An 18 GHz 8-way Radial Combiner

This paper describes a 16 to 20 GHz 8-way radial microstrip combiner with transitions to WR42 waveguide. It demonstrates greater than 20% bandwidth and insertion loss of only 0.8 dB. Excellent phase and amplitude balance has been achieved.

[1]  Z. Galani,et al.  A Broadband Planar N-Way Combiner/Divider , 1977, 1977 IEEE MTT-S International Microwave Symposium Digest.