combining of two Power amplifiers in ADS

  1. Chandana89
    Hi ALL,

    I want to combine two CGHV59350 GaN devices in ADS using 90 Degree Hybrid at 5.6 GHz. The simulation is done for single device and simulated results are as expected. 90 Degree hybrid also works fine. The problem arises when I use this hybrid for combining . The output is 2.5 dB less them expected .has anyone done simulation for combining two PA using 90 deg hybrid or 2 way WP
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