The PPA20 Series from Inmet by Spectrum Control are flanged attenuator that operates from DC to 4 GHz. The attenuators are available with attenuation values from 1 dB to 20 dB and can handle up to 20 W of power. They are matched to 50 Ohms and have a VSWR of 1.5:1. The attenuators are have a BeO substrate, Alumina ceramic cover and Nickel Plated Copper Flanges.
