This circuit that appears in other points of this section and on this website serves to activate a lamp in the event of a power failure. This version is from 1967 documentation by General Electric.
We found this circuit in a 2002 documentation. The frequency of each note is determined by the...
We found this amplifier with high input impedance and low capacitance, using FET, in a...
This 4.5 MHz amplifier is suitable for analog TV applications. We found it in a 1967 Philips...