Inventor
FERGUSON JR PAUL F
US21 patents
⚠️ This page may combine multiple inventors who share the name “FERGUSON JR PAUL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANALOG DEVICES INC
20 patentsUS6040793AMar 21, 2000
Switched-capacitor sigma-delta analog-to-digital converter with input voltage overload protection
ANALOG DEVICES INC111 citations98
US5495200AFeb 27, 1996
Double sampled biquad switched capacitor filter
ANALOG DEVICES INC179 citations98
US6917321B1Jul 12, 2005
Method and apparatus for use in switched capacitor systems
ANALOG DEVICES INC99 citations96
US5789974AAug 4, 1998
Calibrating the DC-offset of amplifiers
ANALOG DEVICES INC79 citations96
US5323158AJun 21, 1994
Switched capacitor one-bit digital-to-analog converter
ANALOG DEVICES INC88 citations96
US5311181AMay 10, 1994
Sigma delta modulator
ANALOG DEVICES INC93 citations96
US5055843AOct 8, 1991
Sigma delta modulator with distributed prefiltering and feedback
ANALOG DEVICES INC73 citations96
US5412387AMay 2, 1995
Error reduction in switched capacitor digital-to-analog converter systems by balanced sampling
ANALOG DEVICES INC71 citations95
US6873278B1Mar 29, 2005
Method and apparatus for use in switched capacitor systems
ANALOG DEVICES INC22 citations92
US6271784B1Aug 7, 2001
Capacitor-based digital-to-analog converter with continuous time output
ANALOG DEVICES INC52 citations92
US5764103AJun 9, 1998
Switching amplifiers into and out of circuits with reduced output noise
ANALOG DEVICES INC51 citations92
US5621345AApr 15, 1997
In-phase and quadrature sampling circuit
ANALOG DEVICES INC69 citations92
US5381148AJan 10, 1995
Method and apparatus for calibrating a gain control circuit
ANALOG DEVICES INC35 citations92
US5363102ANov 8, 1994
Offset-insensitive switched-capacitor gain stage
ANALOG DEVICES INC26 citations92
US5331221AJul 19, 1994
Gain linearity correction for MOS circuits
ANALOG DEVICES INC22 citations92
US7199740B1Apr 3, 2007
Method and apparatus for use in switched capacitor systems
ANALOG DEVICES INC49 citations91
US6624772B1Sep 23, 2003
Offset calibration system
ANALOG DEVICES INC26 citations89
US5451950ASep 19, 1995
Method for reducing errors in switched-capacitor digital-to-analog converter systems and apparatus therefor
ANALOG DEVICES INC14 citations73
US7292832B2Nov 6, 2007
Timing and frequency control method and circuit for digital wireless telephone system terminals
ANALOG DEVICES INC6 citations63
US5517149AMay 14, 1996
Gain linearity correction circuit for MOS circuits
ANALOG DEVICES INC4 citations62