JPS5658319A - Astable multivibrator circuit - Google Patents

Astable multivibrator circuit

Info

Publication number
JPS5658319A
JPS5658319A JP13459779A JP13459779A JPS5658319A JP S5658319 A JPS5658319 A JP S5658319A JP 13459779 A JP13459779 A JP 13459779A JP 13459779 A JP13459779 A JP 13459779A JP S5658319 A JPS5658319 A JP S5658319A
Authority
JP
Japan
Prior art keywords
fet2
resistance
capacitor
fet1
cut
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
JP13459779A
Other languages
Japanese (ja)
Inventor
Toshiichi Hayashi
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.)
Panasonic Ecology Systems Co Ltd
Original Assignee
Matsushita Seiko 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 Matsushita Seiko Co Ltd filed Critical Matsushita Seiko Co Ltd
Priority to JP13459779A priority Critical patent/JPS5658319A/en
Publication of JPS5658319A publication Critical patent/JPS5658319A/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
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/354—Astable circuits

Landscapes

  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To ensure the start of oscillation by lowering the drain resistance at the initial stage of voltage application, by connecting a series circuit of a capacitor and a resistance in parallel with the drain resistance. CONSTITUTION:With FET1 on and FET2 in cut-off, the discharge of a capactor 5 for time constant is advanced, and when the gate voltage of the FET2 is at a pinch-off voltage or less, positive feedback is rapidly made, causing FET1 to be cut off and FET2 to be on. Thus, the electric charges in a capacitor 10 are almost discharged through resistances 9, 3, and electric charges are given to the capacitor 5 for time constant through the resistance 3.
JP13459779A 1979-10-17 1979-10-17 Astable multivibrator circuit Pending JPS5658319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13459779A JPS5658319A (en) 1979-10-17 1979-10-17 Astable multivibrator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13459779A JPS5658319A (en) 1979-10-17 1979-10-17 Astable multivibrator circuit

Publications (1)

Publication Number Publication Date
JPS5658319A true JPS5658319A (en) 1981-05-21

Family

ID=15132102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13459779A Pending JPS5658319A (en) 1979-10-17 1979-10-17 Astable multivibrator circuit

Country Status (1)

Country Link
JP (1) JPS5658319A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006222487A (en) * 2005-02-08 2006-08-24 New Japan Radio Co Ltd Multivibrator circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006222487A (en) * 2005-02-08 2006-08-24 New Japan Radio Co Ltd Multivibrator circuit

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