Hi,
I built the circuit that can detect the peak of the 100KHz , 2 Volts peak to peak sine wave but its not accurate or may be not working right. The problems seem to be choosing the right R and C values. Is there any way that I can do this with out using a Capcitor and a resistor and if not than whats the best possible way to choose the R and C values.
I do require the edge to occur as close as possible to the sine wave positive and negative peaks.
I used Low Pass filter. you can find the diagram of the circuit and the waveform at the following links.
Thanks John