10W and 30W, 32-37 GHz, Ka-Band GaN MMIC Power Amplifiers on SiC. - Michael Litchfield; Douglas Dugas (BCICTS, 2021)

Reactively Matched 2-18 GHz Broadband GaN-on-SiC MMIC Driver Amplifier. - Matthew L. Speir; Michael Litchfield (BCICTS, 2022)

A 15-24 GHz, 15W Reactively Matched GaN MMIC Power Amplifier. - Michael Litchfield (BCICTS, 2023)

A 4-18 GHz, 35 W GaN MMIC Power Amplifier with Improved Thermal Performance. - Michael Litchfield; Andrew Kingswood (BCICTS, 2023)

Ka-Band, Reactively Matched Non-Uniform Distributed Power Amplifier MMICs in GaN-on-SiC. - Michael Litchfield; Qin Shen-Schultz; Bernard Schmanski (BCICTS, 2024)