The FPC07181 from Knowles is a Wideband Directional Coupler that operates from 20 to 40 GHz. It has a coupling value of 18.5 to 21.5 dB, an insertion loss of less than 0.3 dB and directivity of over 14 dB. The coupler is available in a surface-mount package that measures 1.651 x 1.27 x 0.254 mm and is available in Symmetrical and Asymmetrical versions.
