It was found that the squarewave high-voltage amplifier has the shortcomings of high power consumption and strong harmonic disturbance in displacement measurement.
但在应用中发现，方波高压放大器存在功耗高和对位移测量电路干扰大的缺点。
2
The paper presented the theory of sine-wave and square-wave modulated high-voltage amplifier and deduced the formula for calculating its efficiency.
介绍了基于正弦波和方波调制的高压放大器的不同工作原理，并对其出力系数进行了推导。
3
The experimental study for the two forms of high-voltage amplifiers shows that the efficiency of squarewave modulated high-voltage amplifier increases more than 80%.