G_m-Realization of Controlled-Gain Current Follower Transconductance Amplifier

Figure 6

Proposed CG-CFTA.

(a) Circuit implementation

(b) Internal structure

(c) Simple current mirror used for realizing bias currents 𝐼_𝐵𝑘(𝑘=𝐴,𝐵,𝐶,𝐷)