S. Shahramian, M. Holyoak, M. Zierdt, M. Sayginer, J. Weiner, Amit Singh, Y. Baeyens
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An All-Silicon E-Band Backhaul-on-Glass Frequency Division Duplex Module with >24dBm PSAT & 8dB NF
E-Band Backhaul-on-Glass Frequency Division Duplex (FDD) modules combining SiGe BiCMOS transceivers (TRX) and power amplifiers (PA) with glass-integrated RF splitting/combining and diplexing are presented. The TRX ICs operate at 71–76 GHz (Low-Band) and 81–86 GHz (High-Band). The TX PSAT and RX NF of the FDD modules on average measure 24dBm and 8dB across the two operating bands. Each FDD module supports TX constellations up to 1024-QAM (<2% EVM at 15dBm output) and data rates up to 24Gb/s (64-QAM at 20dBm output). Complete FDD measurements mimicking distances from 2km to 20km demonstrate bidirectional constellations up to 256-QAM and data-rates up to 24Gb/s.
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