| 摘要 |
PURPOSE:To reduce a burden of a capacitor for smoothing connected to a rectifying circuit, heighten reliability and miniaturize a device by a mechanism wherein the device is formed in a complementary shape by using two choke coils. CONSTITUTION:Transistors 13, 13' are alternately conducted by complementary high-frequency output signals from a voltage controlling type oscillation circuit 15, and currents shown in wave-forms A, B flow through each transistor. On the other hand, currents Id, Id' shown in a wave-form C in case of the nonconduction of the transistors flow through a pectifying circuit by choke coils 20, 20' and the polarity of diodes 16, 16'. Average DC currents Idc shown in an alternate long and short dash supplied to load. Thus, the ripples of the charging and discharging currents of a capacitor 17 for smoothing are reduced as the hunting portions of the wave-form C, a burden of the capacitor for smoothing is lightened, and reliability as a power source bank is improved while a device can be miniaturized. |
