The Amplifier Rsearch Model CWM2055 is a broadband linear high power amplifier suitable for HDTV applications. This high efficient (better than 20%) power amplifier is designed with the latest generation of LDMOS devices and exceptional RF circuitry that provides high linearity, good dynamic range, broadband matching and unconditional stability This 150 Watts linear power amplifier has a minimum gain of 55dB and is suitable for 8VSB and other types of modulation protocols. The Power Amplifier is protected from infinite VSWR, over power and temperature and all necessary controls and alarm that is required in modern communication system. The module comprises a printed wiring assembly housed in a machined aluminum enclosure. Cooling requirements are defined by the over-temperature shutdown limits listed below.