Jan Roelof Westra

Person

Amstelveen, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for integrated battery supply regulation and t...
- Patent number 11,507,119
- Issue date Nov 22, 2022
- Avago Technologies International Sales Pte. Limited
- Kambiz Vakilian
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fast overvoltage protection circuit with digital control
- Patent number 10,903,641
- Issue date Jan 26, 2021
- Avago Technologies International Sales Pte. Limited
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter drive with improved transmitter performance and reliabi...
- Patent number 10,250,338
- Issue date Apr 2, 2019
- Avago Technologies International Sales Pte. Limited
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-segmented all logic DAC
- Patent number 10,014,877
- Issue date Jul 3, 2018
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Adesh Garg
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Overvoltage protection circuit with digital control
- Patent number 9,543,752
- Issue date Jan 10, 2017
- Broadcom Corporation
- Jan Roelof Westra
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital calibration of analog distortion using split analog front-end
- Patent number 9,031,177
- Issue date May 12, 2015
- Broadcom Corporation
- Frank van der Goes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid circuit for a transceiver front-end
- Patent number 8,447,242
- Issue date May 21, 2013
- Broadcom Corporation
- Jan Roelof Westra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quadrature oscillator with simplified amplitude, phase and frequenc...
- Patent number 7,741,920
- Issue date Jun 22, 2010
- Broadcom Corporation
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resistor ladder interpolation for PGA and DAC
- Patent number 7,616,144
- Issue date Nov 10, 2009
- Broadcom Corporation
- Jan Mulder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fast converter for crossing voltage domains
- Patent number 7,551,035
- Issue date Jun 23, 2009
- Broadcom Corporation
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interpolating programmable gain attenuator
- Patent number 7,482,891
- Issue date Jan 27, 2009
- Broadcom Corporation
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonance mode selection using a resonator-synchronized second-orde...
- Patent number 7,414,482
- Issue date Aug 19, 2008
- Broadcom Corporation
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Subranging analog to digital converter with multi-phase clock timing
- Patent number 7,324,038
- Issue date Jan 29, 2008
- Broadcom Corporation
- Franciscus Maria Leonardus van der Goes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resistor ladder interpolation for PGA and DAC
- Patent number 7,271,755
- Issue date Sep 18, 2007
- Broadcom Corporation
- Jan Mulder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interpolating programmable gain attenuator
- Patent number 7,242,267
- Issue date Jul 10, 2007
- Broadcom Corporation
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interpolating programmable gain attenuator
- Patent number 7,135,942
- Issue date Nov 14, 2006
- Broadcom Corporation
- Jan R Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital to analog conversion
- Patent number 7,098,829
- Issue date Aug 29, 2006
- Koninklijke Philips Electronics N.V.
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transceiver front-end
- Patent number 7,027,790
- Issue date Apr 11, 2006
- Broadcom Corporation
- Jan R. Westra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subranging analog to digital converter with multi-phase clock timing
- Patent number 6,653,966
- Issue date Nov 25, 2003
- Broadcom Corporation
- Franciscus Maria Leonardus van der Goes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Subranging analog to digital converter with multi-phase clock timing
- Patent number 6,583,747
- Issue date Jun 24, 2003
- Broadcom Corporation
- Franciscus Maria Leonardus van der Goes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Means for compensating a data-dependent supply current in an electr...
- Patent number 6,501,401
- Issue date Dec 31, 2002
- Koninklijke Philips Electronics N.V.
- Jeroen Michiel Van Den Boom
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital to analog converter
- Patent number 6,501,407
- Issue date Dec 31, 2002
- Koninklijke Philips Electronics N.V.
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital to analog converter
- Patent number 6,426,715
- Issue date Jul 30, 2002
- Koninklijke Philips Electronics N.V.
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR ENERGY EFFICIENT LINE DRIVER BOOST STAGE WITH...
- Publication number 20240364266
- Publication date Oct 31, 2024
- Avago Technologies International Sales Pte. Limited
- Zeng Zeng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEM AND METHOD FOR ENERGY EFFICIENT LINE DRIVER BOOST STAGE WITH...
- Publication number 20240364267
- Publication date Oct 31, 2024
- Avago Technologies International Sales Pte. Limited
- Zeng Zeng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Calibration of a Digital-to-Analog Converter
- Publication number 20240063807
- Publication date Feb 22, 2024
- Avago Technologies International Sales Pte. Limited
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ENERGY EFFICIENT LINE-DRIVER WITH IMPROVED OUTPUT SWING
- Publication number 20230353184
- Publication date Nov 2, 2023
- Avago Technologies International Sales Pte. Limited
- Jan Mulder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR INTEGRATED BATTERY SUPPLY REGULATION
- Publication number 20200050224
- Publication date Feb 13, 2020
- Avago Technologies International Sales Pte. Limited
- Kambiz Vakilian
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FAST OVERVOLTAGE PROTECTION CIRCUIT WITH DIGITAL CONTROL
- Publication number 20190319444
- Publication date Oct 17, 2019
- Avago Technologies General IP (Singapore) PTE. LTD.
- Jan Roelof WESTRA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERVOLTAGE PROTECTION CIRCUIT WITH DIGITAL CONTROL
- Publication number 20150085412
- Publication date Mar 26, 2015
- BROADCOM CORPORATION
- Jan Roelof WESTRA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Digital Calibration of Analog Distortion Using Split Analog Front-End
- Publication number 20140177768
- Publication date Jun 26, 2014
- BROADCOM CORPORATION
- Frank van der Goes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transceiver Front-End
- Publication number 20120058736
- Publication date Mar 8, 2012
- BROADCOM CORPORATION
- Jan Roelof Westra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resistor Ladder Interpolation for PGA and DAC
- Publication number 20080088493
- Publication date Apr 17, 2008
- BROADCOM CORPORATION
- Jan MULDER
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Interpolating programmable gain attenuator
- Publication number 20070257744
- Publication date Nov 8, 2007
- BROADCOM CORPORATION
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Resonance mode selection using a resonator-synchronized second-orde...
- Publication number 20070188247
- Publication date Aug 16, 2007
- BROADCOM CORPORATION
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Quadrature oscillator with simplified amplitude, phase and frequenc...
- Publication number 20070188248
- Publication date Aug 16, 2007
- BROADCOM CORPORATION
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fast converter for crossing voltage domains
- Publication number 20070182605
- Publication date Aug 9, 2007
- BROADCOM CORPORATION
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital to analog conversion
- Publication number 20050190086
- Publication date Sep 1, 2005
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Interpolating programmable gain attenuator
- Publication number 20050093643
- Publication date May 5, 2005
- Broadcom Corporation
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Interpolating programmable gain attenuator
- Publication number 20050093644
- Publication date May 5, 2005
- BROADCOM CORPORATION
- Jan R. Westra
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Resistor ladder interpolation for PGA and DAC
- Publication number 20050068216
- Publication date Mar 31, 2005
- BROADCOM CORPORATION
- Jan Mulder
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Subranging analog to digital converter with multi-phase clock timing
- Publication number 20040155807
- Publication date Aug 12, 2004
- Broadcom Corporation
- Franciscus Maria Leonardus van der Goes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUBRANGING ANALOG TO DIGITAL CONVERTER WITH MULTI-PHASE CLOCK TIMING
- Publication number 20030218556
- Publication date Nov 27, 2003
- Broadcom Corporation
- Franciscus Maria Leonardus van der Goes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Transceiver front-end
- Publication number 20030032394
- Publication date Feb 13, 2003
- Broadcom Corporation
- Jan R. Westra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Means for compensating a data-dependent supply current in an electr...
- Publication number 20020047792
- Publication date Apr 25, 2002
- Jeroen Michiel Van Den Boom
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Digital to analog converter
- Publication number 20020047795
- Publication date Apr 25, 2002
- Jan Roelof Westra
- H03 - BASIC ELECTRONIC CIRCUITRY

