The XMC0812F1-03G from TTM Technologies is a 90 Degree Hybrid Coupler that operates from 8 to 12 GHz. This 3 dB hybrid coupler has an insertion loss of less than 0.5 dB and an isolation of more than 20 dB. It can handle an input power of up to 50 W and has a VSWR of less than 1.28:1. It has an amplitude balance of 0.5 dB and a phase balance of less than + 5 degrees.
The XMC0812F1-03G is available in a surface mount package that measures 0.2 x 0.125 x 0.53 inches. It is designed particularly for use in medium power X-Band COTS Mil-Aero applications.