James E. Mitzlaff

Bias circuit for a power amplifier

Method and apparatus for calibrating location finding equipment within a communication system

Multi-level power amplifying circuitry for portable radio transceivers

Power control circuitry for achieving wide dynamic range in a transmitter

Method for tuning an envelope tracking amplification system

Three-dimensional microwave circuit carrier and integral waveguide coupler

Wireless in-building telecommunications system for voice and data communications

Wideband linear amplifier with predistortion error correction

High efficiency wideband linear wireless power amplifier

Apparatus and method for performing error corrected amplification in a radio frequency system