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Dive into the research topics where Richard P. Schubert is active.

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Featured researches published by Richard P. Schubert.


radio frequency integrated circuits symposium | 2016

A direct-conversion receiver for multi-carrier 3G/4G small-cell base stations in 65nm CMOS

David J. McLaurin; Kevin Glenn Gard; Richard P. Schubert; Robert C. Glenn; David Alldred; Trevor Clifford Caldwell; Zhao Li; Steve Bal; Christopher W. Angell; Jianxun Fan; Manish J. Manglani; Brian Reggiannini; John Kornblum; Lu Wu; Christopher M. Mayer; Oliver Gysel; Wei An; Shipra Bhal; Bruce E. Wilcox; Tony Montalvo

We present a 65nm direct conversion receiver for small cell 3G/4G basestations. The receiver supports up to 100MHz of RF BW and carrier frequencies from 400MHz to 6GHz, with 80dB image rejection and 76dB in-band SFDR. The direct conversion architecture eliminates IF filtering and the need for RF filtering of images and M×N mixing products, reducing basestation size and cost.


Archive | 2014

SYSTEM AND METHOD QUADRATURE ERROR DETECTION AND CORRECTION

Richard P. Schubert; Mariko Medlock; Wei An


Archive | 2014

Quadrature error detection and correction

Richard P. Schubert; Mariko Medlock; Wei An


Archive | 2004

High/low priority memory

Richard P. Schubert; Christopher M. Mayer


Archive | 2004

Cache memory with reduced power and increased memory bandwidth

Richard P. Schubert


Archive | 2013

Real-time i/q imbalance correction for wide-band rf receiver

Wei An; Brian Reggiannini; Richard P. Schubert


Archive | 2015

APPARATUS AND METHODS FOR WIDE BANDWIDTH ANALOG-TO-DIGITAL CONVERSION OF QUADRATURE RECEIVE SIGNALS

Antonio Montalvo; Richard P. Schubert


Archive | 2004

Memory cell testing feature

Richard P. Schubert


Archive | 2013

Quadrature error correction using polynomial models in tone calibration

Wei An; Richard P. Schubert; Yosef Stein


Archive | 2004

Low-power, high-speed word comparator

Richard P. Schubert

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