This circuit was found in documentation from the 80s. It is based on unijunction transistors not very common today being synchronized by the 60 Hz power grid.
This circuit can operate with signals up to 60 MHz using the indicated operational. We found it in...
National Semiconductor suggests the figure circuit for stabilizing the peak value of an...
We found this circuit in a 1980 documentation. With basic changes, including transistors that were...