RFMW, Ltd. announces design and sales support for a series of Darlington pair SiGe gain block amplifiers from Qorvo. Operating over a frequency range of DC to 5000MHz, these gain blocks (QPA2286A, QPA4486A and QPA4586A) offer gain and output power options for applications in LTE infrastructure, repeaters, Test & Measurement and defense. With single supply operation, these cascadable gain blocks are available in SOT-86 packaging.