Power supply circuit

Details Power supply circuit Power supply circuit

1984-10-22

1987-05-26

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

323364, 330267, 363 45, H03F 330

Patent

active

046689214

ABSTRACT:
A power supply circuit having rectifiers and selectable first to n-th power supply voltage terminals for supplying various levels of output voltages. Between respective terminals and an earth, first smoothing capacitors (e.g. C.sub.1 -C.sub.4) are connected. Between i-th terminal and (i-1)-th terminal (wherein, 2.ltoreq.i.ltoreq.n), second smoothing capacitors (e.g. C.sub.5, C.sub.6, C.sub.n, C.sub.n-1) are connected. When i-th terminal is selected, not only capacitance of the first smoothing capacitor connected between the i-th terminal and the earth, but also capacitance of the first capacitor connected between the (i-1)-th terminal and the earth and the second capacitor connected between the i-th and (i-1)-th terminals are utilized for smoothing operation.

REFERENCES:
patent: 4445095 (1984-04-01), Carver

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