An apparatus for electrically stimulating a smart material includes a controllable power source for charging the smart material and/or switching circuitry for discharging the smart material. The controllable power source includes a regulated DC to DC converter having controllable drive circuitry associated therewith. The drive circuitry can be self-oscillating through associated feedback means. The switching circuitry can be responsive to one or more control signals.

 
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< Image input apparatus operable under low power consumption without employing buffer memory

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> Soft switching interleaved power converter

> DC-DC converter control circuit and DC-DC converter

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