The D4C4080Y from DiTom Microwave is a Cryogenic Circulator that operates from 4 to 8 GHz. It can handle an average forward input power of up to 20 W and a peak forward power of 30 W. This circulator provides more than 16 dB of isolation and has an insertion loss of less than 0.8 dB. It is available in a module that measures 2.0 x 1.0 x 0.5 inches and has SMA (male/female) connectors. It can operate at temperatures below 77 K (-196.15°C).
