A 100W W-Band GaN SSPA

We present a compact W-band pulsed solid-state amplifier (SSPA) with WR-10 interfaces that delivers record solid-state output power of 100W, which is >2x previously published waveguide combined W-band SSPAs. The SSPA leverages W-band Gallium Nitride (GaN) monolithic microwave integrated circuits (MMICs) and low-loss split-waveguide power combining. The amplifier utilizes an innovative modular approach to power combine 168 high performance GaN MMIC power amplifiers. The SSPA is only 6.125”x6.125”x4.00” in size and weighs 10.48 lbs. This stand-alone SSPA also includes integrated power conversion and pulse modulation circuitry.