The Keysight Technologies N4970A PRBS generator 10 Gb/s is a self-contained 10 Gb/s pseudo random bit sequence (PRBS) generator. The N4970A PRBS generator 10 Gb/s can be configured to use an external clock source allowing operation from 50 Mb/s to 12.5 Gb/s. Five different PRBS pattern lengths and three mark density ratios are available via user selectable jumpers. Differential data outputs provide CML compatible signal levels via the front panel SMA connectors.