Digital Circuits: Diodes to Counters

Diode—Simplest nonlinear device

Full Wave Rectifier – Convert AC to DC

Transistor: A diode + Current Controlled Current Source

if

β if

Diode OR gate And gate

Transistor Logic

Different Logic Gates

Flip Flops

J-K Flip Flop

Binary Ripple Counter

HC74192 Counter

555 Timer – the HeartBeat!