The Tektronix Time Domain Reflectometry (Opt. TDR) measurement solution offers a wide range of features to debug and characterize the impedance of power integrity circuits, PCBs, high-speed applications, cables, and interconnects. TDR is usually applied using specialized sampling equipment in the time domain or VNA’s looking at frequency domain data. Sampling oscilloscopes continue to be a cost-effective solution but are not as ubiquitous as real-time oscilloscopes. Tektronix offers new TDR measurement capability on versatile 4/5/6 Series B MSO real-time oscilloscopes with up to 10 GHz of acquisition bandwidth capabilities and 7.5 GHz of TDR bandwidth capabilities. Engineers can perform TDR measurements with a simple setup including the Tektronix mixed signal oscilloscope, TDR module, and either SMA cables or TDR probe.