-16 | 1987-09-16 | Noise filter circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2528478B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7268445B2 (en) | 2004-03-12 | 2007-09-11 | Denso Corporation | Vehicular occupant protection device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542447U (en) * | 1978-09-13 | 1980-03-19 | ||
JPS60238893A (en) * | 1984-05-14 | 1985-11-27 | 日本電信電話株式会社 | Liquid display element driving power source circuit |
-
1987
- 1987-09-16 JP JP62229817A patent/JP2528478B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542447U (en) * | 1978-09-13 | 1980-03-19 | ||
JPS60238893A (en) * | 1984-05-14 | 1985-11-27 | 日本電信電話株式会社 | Liquid display element driving power source circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7268445B2 (en) | 2004-03-12 | 2007-09-11 | Denso Corporation | Vehicular occupant protection device |
Also Published As
Publication number | Publication date |
---|---|
JP2528478B2 (en) | 1996-08-28 |
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