Inventor
LEHTOLA PHILIP JOHN
US85 patents
Patents
50 patentsUS9780741B2Oct 3, 2017
Compression control of cascode power amplifiers
SKYWORKS SOLUTIONS INC29 citations98
US9698736B2Jul 4, 2017
Compression control through power amplifier load adjustment
SKYWORKS SOLUTIONS INC30 citations98
US9621118B2Apr 11, 2017
Compression control through power amplifier voltage adjustment
SKYWORKS SOLUTIONS INC27 citations98
US9041472B2May 26, 2015
Power amplifier modules including related systems, devices, and methods
SKYWORKS SOLUTIONS INC70 citations98
US9520835B2Dec 13, 2016
Power amplifier modules including bipolar transistor with grading and related systems, devices, and methods
SKYWORKS SOLUTIONS INC24 citations97
US10892715B2Jan 12, 2021
Wideband power combiner and splitter
SKYWORKS SOLUTIONS INC13 citations94
US10693422B2Jun 23, 2020
Wideband power combiner and splitter
SKYWORKS SOLUTIONS INC13 citations94
US10554177B2Feb 4, 2020
Quadrature combined doherty amplifiers
SKYWORKS SOLUTIONS INC19 citations94
US9722547B2Aug 1, 2017
Compression control through amplitude adjustment of a radio frequency input signal
SKYWORKS SOLUTIONS INC24 citations94
US10116274B2Oct 30, 2018
Process-compensated HBT power amplifier bias circuits and methods
SKYWORKS SOLUTIONS INC20 citations93
US9979349B2May 22, 2018
Multi-band device having multiple miniaturized single-band power amplifiers
SKYWORKS SOLUTIONS INC10 citations93
US9838058B2Dec 5, 2017
Power amplification system with variable supply voltage
SKYWORKS SOLUTIONS INC18 citations93
US9787260B2Oct 10, 2017
Power amplifier having staggered cascode layout for enhanced thermal ruggedness
SKYWORKS SOLUTIONS INC17 citations93
US9712125B2Jul 18, 2017
Power amplification system with shared common base biasing
SKYWORKS SOLUTIONS INC17 citations93
US9419567B2Aug 16, 2016
Process-compensated HBT power amplifier bias circuits and methods
SKYWORKS SOLUTIONS INC25 citations93
US10250202B2Apr 2, 2019
Power amplification system with adjustable common base bias
SKYWORKS SOLUTIONS INC12 citations90
US9698734B2Jul 4, 2017
Power amplification system with adjustable common base bias
SKYWORKS SOLUTIONS INC14 citations90
US11444576B2Sep 13, 2022
Power amplifier bias modulation for multi-level supply envelope tracking
SKYWORKS SOLUTIONS INC8 citations86
US11239800B2Feb 1, 2022
Power amplifier bias modulation for low bandwidth envelope tracking
SKYWORKS SOLUTIONS INC12 citations86
US11070174B2Jul 20, 2021
Quadrature combined doherty amplifiers
SKYWORKS SOLUTIONS INC9 citations86
US11451199B2Sep 20, 2022
Power amplifier systems with control interface and bias circuit
SKYWORKS SOLUTIONS INC7 citations85
US12143077B2Nov 12, 2024
Power amplifier modules including semiconductor resistor and tantalum nitride terminated through wafer via
SKYWORKS SOLUTIONS INC3 citations84
US10804867B2Oct 13, 2020
Quadrature amplifier having envelope control
SKYWORKS SOLUTIONS INC6 citations84
US10804866B2Oct 13, 2020
Doherty amplifier having envelope control
SKYWORKS SOLUTIONS INC6 citations84
US10277174B2Apr 30, 2019
Radio-frequency amplification systems, devices and methods
SKYWORKS SOLUTIONS INC7 citations84
US10177711B2Jan 8, 2019
Multi-band power amplification system having enhanced efficiency through elimination of band selection switch
SKYWORKS SOLUTIONS INC5 citations84
US10084411B2Sep 25, 2018
Reduced power amplifier size through elimination of matching network
SKYWORKS SOLUTIONS INC6 citations84
US9991850B2Jun 5, 2018
Amplifier with base current reuse
SKYWORKS SOLUTIONS INC5 citations84
US9935594B2Apr 3, 2018
Peaking amplifier bias control
SKYWORKS SOLUTIONS INC10 citations84
US9923523B2Mar 20, 2018
Doherty power amplifier having reduced size
SKYWORKS SOLUTIONS INC10 citations84
US9899961B2Feb 20, 2018
Enhanced amplifier efficiency through cascode current steering
SKYWORKS SOLUTIONS INC15 citations84
US9893687B2Feb 13, 2018
Radio-frequency and bias signal coupling in power amplifier devices
SKYWORKS SOLUTIONS INC13 citations84
US9893684B2Feb 13, 2018
Radio-frequency power amplifiers driven by boost converter
SKYWORKS SOLUTIONS INC8 citations84
US9806681B2Oct 31, 2017
Doherty power amplifier having AM-AM compensation
SKYWORKS SOLUTIONS INC9 citations84
US9654155B2May 16, 2017
Cascode amplifier segmentation for enhanced thermal ruggedness
SKYWORKS SOLUTIONS INC6 citations84
US9621119B2Apr 11, 2017
Power amplifier bias signal multiplexing
SKYWORKS SOLUTIONS INC12 citations84
US10771024B2Sep 8, 2020
Power amplifier modules including transistor with grading and semiconductor resistor
SKYWORKS SOLUTIONS INC4 citations83
US12206363B2Jan 21, 2025
Load modulated power amplifiers
SKYWORKS SOLUTIONS INC3 citations75
US12074576B2Aug 27, 2024
Power amplification with reduced gain variation
SKYWORKS SOLUTIONS INC3 citations75
US11683013B2Jun 20, 2023
Power amplifier bias modulation for low bandwidth envelope tracking
SKYWORKS SOLUTIONS INC4 citations75
US11552598B2Jan 10, 2023
Wideband power combiner and splitter
SKYWORKS SOLUTIONS INC4 citations75
US11916517B2Feb 27, 2024
Saturation detection of power amplifiers
SKYWORKS SOLUTIONS INC2 citations73
US11894808B2Feb 6, 2024
Power amplifier with variable bias impedance
SKYWORKS SOLUTIONS INC1 citations73
US11831284B2Nov 28, 2023
Parallel cascode amplifier for enhanced low-power mode efficiency
SKYWORKS SOLUTIONS INC2 citations73
US11711057B2Jul 25, 2023
Circuits, devices and methods related to antenna tuner
SKYWORKS SOLUTIONS INC3 citations73
US11502646B2Nov 15, 2022
Quadrature combined Doherty amplifiers
SKYWORKS SOLUTIONS INC4 citations73
US11264958B2Mar 1, 2022
Parallel cascode amplifier for enhanced low-power mode efficiency
SKYWORKS SOLUTIONS INC2 citations73
US11165392B2Nov 2, 2021
Variable power amplifier bias impedance
SKYWORKS SOLUTIONS INC3 citations73
US11057003B2Jul 6, 2021
Devices and methods for detecting a saturation condition of a power amplifier
SKYWORKS SOLUTIONS INC2 citations73
US11018628B2May 25, 2021
Antenna impedance prediction via power amplifier parameter
SKYWORKS SOLUTIONS INC3 citations73
Showing the top 50 of 85 patents by PatentIndex Score.