Broadband/high crest factor RMS DC converter electronic circuit diagram

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Broadband/high crest factor RMS DC converter electronic circuit

The figure shows the electronic circuit diagram of the broadband/high crest factor RMS DC converter. This circuit places the mode of operation in the "RMS + DC" position. Enter the DC voltage until the output is the same as the input. Check the input +10V condition and the output error is within 5mV. Maintain its accuracy in the range of 60Hz~100kHz. When the frequency is 1MHz, the accuracy should be higher than 0.5%. The input impedance is approximately 10 kΩ, and in order to achieve a higher input main resistance, the "operating mode" switch and the input coupling element should be removed.