Inventor
STENGEL ROBERT E
US77 patents
⚠️ This page may combine multiple inventors who share the name “STENGEL ROBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
47 patentsUS5901346AMay 4, 1999
Method and apparatus utilizing a compensated multiple output signal source
MOTOROLA INC167 citations99
US5898912AApr 27, 1999
Direct current (DC) offset compensation method and apparatus
MOTOROLA INC198 citations99
US5541554AJul 30, 1996
Multi-mode power amplifier
MOTOROLA INC208 citations99
US5451914ASep 19, 1995
Multi-layer radio frequency transformer
MOTOROLA INC195 citations99
US5442317AAug 15, 1995
Switching regulator and amplifier system
MOTOROLA INC189 citations99
US6794913B1Sep 21, 2004
Delay locked loop with digital to phase converter compensation
MOTOROLA INC73 citations98
US6262629B1Jul 17, 2001
High efficiency power amplifier having reduced output matching networks for use in portable devices
MOTOROLA INC179 citations98
US6008102ADec 28, 1999
Method of forming a three-dimensional integrated inductor
MOTOROLA INC382 citations98
US5892395AApr 6, 1999
Method and apparatus for efficient signal power amplification
MOTOROLA INC126 citations98
US6356149B1Mar 12, 2002
Tunable inductor circuit, phase tuning circuit and applications thereof
MOTOROLA INC94 citations97
US5265270ANov 23, 1993
Method and apparatus for providing power conservation in a communication system
MOTOROLA INC155 citations97
US6462360B1Oct 8, 2002
Integrated gallium arsenide communications systems
MOTOROLA INC72 citations96
US6373901B1Apr 16, 2002
Method and apparatus for conditioning modulated signals using window expansion
MOTOROLA INC74 citations96
US5506493AApr 9, 1996
Switching regulator and amplifier system
MOTOROLA INC61 citations96
US5283462AFeb 1, 1994
Integrated distributed inductive-capacitive network
MOTOROLA INC75 citations96
US5218284AJun 8, 1993
Integral battery charging and supply regulation circuit
MOTOROLA INC77 citations96
US5109530AApr 28, 1992
Receiver with battery saver
MOTOROLA INC95 citations96
US5204970AApr 20, 1993
Communication system capable of adjusting transmit power of a subscriber unit
MOTOROLA INC100 citations95
US5166857ANov 24, 1992
Electronically tunable capacitor switch
MOTOROLA INC62 citations95
US5055816AOct 8, 1991
Method for fabricating an electronic device
MOTOROLA INC106 citations95
US4494100AJan 15, 1985
Planar inductors
MOTOROLA INC286 citations94
US6118322ASep 12, 2000
Method and apparatus for reducing even order distortion in differential circuits
MOTOROLA INC36 citations93
US6106563AAug 22, 2000
Method and apparatus for extracting parameters for an electrical structure
MOTOROLA INC20 citations93
US5376902ADec 27, 1994
Interconnection structure for crosstalk reduction to improve off-chip selectivity
MOTOROLA INC33 citations93
US7773713B2Aug 10, 2010
Clock data recovery systems and methods for direct digital synthesizers
MOTOROLA INC22 citations92
US7409012B2Aug 5, 2008
Modulator and signaling method
MOTOROLA INC35 citations92
US7251468B2Jul 31, 2007
Dynamically matched mixer system with improved in-phase and quadrature (I/Q) balance and second order intercept point (IP2) performance
MOTOROLA INC25 citations92
US6998928B2Feb 14, 2006
Digital pulse width modulation
MOTOROLA INC27 citations92
US6867736B2Mar 15, 2005
Multi-band antennas
MOTOROLA INC30 citations92
US6542270B2Apr 1, 2003
Interference-robust coded-modulation scheme for optical communications and method for modulating illumination for optical communications
MOTOROLA INC46 citations92
US5648766AJul 15, 1997
Circuit with supply voltage optimizer
MOTOROLA INC47 citations92
US5438694AAug 1, 1995
Distortion compensation for a pulsewidth-modulated circuit
MOTOROLA INC22 citations92
US5422597AJun 6, 1995
Means and method of enhancing signal resolution and dynamic range extension in a pulse width modulation amplifier
MOTOROLA INC22 citations92
US5382915AJan 17, 1995
Pulsewidth-modulated amplifier having analog mode
MOTOROLA INC39 citations92
US6959397B2Oct 25, 2005
Programmable skew clock signal generator selecting one of a plurality of delayed reference clock signals in response to a phase accumulator output
MOTOROLA INC32 citations90
US5329259AJul 12, 1994
Efficient amplitude/phase modulation amplifier
MOTOROLA INC21 citations89
US7154978B2Dec 26, 2006
Cascaded delay locked loop circuit
MOTOROLA INC23 citations88
US7409416B2Aug 5, 2008
Digital-to-time converter using cycle selection windowing
MOTOROLA INC12 citations84
US7319870B2Jan 15, 2008
Method for subscribing to a wireless service
MOTOROLA INC17 citations84
US7102429B2Sep 5, 2006
RF amplifier with enhanced efficiency
MOTOROLA INC15 citations84
US6539344B1Mar 25, 2003
Method and apparatus for extracting parameters for an electrical structure
MOTOROLA INC15 citations84
US7620133B2Nov 17, 2009
Method and apparatus for a digital-to-phase converter
MOTOROLA INC8 citations82
US7421464B2Sep 2, 2008
System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
MOTOROLA INC9 citations82
US6891420B2May 10, 2005
Method and apparatus for digital frequency synthesis
MOTOROLA INC13 citations82
US7869769B2Jan 11, 2011
Method and apparatus for reconfigurable frequency generation
MOTOROLA INC7 citations80
US7471156B2Dec 30, 2008
Amplifier containing programmable impedance for harmonic termination
MOTOROLA INC10 citations80
US7109766B2Sep 19, 2006
Adjustable frequency delay-locked loop
MOTOROLA INC13 citations80
NAGARAJ GEETHA B
2 patentsECKLUND LAWRENCE M
1 patentShowing the top 50 of 77 patents by PatentIndex Score.