The RT-50 consists of a high-power, 50-Ohm termination mounted in a box with a heat sink. It is used to terminate the gated amplifier output and preserve pulse fidelity when a high-impedance load is used. The RT-50 can also be used to terminate the high-power attenuators. It is rated for 1400 V peak-to-peak (Vpp) at a 0.2 % duty cycle. This translates to a maximum average power of approximately 10 Watts.