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
Understanding A MOSFET Mixer | Hackaday
Eden 9 - 70MHz receive preamp | BF980 Dual Gate MOSFET. A la… | Flickr
Dual gate MOSFETs in audio path | diyAudio
Dual-Gate MOSFET | How it works, Application & Advantages
Dual Gate MOSFET Breakout Boards / Qty: 3 from Mostly DIY RF on Tindie
RF Mixer / Mezcladores de RF - Littlesoft electronics