TDS3012C Digital Phosphor Oscilloscope with 2 channels TDS3014C Digital Phosphor Oscilloscope with 100 MHz bandwidth TDS3032C Digital Phosphor Oscilloscope with 2 channels TDS3034C Digital Phosphor Oscilloscope with 4 channels TDS3052C Digital Phosphor Oscilloscope with 2 channels TDS3054C Digital Phosphor Oscilloscope with 4 channels