JPS6473908A - Noise filter circuit - Google Patents

Noise filter circuit

Info

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
Application number
JP22981787A
Other languages
Japanese (ja)
Other versions
JP2528478B2 (en
Inventor
Yoshihiro Mochizuki
Masami Nonaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FDK Corp
Original Assignee
FDK Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FDK Corp filed Critical FDK Corp
Priority to JP62229817A priority Critical patent/JP2528478B2/en
Publication of JPS6473908A publication Critical patent/JPS6473908A/en
Application granted granted Critical
Publication of JP2528478B2 publication Critical patent/JP2528478B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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.
JP62229817A 1987-09-16 1987-09-16 Noise filter circuit Expired - Lifetime JP2528478B2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7268445B2 (en) 2004-03-12 2007-09-11 Denso Corporation Vehicular occupant protection device

Citations (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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