Addition:
(a + b) = (b + a)
Multiplication:
a x b = b x a
This two-transistor circuit was found in a 1969 US documentation. Modern equivalent transistors can...
A touch in this circuit turns-on the lamp or the relay. Power supply is according the lamp or...
Using germanium transistors, this amplifier provides a 540mW output power when powered by 9V. We...
