The DA6-90 from Weinschel Associates is a digital variable attenuator that operates from DC to 6 GHz. It has an attenuation range of 90 dB with a 0.5 dB step resolution and an insertion loss of under 13 dB. This bidirectional attenuator can handle up to 22 dBm of power and has a switching speed of 100 ns. It is available in MIL-STD-348A package with SMA stainless steel connectors and is powered and controlled via USB.
