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A millimeter-wave quasi-optical amplifier array using inclined-plane horn antennas

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4 Author(s)
Saavedra, C.E. ; Sch. of Electr. Eng., Cornell Univ., Ithaca, NY, USA ; Wright, W. ; Hur, K.Y. ; Compton, R.C.

A novel millimeter-wave quasi-optical amplifier array architecture is presented. The amplifier array consists of a horn antenna that tapers down to a parallel-plate waveguide. Stacked between the parallel-plates is a microstrip power divider circuit which feeds the active elements. At the output there is a similar power-combining circuit and transition to free space. Measurements on the active array show a maximum gain of 7.25 dB at 43.25 GHz and a bandwidth of 5.75 GHz

Published in:

Microwave and Guided Wave Letters, IEEE  (Volume:8 ,  Issue: 2 )