Ralph Duncan

Person

Laguna Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fully integrated tuner architecture
- Patent number 8,045,066
- Issue date Oct 25, 2011
- Broadcom Corporation
- Pieter Vorenkamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fully integrated tuner architecture
- Patent number 7,821,581
- Issue date Oct 26, 2010
- Broadcom Corporation
- Pieter Vorenkamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fully integrated tuner architecture
- Patent number 7,423,699
- Issue date Sep 9, 2008
- Broadcom Corporation
- Pieter Vorenkamp
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fully integrated tuner architecture
- Patent number 7,092,043
- Issue date Aug 15, 2006
- Broadcom Corporation
- Pieter Vorenkamp
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for tuning a corner frequency of a low pass filter
- Patent number 7,053,697
- Issue date May 30, 2006
- Broadcom Corporation
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated VCO having an improved tuning range over process and tem...
- Patent number 7,019,598
- Issue date Mar 28, 2006
- Broadcom Corporation
- Ralph Duncan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switched-capacitor, common-mode feedback circuit for a differential...
- Patent number 6,930,545
- Issue date Aug 16, 2005
- Broadcom Corporation
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for tuning a corner frequency of a low pass filter
- Patent number 6,894,557
- Issue date May 17, 2005
- Broadcom Corporation
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated VCO having an improved tuning range over process and tem...
- Patent number 6,803,829
- Issue date Oct 12, 2004
- Broadcom Corporation
- Ralph Duncan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switched-capacitor, common-mode feedback circuit for a differential...
- Patent number 6,781,451
- Issue date Aug 24, 2004
- Broadcom Corporation
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low pass filter corner frequency tuning circuit and method
- Patent number 6,710,644
- Issue date Mar 23, 2004
- Broadcom Corporation
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switched-capacitor, common-mode feedback circuit for a differential...
- Patent number 6,577,184
- Issue date Jun 10, 2003
- Broadcom Corporation
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System and method for narrow band PLL tuning
- Patent number 6,426,680
- Issue date Jul 30, 2002
- Broadcom Corporation
- Ralph Duncan
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Fully Integrated Tuner Architecture
- Publication number 20110067083
- Publication date Mar 17, 2011
- BROADCOM CORPORATION
- Pieter Vorenkamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fully integrated tuner architecture
- Publication number 20080284919
- Publication date Nov 20, 2008
- BROADCOM CORPORATION
- Pieter Vorenkamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fully integrated tuner architecture
- Publication number 20070077908
- Publication date Apr 5, 2007
- BROADCOM CORPORATION
- Pieter Vorenkamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for tuning a corner frequency of a low pass filter
- Publication number 20050174166
- Publication date Aug 11, 2005
- BROADCOM CORPORATION
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Integrated VCO having an improved tuning range over process and tem...
- Publication number 20050030108
- Publication date Feb 10, 2005
- Broadcom Corporation
- Ralph Duncan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switched-capacitor, common-mode feedback circuit for a differential...
- Publication number 20050017797
- Publication date Jan 27, 2005
- Broadcom Corporation
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for tuning a corner frequency of a low pass filter
- Publication number 20040183589
- Publication date Sep 23, 2004
- Broadcom Corporation
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Switched-capacitor, common-mode feedback circuit for a differential...
- Publication number 20030201825
- Publication date Oct 30, 2003
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Integrated VCO having an improved tuning range over process and tem...
- Publication number 20030030497
- Publication date Feb 13, 2003
- Broadcom Corporation
- Ralph Duncan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Low pass filter corner frequency tuning circuit and method
- Publication number 20020190783
- Publication date Dec 19, 2002
- Broadcom Corporation
- Ralph A. Duncan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Switched-capacitor, common-mode feedback circuit for a differential...
- Publication number 20020024382
- Publication date Feb 28, 2002
- Broadcom Corporation
- Tom W. Kwan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FULLY INTEGRATED TUNER ARCHITECTURE
- Publication number 20010007151
- Publication date Jul 5, 2001
- PIETER VORENKAMP
- H01 - BASIC ELECTRIC ELEMENTS

Ralph Duncan

Person

Patents Grantslast 30 patents

Fully integrated tuner architecture

Fully integrated tuner architecture

Fully integrated tuner architecture

Fully integrated tuner architecture

System for tuning a corner frequency of a low pass filter

Integrated VCO having an improved tuning range over process and tem...

Switched-capacitor, common-mode feedback circuit for a differential...

Method for tuning a corner frequency of a low pass filter

Integrated VCO having an improved tuning range over process and tem...

Switched-capacitor, common-mode feedback circuit for a differential...

Low pass filter corner frequency tuning circuit and method

Switched-capacitor, common-mode feedback circuit for a differential...

System and method for narrow band PLL tuning

Patents Applicationslast 30 patents

Fully Integrated Tuner Architecture

Fully integrated tuner architecture

Fully integrated tuner architecture

Method for tuning a corner frequency of a low pass filter

Integrated VCO having an improved tuning range over process and tem...

Switched-capacitor, common-mode feedback circuit for a differential...

Method for tuning a corner frequency of a low pass filter

Switched-capacitor, common-mode feedback circuit for a differential...

Integrated VCO having an improved tuning range over process and tem...

Low pass filter corner frequency tuning circuit and method

Switched-capacitor, common-mode feedback circuit for a differential...

FULLY INTEGRATED TUNER ARCHITECTURE