The TDS500 Series of Digitizing Oscilloscopes by Tektronix is well-suited for advanced design, manufacturing tests, R&D, and telecommunications applications. These oscilloscopes have 25 automatic measurements, hi-res, peak detect function, a TEKPROBE interface for use with the P6205 high bandwidth active probe, and advanced signal processing. The models have the following specifications: either have 2 or 2 channels, a bandwidth of 500 MHz, and sample rates of 500 MS/s or 1 GS/s. The TDS544A also has a powerful video trigger option for independent field and line triggering on every popular format, even HDTV.