Edwin Ray Twitchell

Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system

Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components

Broadcast transmission system with distributed correction

Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system

Broadcast transmission system with single correction filter for correcting linear and non-linear distortion

Apparatus for reducing spurious frequency components in the output signal of a direct digital synthesizer

Apparatus for providing error correction data in a digital data transfer system

Device and method for digital vestigial sideband modulation

Broadcast transmission system with correction for distortion caused by amplifying and signal conditioning components at a different rate

Notch filter and method