Abstract:According to the characteristic of piezoelectric platform with two drive foot, the corresponding driver circuit is designed in this paper. This circuit is a controlled voltage source with the features of 90 degree signal delay, low frequency linear amplification and good linearity.The driving signals with continuously adjustabgle frequency and amplitude and the corresponding bias signals are produced by the PsoC3, then the signal process and the voltage and power amplification are realized by the hardware circuit, the voltage amplification is in the range of 0220 V.The circuit can achieve a wider range of output voltage by the displacement of higher performance of field effect tube.The hardware circuit is consits of the signal processing part and the power amplification part. The signal processing part is mainly for frequency division and signal bias,while the power amplifier section is designed for voltage amplifier and power output. In view of the triode amplifier as working parameters of the distribution, the voltage follower is used to realize the waveform antisymmetric modification and following.The set collector is used to amplify the voltage, and the output of the circuit has certain resistance. Considering the large capacitive characteristics of the electric pile, the circuit is only applicable to low frequency output.