CA987394A - Noise inhibit circuit - Google Patents

Noise inhibit circuit

Info

Publication number
CA987394A
CA987394A CA131,652A CA131652A CA987394A CA 987394 A CA987394 A CA 987394A CA 131652 A CA131652 A CA 131652A CA 987394 A CA987394 A CA 987394A
Authority
CA
Canada
Prior art keywords
scr
capacitor
resistor
gate
control signal
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.)
Expired
Application number
CA131,652A
Other versions
CA131652S (en
Inventor
Dennis J. Wilwerding
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of CA987394A publication Critical patent/CA987394A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region

Abstract

A capacitor couples a control signal bus to the gate terminal of a Silicon Controlled Rectifier (SCR). A resistor connects the gate and cathode terminals of the SCR. The cathode terminal of the SCR is connected to a control signal reference bus. A decreasing voltage appearing on the signal line causes a current to flow through the resistor and charge the capacitor. The polarity of the resulting voltage across the resistor and thereby applied between the gate and cathode terminals of the SCR, acts to inhibit noise signals from falsely triggering the SCR while the capacitor is being charged.
CA131,652A 1971-01-22 1972-01-04 Noise inhibit circuit Expired CA987394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10887971A 1971-01-22 1971-01-22

Publications (1)

Publication Number Publication Date
CA987394A true CA987394A (en) 1976-04-13

Family

ID=22324595

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,652A Expired CA987394A (en) 1971-01-22 1972-01-04 Noise inhibit circuit

Country Status (3)

Country Link
JP (1) JPS4715633A (en)
CA (1) CA987394A (en)
DE (1) DE2202749A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150261A (en) * 1975-06-18 1976-12-23 Hitachi Ltd Pnpn switch driving system
EP0337193A1 (en) * 1988-04-11 1989-10-18 Siemens Aktiengesellschaft Protection circuit for a gate turn off thyristor

Also Published As

Publication number Publication date
DE2202749A1 (en) 1972-07-27
JPS4715633A (en) 1972-08-24

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