Transition Frequencies and Negative Resistance of Inductively Terminated CMOS Buffer Cell and Application in MMW LC VCO
Figure 2
A small signal lumped RF model of the proposed negative resistance source follower buffer cell, (b)–(e) its subsequent transformations (neglecting the small resistances and ) leading to the final lumped model in (f) to find and (g) NMOS cross-section showing the interlaced location of the distributed source resistance with respect to and .