The FHC09096 from Knowles Corporation is a Quadrature Hybrid Coupler that operates from 4 to 8 GHz. This 3dB coupler has an isolation of more than 17.5 dB and an insertion loss of less than 1 dB. It can handle an input power (CW) of 50 W and has a return loss of 17.5 dB. This coupler provides an amplitude balance of ±1 dB and a phase balance of ±3°.
This RoHS-compliant coupler is available in a surface-mount package that measures 0.300 x 0.150 x 0.010 inches. It can operate over a temperature range of -55 to +125°C.
