Appendix A: Specifications
A-22
CSA7000 Series, TDS7000 Series, & TDS6000 S eries Instruments User Manual
Table A- 3: Horizontal and acquisition system specifications (Cont.)
Characteristic Description
Update rate, maximum
CSA7404, CSA7154, TDS7404,
TDS7254, & TDS7154
Fast Acquisition on: 400,000 waveforms per second
Fast Acquisition off: 130 waveforms per second
TDS7104 & TDS7054 Up to 200,000 waveforms per second, Fast Acquisition on
Up to 130 waveforms per second, Fast Acquisition off
n Internal time-base reference frequency
CSA7404, CSA7154, TDS7404, TDS7254,
TDS7154, TDS6604, & TDS6404
10 MHz 2.5 ppm over any ≥100 ms interval. Aging <1 ppm per year
n Long term sample rate and delay time
accuracy
CSA7404, CSA7154, TDS7404,
TDS7254, TDS7154,
TDS6604, & TDS6404
±2.5 ppm over any ≥100 ms interval. Aging <1 ppm per year
TDS7104 & TDS7054 ±15 ppm over any ≥ 1 ms interval
Aperture uncertainty, typical
CSA7404, CSA7154, TDS7404,
TDS7254, TDS7154,
TDS6604, & TDS6404
Short term:
≤1.5 ps rms, records having duration ≤100 ms.
≤800 fs rms, records having duration ≤10 s
Long term:
≤15 parts per trillion rms, records having duration ≤1 minute
TDS7104 & TDS7054 ≤ [3 ps + (0.1 ppm × record duration)]
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