Hello I have a question regarding JFET configurations,
in JFET Fixed Biased Configuration when we find Zo , we set Vi=0 so Vgs and gmVgs equals to '0'.
While in Self-Bias configuration when we set Vi=0 in order to find Zo , why gmVgs is not open circuited like Fixed Bias ??
in JFET Fixed Biased Configuration when we find Zo , we set Vi=0 so Vgs and gmVgs equals to '0'.
While in Self-Bias configuration when we set Vi=0 in order to find Zo , why gmVgs is not open circuited like Fixed Bias ??