The Agilent-Hp 70843B is an integral component of 71612B system; 1Gb/s to 12Gb/s bit rate, 27-1 TO 231-1 patterns, Less than 30ps transition time, Less than 15pspp jitter; Data and data outputs: 0.5V to 2Vpp amplitude, High level +1.5V to -3.0V; Option UHF: Error perforomance analyzer system with clock source; Call for configurations on the 70843B.