JPS554103A - Schmitt circuit - Google Patents

Schmitt circuit

Info

Publication number
JPS554103A
JPS554103A JP7627478A JP7627478A JPS554103A JP S554103 A JPS554103 A JP S554103A JP 7627478 A JP7627478 A JP 7627478A JP 7627478 A JP7627478 A JP 7627478A JP S554103 A JPS554103 A JP S554103A
Authority
JP
Japan
Prior art keywords
type
threshold level
schmitt circuit
vtp
vtn
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
JP7627478A
Other languages
Japanese (ja)
Inventor
Mitsuo Isobe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7627478A priority Critical patent/JPS554103A/en
Publication of JPS554103A publication Critical patent/JPS554103A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying
    • H03K5/023—Shaping pulses by amplifying using field effect transistors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)

Abstract

PURPOSE:To obtain a Schmitt circuit whose threshold level can easily be set and which is tolerant of noises, by combining together enhancement (E) type p-channel MOSFET and E type n-channel MOSFET. CONSTITUTION:Between E type p MOSFETQ31 with a threshold level of VTP (negative) and E type n MOSFETQ32 with a threshold level of VTN (positive), both sources are connected to the output terminal and both gates are also connected for the input terminal while the drains of FETs Q32 and Q31 are connected to positive power supply VDD and earth potential VSS respectively. As for the Schmitt circuit of the above-mentioned constitution, the input-output characteristics have hysteresis and the threshold voltage depends upon only the threshold levels of FETs Q31 and Q32 and can therefore be set easily. Further, the output voltage is fixed between VDD-VTN and ¦VTP¦, so that a signal even with a large noise can be transmitted accurately.
JP7627478A 1978-06-23 1978-06-23 Schmitt circuit Pending JPS554103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7627478A JPS554103A (en) 1978-06-23 1978-06-23 Schmitt circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7627478A JPS554103A (en) 1978-06-23 1978-06-23 Schmitt circuit

Publications (1)

Publication Number Publication Date
JPS554103A true JPS554103A (en) 1980-01-12

Family

ID=13600667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7627478A Pending JPS554103A (en) 1978-06-23 1978-06-23 Schmitt circuit

Country Status (1)

Country Link
JP (1) JPS554103A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090434A (en) * 1983-10-24 1985-05-21 Pioneer Electronic Corp On-vehicle radio and audio device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090434A (en) * 1983-10-24 1985-05-21 Pioneer Electronic Corp On-vehicle radio and audio device

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