Inventor

RILEY THOMAS A D

CA6 patents

⚠️ This page may combine multiple inventors who share the name “RILEY THOMAS A D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILSAR SEMICONDUCTOR INC

2 patents

US6236703B1May 22, 2001

Fractional-N divider using a delta-sigma modulator

PHILSAR SEMICONDUCTOR INC113 citations95

US6404291B1Jun 11, 2002

Linear low noise phase loop frequency synthesizer using controlled divider pulse widths

PHILSAR SEMICONDUCTOR INC52 citations90

UNIV CARLETON

1 patent

US4965531AOct 23, 1990

Frequency synthesizers having dividing ratio controlled by sigma-delta modulator

UNIV CARLETON166 citations97

CONEXANT SYSTEMS INC

1 patent

US6515553B1Feb 4, 2003

Delta-sigma based dual-port modulation scheme and calibration techniques for similar modulation schemes

CONEXANT SYSTEMS INC191 citations95

NORTHERN TELECOM LTD

1 patent

US5781044AJul 14, 1998

Delta-sigma fractional-N frequency synthesizer and frequency discriminator suitable for use therein

NORTHERN TELECOM LTD72 citations92

SKYWORKS SOLUTIONS INC

1 patent

US6570518B2May 27, 2003

Multiple stage delta sigma modulator

SKYWORKS SOLUTIONS INC56 citations90