It is a 13.8 V x 10 A regulator obtained in a 2008 documentation. The 2N3055 transistors must be mounted in excellent heat sinks and the voltage is adjusted in the trimpot.
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...