真有效值转换 应用指南 第2版作者：Charles Kitchin、 Lew Counts-FEATURES High Accuracy 0.02 Max Nonlinearity, 0 V to 2 V RMS Input 0.10 Additional Error to Crest Factor of 3 Wide Bandwidth 8 MHz at 2 V RMS Input 600 kHz at 100 mV RMS Computes: Tr