Tektronix mixed signal oscilloscopes dpo2000b series tektronix dpo2004ba1l3 the tektronix dpo2004b is a 4 channel mixed signal oscilloscopes that offers up to 70mhz bandwidth and 1gss sample rate and delivers advanced debug features at an entry level pricethe dpo2004b will quickly find and diagnose problems in complex designs with a deep record length of 1mpoints standard on all channels it will let you capture long windows of signal activity while maintaining fine timing resolution t