A Compact Low-loss Magic-T using Microstrip-Slotline Transitions

Kongpop U-yen, Edward J. Wollack, Samuel H. Moseley, John Papapolymerou, Joy Laskar
2007 IEEE MTT-S International Microwave Symposium Digest  
The design of a compact low-loss magic-T is proposed. The planar magic-T incorporates the compact microstrip-slotline tee junction and small microstrip-slotline transition area to reduce slotline radiation. The experimental results show that the magic-T produces broadband in-phase and out-of-phase power combinerldivider responses, has an average in-band insertion loss of 0.3 dB and small in-band phase and amplitude imbalance of less than + 1.6" and ir 0.3 dB, respectively.
doi:10.1109/mwsym.2007.380212 fatcat:woxz2angkjfzzmrijqol7mfsfa