JPS5469001A - Power supply unit for magnetron - Google Patents

Power supply unit for magnetron

Info

Publication number
JPS5469001A
JPS5469001A JP13605377A JP13605377A JPS5469001A JP S5469001 A JPS5469001 A JP S5469001A JP 13605377 A JP13605377 A JP 13605377A JP 13605377 A JP13605377 A JP 13605377A JP S5469001 A JPS5469001 A JP S5469001A
Authority
JP
Japan
Prior art keywords
winding
current
magnetron
power supply
transformer
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
JP13605377A
Other languages
Japanese (ja)
Inventor
Yoshinosuke Nagata
Kazuyoshi Tsukamoto
Takao Nakatsuka
Kazufumi Ushijima
Tatsuhiro Nagai
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13605377A priority Critical patent/JPS5469001A/en
Publication of JPS5469001A publication Critical patent/JPS5469001A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To secure the constant wave output of the magnetron to the voltage fluctuation of the commercial frequency power supply by giving the intermittent control to the primary winding current of the boosting transformer.
CONSTITUTION: Switching transistor TR7 is connected in series to primary winding 31 of boosting transformer 3, and the current flowing to winding 31 is intermitted by TR7. Thus, the high frequency of the high voltage is obtained at secondary winding 32 of transformer 3, and then the high frequency is rectified (12) to be supplied to magnetron 13. In this case, the current value of winding 31 is detected via current transformer 10, and control circuit 6 controls on/off of TR7 in accordance with the increase/decrease change of the detected current value in order to give the increase/decrease change to the duty cycle for the base current waveform of TR7. As a result, the current of winding 32 becomes constant to the voltage change of the commercial power supply between terminal a and a', and accordingly the wave output can be kept constant for magnetron 13.
COPYRIGHT: (C)1979,JPO&Japio
JP13605377A 1977-11-11 1977-11-11 Power supply unit for magnetron Pending JPS5469001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13605377A JPS5469001A (en) 1977-11-11 1977-11-11 Power supply unit for magnetron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13605377A JPS5469001A (en) 1977-11-11 1977-11-11 Power supply unit for magnetron

Publications (1)

Publication Number Publication Date
JPS5469001A true JPS5469001A (en) 1979-06-02

Family

ID=15166072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13605377A Pending JPS5469001A (en) 1977-11-11 1977-11-11 Power supply unit for magnetron

Country Status (1)

Country Link
JP (1) JPS5469001A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290098A (en) * 1987-04-24 1987-12-16 三菱電機株式会社 Microwave discharge light source
JPS6397910U (en) * 1986-12-17 1988-06-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6397910U (en) * 1986-12-17 1988-06-24
JPS62290098A (en) * 1987-04-24 1987-12-16 三菱電機株式会社 Microwave discharge light source

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