This circuit is indicated for supplying the CB17495E transmitter. The BD135 must have a small heat radiator and the zener may eventually have a higher voltage.
This 6-transistor transistor radio was manufactured in Japan in the 1960s. It is a portable...
The figure shows how to generate excellent quality sinusoidal signals using the XR2206. The...
This circuit found in an American documentation from 1964, alters the duration of a pulse and can...