The ZHL-20W-83-S+ is a Class AB, high-power amplifier providing 20W saturated power over the 4000 to 8000 MHz band, ideal for a variety of high-power test setups as well as applications including communications, radar and more. The ruggedlydesigned amplifier provides unconditional stability and built-in self-protection against reverse polarity and overheating. The amplifier’s output stage is further protected in the event of a fault condition, allowing high power operation for up to 2 minutes into an OPEN or SHORT up to 15W output power. Housed in a rugged aluminum alloy case measuring 4.3 x 6.7 x 1.4”, the unit features SMA connectors and optional heat sink and fan attachment for cooling.