Found in a 1967 General Electric documentation this circuit uses unijunction transistors that may be equivalent to those indicated. The number of stages can be modified.
This very low frequency amplifier has a gain of 1,000 and was found in a 1967 documentation. The circuit is...
April 2017 - Mouser Electronics has the bq25890H integrated circuit consisting of a single 5 A...
This circuit was obtained in an old US 1974 documentation when Nixie tube displays were common. The...