Fig. 4

MoS2 RF Amplifier a Circuit schematic for a MoS2 GHz cascode amplifier. An input match network is used match to the 50 Ω source impedance. An output match network improves gain and bandwidth. The DC bias is not shown but can be provided by inductors connected to ground. b The input match return loss, S11, and the output gain, S21, vs. frequency. We see a gain greater than 15 dB at 1.2 GHz with a bandwidth of about 200 MHz and an input return loss better than 10 dB. c Input and output isolation vs. frequency. The cascode topology allows better than 20 dB of isolation as it mitigates the Miller effect