This circuit for VCR recording heads was found in the February 1990 issue of Radio Electronics magazine. The circuit is use do observe signal in an oscilloscope.
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...