Inventor · disambiguated record
Paul F. Ferguson, Jr.
Also filed as: FERGUSON JR PAUL · FERGUSON JR PAUL F · FERGUSON JR PAUL FRANCIS · FERGUSON PAUL F
28 granted patents·1,313 citations·filing 1990–2016
98Inventor score
Top patents by PatentIndex Score
28 records- 0198US5495200ADouble sampled biquad switched capacitor filterANALOG DEVICES INC·Filed 1993·Granted Feb 27, 1996·179 cites·11 claims
- 0296US6917321B1Method and apparatus for use in switched capacitor systemsANALOG DEVICES INC·Filed 2000·Granted Jul 12, 2005·99 cites·65 claims
- 0393US6040793ASwitched-capacitor sigma-delta analog-to-digital converter with input voltage overload protectionANALOG DEVICES INC·Filed 1998·Granted Mar 21, 2000·111 cites·10 claims
- 0493US5311181ASigma delta modulatorANALOG DEVICES INC·Filed 1993·Granted May 10, 1994·93 cites·8 claims
- 0592US5323158ASwitched capacitor one-bit digital-to-analog converterANALOG DEVICES INC·Filed 1993·Granted Jun 21, 1994·88 cites·10 claims
- 0691US5412387AError reduction in switched capacitor digital-to-analog converter systems by balanced samplingANALOG DEVICES INC·Filed 1993·Granted May 2, 1995·71 cites·15 claims
- 0790US7199740B1Method and apparatus for use in switched capacitor systemsANALOG DEVICES INC·Filed 2000·Granted Apr 3, 2007·49 cites·27 claims
- 0890US5789974ACalibrating the DC-offset of amplifiersANALOG DEVICES INC·Filed 1996·Granted Aug 4, 1998·79 cites·25 claims
- 0989US5055843ASigma delta modulator with distributed prefiltering and feedbackANALOG DEVICES INC·Filed 1990·Granted Oct 8, 1991·73 cites·27 claims
- 1088US8570200B2Continuous-time oversampled converter having enhanced immunity to noiseASHBURN JR MICHAEL A·Filed 2011·Granted Oct 29, 2013·14 cites·30 claims
- 1186US9531398B2Limiting aging effects in analog differential circuitsANALOG DEVICES INC·Filed 2016·Granted Dec 27, 2016·3 cites·20 claims
- 1283US6271784B1Capacitor-based digital-to-analog converter with continuous time outputANALOG DEVICES INC·Filed 1997·Granted Aug 7, 2001·52 cites·36 claims
- 1383US5764103ASwitching amplifiers into and out of circuits with reduced output noiseANALOG DEVICES INC·Filed 1996·Granted Jun 9, 1998·51 cites·25 claims
- 1481US5621345AIn-phase and quadrature sampling circuitANALOG DEVICES INC·Filed 1995·Granted Apr 15, 1997·69 cites·16 claims
- 1580US6897715B2Multimode voltage regulatorANALOG DEVICES INC·Filed 2003·Granted May 24, 2005·39 cites·15 claims
- 1679US6624772B1Offset calibration systemANALOG DEVICES INC·Filed 2002·Granted Sep 23, 2003·26 cites·4 claims
- 1779US5689201ATrack-and-hold circuit utilizing a negative of the input signal for trackingUNIV OREGON·Filed 1995·Granted Nov 18, 1997·43 cites·18 claims
- 1876US6873278B1Method and apparatus for use in switched capacitor systemsANALOG DEVICES INC·Filed 2000·Granted Mar 29, 2005·22 cites·52 claims
- 1975US7259706B2Balanced dual resistor string digital to analog converter system and methodANALOG DEVICES INC·Filed 2005·Granted Aug 21, 2007·10 cites·12 claims
- 2075US5381148AMethod and apparatus for calibrating a gain control circuitANALOG DEVICES INC·Filed 1993·Granted Jan 10, 1995·35 cites·19 claims
- 2175US5331221AGain linearity correction for MOS circuitsANALOG DEVICES INC·Filed 1993·Granted Jul 19, 1994·22 cites·6 claims
- 2268US5363102AOffset-insensitive switched-capacitor gain stageANALOG DEVICES INC·Filed 1993·Granted Nov 8, 1994·26 cites·39 claims
- 2365US6005431AHigh band width, high gain offset compensating amplifier system for a read channelANALOG DEVICES INC·Filed 1998·Granted Dec 21, 1999·23 cites·18 claims
- 2464US7138848B2Switched capacitor integrator systemANALOG DEVICES INC·Filed 2004·Granted Nov 21, 2006·8 cites·29 claims
- 2560US7164376B2Dual-mode delta-sigma analog to digital converter system and methodANALOG DEVICES INC·Filed 2005·Granted Jan 16, 2007·4 cites·10 claims
- 2654US5451950AMethod for reducing errors in switched-capacitor digital-to-analog converter systems and apparatus thereforANALOG DEVICES INC·Filed 1995·Granted Sep 19, 1995·14 cites·4 claims
- 2751US7292832B2Timing and frequency control method and circuit for digital wireless telephone system terminalsANALOG DEVICES INC·Filed 2002·Granted Nov 6, 2007·6 cites·12 claims
- 2837US5517149AGain linearity correction circuit for MOS circuitsANALOG DEVICES INC·Filed 1994·Granted May 14, 1996·4 cites·15 claims
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