A 94GHz 4TX-4RX phased-array for FMCW radar with integrated LO and flip-chip antenna package

A prototype phased-array IC with four transmitters, four receivers, and integrated LO generation was designed and fabricated in a 130nm SiGe BiCMOS technology. Including LO phase shifter power consumption, the transmit array consumes 71mW per element with a per-element output power of +6.4dBm at 94G...

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Main Authors: Townley, Andrew, Swirhun, Paul, Titz, Diane, Bisognin, Aimeric, Gianesello, Frederic, Pilard, Romain, Luxey, Cyril, Niknejad, Ali
Format: Conference Proceeding
Language:English
Subjects:
94GHz
antenna-in-package
Antennas
Arrays
Channels
Integrated circuits
Millimeter-wave radar
Phase shifters
Phased arrays
Power consumption
Radar
Radar antennas
Receivers
Receiving antennas
SiGe BiCMOS
Silicon germanides
Transmitters
Voltage-controlled oscillators
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container_start_page 294
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creator Townley, Andrew
Swirhun, Paul
Titz, Diane
Bisognin, Aimeric
Gianesello, Frederic
Pilard, Romain
Luxey, Cyril
Niknejad, Ali
description A prototype phased-array IC with four transmitters, four receivers, and integrated LO generation was designed and fabricated in a 130nm SiGe BiCMOS technology. Including LO phase shifter power consumption, the transmit array consumes 71mW per element with a per-element output power of +6.4dBm at 94GHz. The receiver array consumes 56mW per element, and achieves an RX element noise figure of 12.5dB at 94GHz. Integrated LO generation includes a 47GHz VCO, 2× frequency multiplier, 94GHz LO buffers, and a 32× CML divider chain. The transceiver has been integrated into a flip chip antenna module with four transmit and four receive antennas, and achieves TX and RX beam steering over a scan angle range of ±20°. Including LO and bias overhead power, the array has improved per-element power consumption compared with state-of-the-art 94GHz arrays, consuming only 106mW per TX channel and 91mW per RX channel, while achieving comparable performance and levels of integration.
doi_str_mv 10.1109/RFIC.2016.7508309
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source IEEE Xplore All Conference Series
subjects 94GHz
antenna-in-package
Antennas
Arrays
Channels
Integrated circuits
Millimeter-wave radar
Phase shifters
Phased arrays
Power consumption
Radar
Radar antennas
Receivers
Receiving antennas
SiGe BiCMOS
Silicon germanides
Transmitters
Voltage-controlled oscillators
title A 94GHz 4TX-4RX phased-array for FMCW radar with integrated LO and flip-chip antenna package
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