Power supply for a microwave range

Details Power supply for a microwave range Power supply for a microwave range

1992-09-21

1994-10-11

Leung, Philip H.

Electric heating

Microwave heating

With control system

219716, 363 21, H05B 668

Patent

active

053549724

ABSTRACT:
A power supply for a microwave range, which can control its own output voltage over a wide range of voltages by utilizing a voltage driving type switching element, and which includes a first transformer for driving a DC voltage, a switching element for driving the first transformer, a controller for supplying a switching signal which is pulse-width-modulated to the switching element, and a second transformer for transmitting the switching signal from the controller to the switching element. A buffer is coupled between the second transformer and the switching element for generating an amplified buffered switching signal, which maintains a constant DC voltage level and swing width so as to correctly drive the switching element.

REFERENCES:
patent: 4389702 (1983-06-01), Clemente et al.
patent: 4412347 (1983-10-01), Lipcon
patent: 4481565 (1984-11-01), Colton
patent: 4495555 (1985-01-01), Zikelboom
patent: 4812960 (1989-03-01), Sakamoto et al.
patent: 4903183 (1990-02-01), Noguchi et al.
patent: 4933830 (1990-06-01), Sato et al.
patent: 5146396 (1992-09-01), Eng et al.

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