demodb
Member level 4
input impedance
hello,
how would you determine Rin of this part of the circuit. I thought we could approximate this by β/gm. This gm is approx. by 40*Ic, but these numbers do not match my simulations. What am i doing wrong.
hello,
how would you determine Rin of this part of the circuit. I thought we could approximate this by β/gm. This gm is approx. by 40*Ic, but these numbers do not match my simulations. What am i doing wrong.