P

Inventor

JACKSON H SPENCE

US25 patents
⚠️ This page may combine multiple inventors who share the name “JACKSON H SPENCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIGMATEL INC

13 patents

MOTOROLA INC

12 patents
US5442353AAug 15, 1995

Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same

MOTOROLA INC102 citations96
US5245646ASep 14, 1993

Tuning circuit for use with an integrated continuous time analog filter

MOTOROLA INC68 citations96
US5243348ASep 7, 1993

Partitioned digital encoder and method for encoding bit groups in parallel

MOTOROLA INC76 citations96
US5243347ASep 7, 1993

Monotonic current/resistor digital-to-analog converter and method of operation

MOTOROLA INC76 citations96
US5221926AJun 22, 1993

Circuit and method for cancelling nonlinearity error associated with component value mismatches in a data converter

MOTOROLA INC68 citations96
US5283580AFeb 1, 1994

Current/resistor digital-to-analog converter having enhanced integral linearity and method of operation

MOTOROLA INC32 citations93
US5442352AAug 15, 1995

Linear attenuator for current-mode digital-to-analog converter (DAC) or the like

MOTOROLA INC25 citations92
US5329282AJul 12, 1994

Multi-bit sigma-delta analog-to-digital converter with reduced sensitivity to DAC nonlinearities

MOTOROLA INC53 citations92
US5194831AMar 16, 1993

Fully-differential relaxation-type voltage controlled oscillator and method therefor

MOTOROLA INC22 citations92
US5187445AFeb 16, 1993

Tuning circuit for continuous-time filters and method therefor

MOTOROLA INC53 citations92
US5028881AJul 2, 1991

Highly linear operational transconductance amplifier with low transconductance

MOTOROLA INC24 citations92
US5412335AMay 2, 1995

Area-efficient current-input filter, virtual ground circuit used in same, and method therefor

MOTOROLA INC19 citations74