Review Article

Recent Advances on the Design of High-Gain Wideband Operational Transconductance Amplifiers

Figure 3

Typical root locus for a system with two poles and 1 zero: (a) zero is located at high frequencies, and (b) zero is located between the poles. In both cases the dominant pole is terminated by the zero.
323595.fig.003a
(a)
323595.fig.003b
(b)