This circuit is from 1964 documentation but can be easily implemented based on current components. Input waveforms and detection are shown next to the diagram.
This circuit was found in a 1980s US publication. There may be some difficulty in obtaining the...
May 2017 - The new 36V TLVx171 Series of General Purpose Operational Amplifiers from Texas...
We found this circuit in a Popular Electronics of the 80's. The circuit can be used to drive...