Company Filing History:
Years Active: 2011-2014
Title: Innovations by Nan Sun
Introduction
Nan Sun is a prominent inventor based in Cambridge, MA (US). He has made significant contributions to the field of nuclear magnetic resonance (NMR) and analog-to-digital converters (ADCs). With a total of 3 patents, his work has advanced the technology used in these areas.
Latest Patents
One of his latest patents is titled "Systems and methods for design and construction of NMR transceiver circuits." This invention allows for the control of the Rabi frequency of oscillation of the nuclear magnetization vector in an NMR system by modifying the duty cycle of RF pulses. This method does not require changes to the amplitude of the RF pulses, which optimizes energy delivery at the Larmor frequency. Additionally, the patent describes an impedance matching network that performs both power and noise matching simultaneously, enhancing the signal-to-noise ratio in received NMR signals.
Another notable patent is "Digital background calibration in pipelined ADCs." This invention focuses on correcting capacitor mismatch errors in pipelined ADCs by extracting a mismatch value that represents the difference between sampling and feedback capacitors. The calibration process improves convergence speed and accuracy, utilizing a bandwidth switching scheme to optimize performance during different operational states.
Career Highlights
Nan Sun is affiliated with Harvard College, where he continues to innovate and contribute to research in his field. His work has garnered attention for its practical applications and technical advancements.
Collaborations
He collaborates with Donhee Ham, a fellow researcher, to further explore and develop technologies in the realm of NMR and ADCs.
Conclusion
Nan Sun's contributions to the fields of NMR and ADC technology through his patents demonstrate his innovative spirit and commitment to advancing scientific knowledge. His work continues to influence the development of new technologies in these areas.