Figure 1 from A 210 GHz Dual-Gate FET Mixer MMIC With ${>}$2 dB Conversion Gain, High LO-to-RF Isolation, and Low LO-Drive Requirements | Semantic Scholar
What is the difference between a dual gate MOSFET and a single gate MOSFET? Why is a dual gate MOSFET used instead of a single gate MOSFET for power switching purposes? -