Addition:
(a + b) + c = a + (b + c)
Multiplication:
(a x b) x c = a x (b x c)
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...
