paper 150204210945

Abstract

In this work, a 40 dB high-gain amplifier module has been presented for millimeter wave applications. Two amplifiers are integrated into the single module case by inserting a WR22 waveguide between them in the module case, in order to suppress oscillation. The high- gain amplifier module consists of two amplifiers and four WR22-to-microstrip line transitions which were fabricated on 5 mil thick RT5880 substrate. The transition loss of −0.44 dB per a transition was achieved from 35 to 50 GHz. The module showed the higher gain than 39.7 dB from 38 to 41 GHz. At 38.7 GHz, the maximum gain of 44.25 dB was obtained.

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Young Chul Lee

Zulkifli Bin Ambak

Amran Bin Hj Naemat