Through the analyses on the principle of integrated peakdiscriminator, it is found that the reason of disharmony of discriminator is due to the decrease of the capacity of oscillator.
分析了集成峰值鉴频器的工作原理，得出鉴频中周失谐的原因是内置的配谐瓷管电容容量的衰减。
2
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.