The new system consists of a single-chip computer system (AT89C51+PSD311) and alow power consumed analyzer by applying a new ADC chip ADS774, and a dead-time correcting circuit is designed to correct the collecting time.

• 本系统由单片微机系统(AT89C51+PSD311)组成多道缓存，由低功耗模数转换器组成分析器，与微型计算机通过打印并行接口实现数据通讯，并含有死时间校正电路。