This optical tachometer with LASCR was found in a 1965 General Electric documentation. The diode at the input is an unusual type today.
This circuit, found in a 1958 magazine, is for reference only, since the components are not easy...
Found in an Electronic Design of the 90's, this circuit provides an additional 12 V output to a 5...
This circuit is from the National Semiconductor FET Databook. It is possible to shift the phase of a...