Alexander W Hietala

Power amplifier having nested amplitude modulation controller and phase modulation controller

Multiaccumulator sigma-delta fractional-n synthesis

Power amplifier saturation detection and correction method and apparatus

Digital frequency synthesizer having AFC and modulation applied to frequency divider

Multiple bandwidth amplifier control systems for mobile stations and methods therefor

Filtering device for use in a phase locked loop controller

Power amplifier ramp up method and apparatus

Fractional n/m synthesis

Latched accumulator fractional n synthesis with residual error reduction

Multiple latched accumulator fractional N synthesis