10-16GHz Medium Power Amplifier GaAs Monolithic Microwave IC. The CHA5266-99F is a three stage monolithic GaAs Medium Power Amplifier that produces 23dB linear gain and 36dBm OIP3. It is designed for a wide range of applications, from military to commercial communication systems. The circuit is manufactured with a pHEMT process, 0.25um gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is available in chip form.