Addition:
(a + b) + c = a + (b + c)
Multiplication:
(a x b) x c = a x (b x c)
With the circuit shown in the figure we have a frequency modulation which is produced by a...
This is a circuit found in a 1970's Radio Electronics. The circuit works with virtually any triac...
This circuit was found in a 1970s RCA publication. Transistors support modern equivalent types....