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JPS5670269A - Transistorized drive circuit - Google Patents

Transistorized drive circuit

Info

Publication number
JPS5670269A
JPS5670269A JP14754979A JP14754979A JPS5670269A JP S5670269 A JPS5670269 A JP S5670269A JP 14754979 A JP14754979 A JP 14754979A JP 14754979 A JP14754979 A JP 14754979A JP S5670269 A JPS5670269 A JP S5670269A
Authority
JP
Japan
Prior art keywords
transistor
winding
transformer
drive circuit
transistors
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
JP14754979A
Other languages
Japanese (ja)
Inventor
Michio Kono
Koji Kuwabara
Eiji Miyachika
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14754979A priority Critical patent/JPS5670269A/en
Publication of JPS5670269A publication Critical patent/JPS5670269A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To improve efficiency with a simple construction, by providing of/off control of switching transistors through a transformer which is on/off controlled by transistors of a drive circuit.
CONSTITUTION: As switches S1, S2 are synchronously closed, a transistor TR2 is off and the third winding N3 conducts with a current from a power source VD. At this moment a current through the second winding N2 conducts a transistor TR1. When the switch S2 is turned off, a base current flows in the transistor TR2 to conduct it. Then the third winding N3 is shortcircuited to turn off the transistor TR1. The on/off control of transistors TR1, TR2 turns on or off the winding N1WN3 of a transformer T, thus energy accumulated in the core of transformer T is kept at an appropriate level.
COPYRIGHT: (C)1981,JPO&Japio
JP14754979A 1979-11-14 1979-11-14 Transistorized drive circuit Pending JPS5670269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14754979A JPS5670269A (en) 1979-11-14 1979-11-14 Transistorized drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14754979A JPS5670269A (en) 1979-11-14 1979-11-14 Transistorized drive circuit

Publications (1)

Publication Number Publication Date
JPS5670269A true JPS5670269A (en) 1981-06-12

Family

ID=15432828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14754979A Pending JPS5670269A (en) 1979-11-14 1979-11-14 Transistorized drive circuit

Country Status (1)

Country Link
JP (1) JPS5670269A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107632A (en) * 1982-12-10 1984-06-21 Matsushita Electric Ind Co Ltd Driving circuit of switching transistor
JPS60264120A (en) * 1984-06-12 1985-12-27 Origin Electric Co Ltd Drive circuit for semiconductor switching element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54109124A (en) * 1978-02-15 1979-08-27 Mitsubishi Electric Corp Transistor drive circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54109124A (en) * 1978-02-15 1979-08-27 Mitsubishi Electric Corp Transistor drive circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107632A (en) * 1982-12-10 1984-06-21 Matsushita Electric Ind Co Ltd Driving circuit of switching transistor
JPS60264120A (en) * 1984-06-12 1985-12-27 Origin Electric Co Ltd Drive circuit for semiconductor switching element

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