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AWR1243
SWRS188D – MAY 2017 – REVISED DECEMBER 2021
AWR1243 Single-Chip 77- and 79-GHz FMCW Transceiver
1 Features
• FMCW transceiver
– Integrated PLL, transmitter, receiver, Baseband, and ADC
– 76- to 81-GHz coverage with 4 GHz available bandwidth
– Four receive channels – Three transmit channels (two can be used
simultaneously) – Ultra-accurate chirp engine based on fractional-
N PLL – TX power: 12 dBm – RX noise figure:
• 14 dB (76 to 77 GHz) • 15 dB (77 to 81 GHz) – Phase noise at 1 MHz:
• –95 dBc/Hz (76 to 77 GHz) • –93 dBc/Hz (77 to 81 GHz) • Built-in calibration and self-test
– Built-in firmware (ROM) – Self-calibrating system across process and
temperature • Host interface
– Control interface with external processor over SPI
– Data interface with external processor over MIPI D-PHY