Appendix A: Specifications

A-22 CSA7000 Series, TDS7000 Series, & TDS6000 Series 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
nInternal 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
nLong 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)]