Found in a 70s RCA transistor manual, this circuit is recommended for mass-positive cars of the era. The transistor is for general use.
The configuration shown in the figure is a second order filter (12 dB per octave) with an...
This transmitter, indicated for espionage applications, is permanently powered by the power grid....
This circuit was obtained in an old French publication from the 80s. The maximum power of the lamp...