The TDS644A 4 Channel Digitizing Oscilloscope has a real-time bandwidth of 500MHz and a sample rate of 2 GS/s. The unit has a maximum record length of 2,000 points per channel. Other features include:
Waveform Math and Advanced Waveform DSP
Color VGA Display
3.5" DOS Format Floppy Drive
RS-232, Centronics, GPIB and VGA I/O Ports
Options:
13 - RS-232/Centronics Hardcopy Interface (Standard on TDS 524A & TDS 544A)
1F - File System (Standard on TDS 524A & TDS 544A)
2F - Advanced DSP Math (Standard on TDS 524A & TDS 544A)