Question

Hi,

I need to design a circuit which gives positive half cycle of sine wave when logic 1 is given as input and negative cycle of sine wave when logic 0 is input. Please let me know how to design the same using cadence.

Answer 1

Do you want the negative cycle of the sine wave to be a negative voltage? Or do you want the circuit to always output a positive voltage?

Answer 2

I want -ve cycle for -ve voltage.

Answer 3

Try using two SCR (silicon controlled rectifiers)

Answer 4

use 2 SCR....
SCR 1 will be target of logic 1....forward biased in sine positive...
SCR 2 will be target of INVERT logic 1 .... reverse biased in sine negative....