Re: negative propagation delay,tphl,tplh
Hi dear Erikl,
today,I got something. When amplitude of Vin(DC voltage of pmos source and high voltage of inverter output) is equal to V(g1), the answer is positive. Because of the middle voltage for both vin and v(g1) is equal. But vin differs from 1.4v to 2v, each voltage in this range except of Vin=V(g1) has negative propagation delay. I think my circuit is true and negative propagation is cause because v(d1)/2 isn't equal to v(g1)/2 or Vin/2 isn't equal to v(g1)/2. Is my thought true?
Thanks dear Erikle,
Ebi