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JPS547843A - Schmitt trigger circuit - Google Patents

Schmitt trigger circuit

Info

Publication number
JPS547843A
JPS547843A JP7345577A JP7345577A JPS547843A JP S547843 A JPS547843 A JP S547843A JP 7345577 A JP7345577 A JP 7345577A JP 7345577 A JP7345577 A JP 7345577A JP S547843 A JPS547843 A JP S547843A
Authority
JP
Japan
Prior art keywords
trigger circuit
schmitt trigger
emitter
diodes
transistor
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
Application number
JP7345577A
Other languages
Japanese (ja)
Inventor
Masaaki Kanda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7345577A priority Critical patent/JPS547843A/en
Publication of JPS547843A publication Critical patent/JPS547843A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To enable to set the respective input threshold voltage independently and also even to a low level output voltage, by varying the number of diodes D connected to the base or emitter of a transistor Tr.
JP7345577A 1977-06-20 1977-06-20 Schmitt trigger circuit Pending JPS547843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7345577A JPS547843A (en) 1977-06-20 1977-06-20 Schmitt trigger circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7345577A JPS547843A (en) 1977-06-20 1977-06-20 Schmitt trigger circuit

Publications (1)

Publication Number Publication Date
JPS547843A true JPS547843A (en) 1979-01-20

Family

ID=13518720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7345577A Pending JPS547843A (en) 1977-06-20 1977-06-20 Schmitt trigger circuit

Country Status (1)

Country Link
JP (1) JPS547843A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531698U (en) * 1978-08-16 1980-02-29
JPS60118891A (en) * 1983-11-30 1985-06-26 松下電工株式会社 Manufacture of punched panel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531698U (en) * 1978-08-16 1980-02-29
JPS6146096Y2 (en) * 1978-08-16 1986-12-25
JPS60118891A (en) * 1983-11-30 1985-06-26 松下電工株式会社 Manufacture of punched panel
JPH0433606B2 (en) * 1983-11-30 1992-06-03 Matsushita Electric Works Ltd

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