The development of ambipolar power based on one handhold radioactive environmental monitoring instrument

The core apartment of a handhold electric productions designing is the designing of the power. It is a general requirement that the handhold electronic productions can work a long time in field operation, so it calls for the power has the higher conversion efficiency, low power's quiescent dissipation, good load characteristics and small power source ripple. Furthermore, the system has to make weak signal amplified transformed filtered and processed. For reducing the quiescent dissipation of the system, so it is necessary to exist for the ambipolar power. The paper precisely elaborated on development of power, it was used on one handhold radioactive environmental monitoring instrument, this power has a good characteristic, simultaneously has a formidable compatibility, may be suitable for other handhold electronic products. (authors)