Appendix A: Specifications
A–8
TDS3000 Series User Manual
Specifications (Cont.)
Display
Display screen 6.5 in (165 mm) diagonal color liquid crystal
Display resolution 640 horizontal by 480 vertical pixels
Backlight intensity,
typical
200 cd/m
2
Display color Up to 16 colors, fixed palette
External display filter Scratch-resistant tempered glass
I/O ports
Parallel printer port Centronics compatible, DB-25 female connector
GPIB interface Available as optional accessory TDS3GM
RS-232 interface Available as optional accessory TDS3GM or TDS3VM,
DB-9 male connector
VGA signal output Available as optional accessory TDS3VM, DB-15 female
connector, 31.6 kHz sync rate, EIA RS-343A compliant
Probe compensator
output, typical
5.0 V into ≥1 MW load,
frequency = 1 kHz
Miscellaneous
Nonvolatile memory Typical retention time ≥ 5 years for front-panel settings, unlimited
for saved waveforms and setups
Floppy disk 3.5 in, DOS format, 720 KB or 1.44 MB compatible
Internal clock Provides date/time stamp for stored data and the current time
and date to the front panel, if enabled. Year-2000 compliant.
Radiated immunity Per methods of EN50082-1 and EN61000-4-3, the increase in
trace noise is not to exceed four major divisions peak-to-peak.
Ambient RF fields may induce triggering when trigger threshold is
offset less than two major divisions from ground reference.
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