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44 GHz waveguide-based power amplifier module using double antipodal finline transitions

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5 Author(s)
Jeong, J. ; Sch. of Electr. Eng., Seoul Nat. Univ., South Korea ; Kwon, Y. ; Deakin, D.S. ; Hong, J.H.
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A 44 GHz waveguide-based power amplifier module was developed using the double antipodal-finline transitions which also serve as a power combiner. The measured insertion loss of the proposed combiner was ~0.9 dB per transition around 44 GHz. The fabricated power amplifier module combining two 0.93 W monolithic microwave integrated circuit power amplifiers showed a saturated output power of 1.4 W with a high combining efficiency of 75% at 44 GHz

Published in:

Electronics Letters  (Volume:38 ,  Issue: 3 )