A single-chip quad-band (850/900/1800/1900 MHz) direct conversion GSM/GPRS RF transceiver with integrated VCOs and fractional-n synthesizer. - Rahul Magoon; Alyosha C. Molnar; Jeff Zachan; Geoff Hatcher; Woogeun Rhee (IEEE J. Solid State Circuits, 2002)

Evaluation of Fully-Integrated Switching Regulators for CMOS Process Technologies. - Jaeseo Lee; Geoff Hatcher; Lieven Vandenberghe; Chih-Kong Ken Yang (IEEE Trans. Very Large Scale Integr. Syst., 2007)

A Fully-Integrated Quad-Band GSM/GPRS CMOS Power Amplifier. - Ichiro Aoki; Scott D. Kee; Rahul Magoon; Roberto Aparicio; Florian Bohn; Jeff Zachan; Geoff Hatcher; Donald McClymont; Ali Hajimiri (IEEE J. Solid State Circuits, 2008)

A 40nm CMOS single-chip 50Gb/s DP-QPSK/BPSK transceiver with electronic dispersion compensation for coherent optical channels. - Diego E. Crivelli; Mario Rafael Hueda; Hugo S. Carrer; Jeff Zachan; Vadim Gutnik; Martin Del Barco; Ramiro R. Lopez; Geoff Hatcher; Jorge M. Finochietto; Michael Yeo; Andre Chartrand; Norman Swenson; et al. (ISSCC, 2012)

8.6 A Highly Reconfigurable 40-97GS/s DAC and ADC with 40GHz AFE Bandwidth and Sub-35fJ/conv-step for 400Gb/s Coherent Optical Applications in 7nm FinFET. - R. L. Nguyen; A. M. Castrillon; A. Fan; A. Mellati; Benjamín T. Reyes; Cindra Abidin; E. Olsen; F. Ahmad; Geoff Hatcher; J. Chana; Laura Biolato; L. Tse; et al. (ISSCC, 2021)

18.3 An 8b 160GS/s 57GHz Bandwidth Time-Interleaved DAC and Driver-Based Transmitter with Adaptive Calibration for 800Gb/s Coherent Optical Applications in 5nm. - F. Ahmad; A. Mellati; A. Fernandez; A. Iyer; A. Fan; Benjamín T. Reyes; Cindra Abidin; Claudio Nani; D. Albano; Fredy Solis; Gabriele Minoia; Geoff Hatcher; et al. (ISSCC, 2024)

18.4 A 200GS/s 8b 20fJ/c-s Receiver with >60GHz AFE Bandwidth for 800Gb/s Optical Coherent Communications in 5nm FinFET. - R. L. Nguyen; A. Mellati; A. Fernandez; A. Iyer; A. Fan; Benjamín T. Reyes; Cindra Abidin; Claudio Nani; D. Albano; F. Ahmad; Fredy Solis; Gabriele Minoia; et al. (ISSCC, 2024)