In the figure we have a circuit that uses unusual components, being indicated for low frequency applications. The circuit signal is generated by a unijunction transistor that oscillates at 8 kHz.
We found this circuit in an old English publication. The resistor not indicated can be 2k2 and the...
This sophisticated transistorized motor control appeared in the April 1952 Radio Electronics...
A double relay reed is used to obtain the latched drive in this 1980 configuration. The circuit can...