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December 2023

A 223–276-GHz Cascadable FMCW Transceiver in 130-nm SiGe BiCMOS for Scalable MIMO Radar Arrays

by Esref Turkmen

Device Monostatic frequency modulated continuous wave (FMCW) radar transceiver front end on a 2.7 mm2 130 nM SiGe BiCMOS chip.

Spectrum 223 – 276 GHz

Novelty The cascadable injection-locking feedthrough technique makes the TRX suitable for massive MIMO antenna arrays in a daisy-chain topology.

Performance Range profile > 100 m, 3 mm range resolution at 53 GHz modulation BW; 3.1 dBm TX out with 41 GHz 3 dB bandwidth at 240 GHz; 27dBm EIRP at 240 GHz with the on-chip antenna coupled with a Si lens; 18.7 dB RX SSB NF at 255 GHz, 20.7 dB NF average; 504.1 mA at 3.3 VDC power consumption.