DC to 30GHz Broadband MMIC Low-Noise Amplifier. The MMA025AA is an eight stage traveling wave amplifier. The amplifier has been designed for low noise, flat gain, and good return loss to 30GHz. The amplifier typically has 2.5dB NF and 18dB gain from 6-20GHz, and 16dB gain from 0.04-30GHz.