The SH23559 from SigaTek is a 180° Hybrid Coupler that operates from 6 to 12.4 GHz. This 3 dB coupler has an insertion loss of less than 1.2 dB and more than 18 dB of isolation. It can handle an average input power of 30 W and a peak input power of 1 kW with a VSWR of less than 1.50:1. This coupler has an amplitude imbalance of than ± 0.7 dB and a phase imbalance of ± 7°. The SH23559 is available as a module that measures 1.7 x 1.5 x .433 inches and has SMA female connectors.