Jan Roelof Westra

Person

Patents Grantslast 30 patents

Method and apparatus for integrated battery supply regulation and t...

Fast overvoltage protection circuit with digital control

Transmitter drive with improved transmitter performance and reliabi...

Multi-segmented all logic DAC

Overvoltage protection circuit with digital control

Digital calibration of analog distortion using split analog front-end

Hybrid circuit for a transceiver front-end

Quadrature oscillator with simplified amplitude, phase and frequenc...

Resistor ladder interpolation for PGA and DAC

Fast converter for crossing voltage domains

Interpolating programmable gain attenuator

Resonance mode selection using a resonator-synchronized second-orde...

Subranging analog to digital converter with multi-phase clock timing

Resistor ladder interpolation for PGA and DAC

Interpolating programmable gain attenuator

Interpolating programmable gain attenuator

Digital to analog conversion

Transceiver front-end

Subranging analog to digital converter with multi-phase clock timing

Subranging analog to digital converter with multi-phase clock timing

Means for compensating a data-dependent supply current in an electr...

Digital to analog converter

Digital to analog converter

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR ENERGY EFFICIENT LINE DRIVER BOOST STAGE WITH...

SYSTEM AND METHOD FOR ENERGY EFFICIENT LINE DRIVER BOOST STAGE WITH...

Calibration of a Digital-to-Analog Converter

ENERGY EFFICIENT LINE-DRIVER WITH IMPROVED OUTPUT SWING

METHOD AND APPARATUS FOR INTEGRATED BATTERY SUPPLY REGULATION

FAST OVERVOLTAGE PROTECTION CIRCUIT WITH DIGITAL CONTROL

OVERVOLTAGE PROTECTION CIRCUIT WITH DIGITAL CONTROL

Digital Calibration of Analog Distortion Using Split Analog Front-End

Transceiver Front-End

Resistor Ladder Interpolation for PGA and DAC

Interpolating programmable gain attenuator

Resonance mode selection using a resonator-synchronized second-orde...

Quadrature oscillator with simplified amplitude, phase and frequenc...

Fast converter for crossing voltage domains

Digital to analog conversion

Interpolating programmable gain attenuator

Interpolating programmable gain attenuator

Resistor ladder interpolation for PGA and DAC

Subranging analog to digital converter with multi-phase clock timing

SUBRANGING ANALOG TO DIGITAL CONVERTER WITH MULTI-PHASE CLOCK TIMING

Transceiver front-end

Means for compensating a data-dependent supply current in an electr...

Digital to analog converter