Design and Optimization of 2.1 mW ULP Doherty Power Amplifier with Interstage Capacitances Using 65 nm CMOS Technology

Figure 9

(a) The input return loss (S11). (b) The 1 dB compression point. (c) The DC power consumption of M1 equals 985.1 uW when the input-referred drain current equals 547.5 uA. (d) The DC power consumption of M2 equals 1.194 mW when the input-referred drain current equals 663.5 uA.

(a)

(b)

(c)

(d)