Delivering a bandwidth up to 1 GHz, the Tektronix TDS684B is a four-channel oscilloscope that has a sample rate of 5 Gs/s. It offers 8-Bit vertical resolution and features a color VGA display. The Digital Real-Time architecture of this Tektronix device makes it easy to capture the intermittent signals caused by setup and hold time violations. Moreover, it records 15000 points.