Appendix B: Specification
Appendices
AĆ14
Table A-9: Nominal Traits — Time Base System
Name
Description
TDS 620: Range, Sample–Rate
1,3
10 Samples/sec to 2 GSamples/sec on two channels simultaneously
TDS 640: Range, Sample–Rate
1,3
10 Samples/sec to 2 GSamples/sec on four channels simultaneously
Range, Interpolated Waveform Rate
2,3
5 GSamples/sec to 100 GSamples/sec
(200 ps/Sample to 10 ps/Sample)
Range, Seconds/Division
500 ps/div to 5 s/div
Range, Time Base Delay Time
16 ns to 250 seconds
Record Length
500 samples, 1000 samples, 2000 samples
1
The range of real-time rates, expressed in samples/second, at which a digitizer samples signals at its inputs and stores the
samples in memory to produce a record of time-sequential samples.
2
The range of waveform rates for interpolated waveform records.
3
The Waveform Rate (WR) is the equivalent sample rate of a waveform record. For a waveform record acquired by real-time
sampling of a single acquisition, the waveform rate is the same as the real-time sample rate; for a waveform created by interpola-
tion of real-time samples from a single acquisition, the waveform rate is faster than the real time sample rate. For both cases, the
waveform rate is 1/(Waveform Interval) for the waveform record, where the waveform interval (WI) is the time between the sam-
ples in the waveform record.
Table A-10: Nominal Traits — Triggering System
Name
Description
Range, Delayed Trigger Time Delay
16 ns to 250 seconds
Range, Events Delay
2 to 10,000,000
Range (Time) for Pulse-Glitch or Pulse-
Width Triggering
2 ns to 1 s
Ranges, Trigger Level or Threshold
Source
Any Channel
Auxiliary
Line
Range
screen
V
V
Содержание TDS 620
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