QPL1812 Single-Ended CATV Amplifier Qorvo QPL1812 Single-Ended CATV Amplifier is a high-performance pHEMT MMIC amplifier designed to run from a single 8V supply without the need for an external dropping resistor. This 75Ω CATV amplifier features a high gain of 19dB, high linearity, and low distortion from 50MHz to 1800MHz. The QPL1812 offers an integrated active bias circuit to provide stable gain over temperature and process variations in a small SOT-89 package. Qorvo QPL1812 Single-Ended Amplifier is ideal for broadband cable applications.