The InGaP/GaAs HBT 0.25W TQP7M9101, 0.5W TQP7M9102, 1W TQP7M9103, and 2W TQP7M9104 linear driver amplifiers from TriQuint Semiconductor target 3G/4G wireless infrastructure, general purpose wireless, and aerospace/defense systems where high linearity, medium power, and high efficiency are required. The devices are viable candidates for both current and next-generation RF transceiver applications. Each amplifier integrates dc over-voltage and RF over-drive protection and ESD protection. RICHARDSON ELECTRONICS LTD., LaFox, IL. (800) 737-6937.