The AM2005 from Atlanta Micro is a 5-Bit Digital Attenuator that operates from DC to 20 GHz. It has an attenuation range of 31 dB and a step size of 1 dB. This device provides low insertion loss, flat frequency response, and low attenuation error over the operating temperature range of -40C to +85C. It is available in a 4 x 4 mm QFN package.