AVA-183P+ Monolithic Amplifier Mini-Circuits AVA-183P+ Monolithic Amplifier is an InGaAs (indium gallium arsenide) E-PHEMT (Enhancement Pseudomorphic High-Electron-Mobility Transistor) with an ultra-wideband 0.5GHz to 18.0GHz frequency range. Mini-Circuits AVA-183P+ operates on a single 5V supply, is well matched for 50Ω, and comes in a tiny, 3mm2 low-profile package, accommodating dense circuit board layouts.