The principle of sub-threshold MOS peakdetector is stated and the circuit is implemented.
先介绍了亚阈值MOS管峰值检测器的工作原理，并进行了电路实现。
2
Peakdetector circuit is a fast adaptive detector circuit, and the limiting amplifier involves two stage differential amplifiers.
峰值检波采用自适应检波电路，限幅放大器采用两级差分放大器构成。
3
At high frequency band, the frequency response error of a peakdetector is the high frequency resonance error mainly produced by the distributive parameter.