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James M. Retz
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Cedar Rapids, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Equalizer for envelope power supply circuitry
Patent number
12,199,581
Issue date
Jan 14, 2025
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Envelope tracking voltage correction in a transmission circuit
Patent number
12,199,577
Issue date
Jan 14, 2025
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Wideband transmission circuit
Patent number
12,057,813
Issue date
Aug 6, 2024
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for providing an envelope tracking supply voltage
Patent number
11,973,469
Issue date
Apr 30, 2024
Qorvo US, Inc.
James M. Retz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Equalization filter calibration in a transceiver circuit
Patent number
11,962,338
Issue date
Apr 16, 2024
Qorvo US, Inc.
Nadim Khlat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Envelope tracking voltage correction in a transmission circuit
Patent number
11,942,899
Issue date
Mar 26, 2024
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Equalizer for envelope power supply circuitry
Patent number
11,671,064
Issue date
Jun 6, 2023
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Envelope tracking amplifier circuit
Patent number
10,944,365
Issue date
Mar 9, 2021
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Envelope tracking amplifier circuit
Patent number
10,911,001
Issue date
Feb 2, 2021
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Nonlinear bandwidth compression circuitry
Patent number
10,530,305
Issue date
Jan 7, 2020
Qorvo US, Inc.
Andrew F. Folkmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Temperature compensation technique for envelope tracking system
Patent number
9,853,608
Issue date
Dec 26, 2017
Qorvo US, Inc.
James M. Retz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Quasi iso-gain supply voltage function for envelope tracking systems
Patent number
9,263,996
Issue date
Feb 16, 2016
RF Micro Devices, Inc.
Andrew F. Folkmann
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
3D frequency dithering for DC-to-DC converters used in multi-mode c...
Patent number
9,166,471
Issue date
Oct 20, 2015
RF Micro Devices, Inc.
Chris Levesque
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pulsed behavior modeling with steady state average conditions
Patent number
8,952,710
Issue date
Feb 10, 2015
RF Micro Devices, Inc.
James M. Retz
G01 - MEASURING TESTING
Information
Patent Grant
High efficiency multiple power mode linear radio frequency power am...
Patent number
8,749,305
Issue date
Jun 10, 2014
RF Micro Devices, Inc.
James M. Retz
G05 - CONTROLLING REGULATING
Information
Patent Grant
Envelope tracking with variable compression
Patent number
8,626,091
Issue date
Jan 7, 2014
RF Micro Devices, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and system for increasing efficiency in a radio front-end
Patent number
8,457,685
Issue date
Jun 4, 2013
RF Micro Devices, Inc.
Ruediger Bauder
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High efficiency multiple power mode linear radio frequency power am...
Patent number
8,324,964
Issue date
Dec 4, 2012
RF Micro Devices, Inc.
James M. Retz
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE
Publication number
20240223129
Publication date
Jul 4, 2024
Qorvo US, Inc.
James M. Retz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
EQUALIZER FOR ENVELOPE POWER SUPPLY CIRCUITRY
Publication number
20230387876
Publication date
Nov 30, 2023
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CIRCUIT AND METHOD FOR INTER-SYMBOL AND INTRA-SYMBOL VOLTAGE MODULA...
Publication number
20230124652
Publication date
Apr 20, 2023
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
EQUALIZATION FILTER CALIBRATION IN A TRANSCEIVER CIRCUIT
Publication number
20230080652
Publication date
Mar 16, 2023
Qorvo US, Inc.
Nadim Khlat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIDEBAND TRANSMISSION CIRCUIT
Publication number
20220407463
Publication date
Dec 22, 2022
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENVELOPE TRACKING VOLTAGE CORRECTION IN A TRANSMISSION CIRCUIT
Publication number
20220407464
Publication date
Dec 22, 2022
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENVELOPE TRACKING VOLTAGE CORRECTION IN A TRANSMISSION CIRCUIT
Publication number
20220407478
Publication date
Dec 22, 2022
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SYSTEMS AND METHODS FOR PROVIDING AN ENVELOPE TRACKING SUPPLY VOLTAGE
Publication number
20220052649
Publication date
Feb 17, 2022
Qorvo US, Inc.
James M. Retz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
EQUALIZER FOR ENVELOPE POWER SUPPLY CIRCUITRY
Publication number
20210211112
Publication date
Jul 8, 2021
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENVELOPE TRACKING AMPLIFIER CIRCUIT
Publication number
20200106392
Publication date
Apr 2, 2020
Qorvo US, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ENVELOPE TRACKING AMPLIFIER CIRCUIT
Publication number
20200007090
Publication date
Jan 2, 2020
Qorvo US, Inc.
Nadim Khlat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NONLINEAR BANDWIDTH COMPRESSION CIRCUITRY
Publication number
20190109566
Publication date
Apr 11, 2019
Qorvo US, Inc.
Andrew F. Folkmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TEMPERATURE COMPENSATION TECHNIQUE FOR ENVELOPE TRACKING SYSTEM
Publication number
20160373071
Publication date
Dec 22, 2016
RF Micro Devices, Inc.
James M. Retz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENVELOPE TRACKING WITH VARIABLE COMPRESSION
Publication number
20130181774
Publication date
Jul 18, 2013
RF Micro Devices, Inc.
Nadim Khlat
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PULSED BEHAVIOR MODELING WITH STEADY STATE AVERAGE CONDITIONS
Publication number
20130181730
Publication date
Jul 18, 2013
RF Micro Devices, Inc.
James M. Retz
G01 - MEASURING TESTING
Information
Patent Application
HIGH EFFICIENCY MULTIPLE POWER MODE LINEAR RADIO FREQUENCY POWER AM...
Publication number
20130027132
Publication date
Jan 31, 2013
RF Micro Devices, Inc.
James M. Retz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
QUASI ISO-GAIN SUPPLY VOLTAGE FUNCTION FOR ENVELOPE TRACKING SYSTEMS
Publication number
20130024142
Publication date
Jan 24, 2013
RF Micro Devices, Inc.
Andrew F. Folkmann
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
HIGH EFFICIENCY MULTIPLE POWER MODE LINEAR RADIO FREQUENCY POWER AM...
Publication number
20120188011
Publication date
Jul 26, 2012
RF Micro Devices, Inc.
James M. Retz
G05 - CONTROLLING REGULATING