Title:
Ultra-wideband and highly linear 43-97 GHz receiver front-end
Ultra-wideband and highly linear 43-97 GHz receiver front-end
Authors
Ahmed, Amr Ahmed Saad
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Advisors
Wang, Hua
Kenney, J. Stevenson
Raychowdhury, Arijit
Kenney, J. Stevenson
Raychowdhury, Arijit
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Abstract
This research presents a wideband mmWave receiver front-end that covers the frequency range from 43 to 97 GHz, supporting the operation in the major parts of the V-, E- and W-bands. The front-end incorporates a passive mixer-first topology to achieve high linearity and wideband performance along with an optimum operational instantaneous bandwidth. In addition, it implements the multi-gate gm3 cancellation technique at the IF amplifiers to preserve the linearity and provide gain at the IF section. Image rejection capabilities using a current mode transformer based IF 90o coupler is implemented on chip and demonstrated with measurements. The front-end is fabricated on the Globelfoundries 22nm FD-SOI CMOS process and demonstrates an ultra-wideband performance across the frequency range 43-97 GHz (2.25:1 bandwidth) with image rejection of up to 32 dB, IIP3 of 1.6-5.2 dBm and gain of 15 dB. Furthermore, the measurement results show that the front-end supports high speed modulated signals of up to 6 Gbps 64QAM modulation data.
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Date Issued
2020-07-27
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