TDS5104B TDS5104B Oscilloscope Tektronix with 300 ps rise time TDS5054B TDS5054B Oscilloscope Tektronix with 4 channels TDS5032B TDS5032B Digital Phosphor Oscilloscope with 2 channels TDS5034B TDS5034B Digital Phosphor Oscilloscope with 350 MHz bandwidth TDS5052B TDS5052B Digital Phosphor Oscilloscope with 2 channels TDS5054BE TDS5054BE Digital Phosphor Oscilloscope up to 16 M record length