Fig. 4 | npj 2D Materials and Applications

Fig. 4

From: Embedded gate CVD MoS2 microwave FETs

Fig. 4The alt text for this image may have been generated using AI.

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

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