Tektronix Thermometer P6249 Bedienungsanleitung PDF herunterladen (Seite 58)

Performance Verification

P6249 4 GHz 5X Active Probe Instruction Manual

NOTE. Do not touch the probe tip adapter when making calibration

measurements. Measurement accuracy is degraded when the probe

tip adapter is handled.

12. Use the oscilloscope measurement capability to display rise time.

Rise time is determined from the 10% and 90% amplitude points

on the waveform. Record the rise time as t

s+p

13. Calculate the probe only rise time using the following formula:

+ t

(s)p)

* t

14. Check that the calculated rise time meets the probe specification.

The rise time (t

) must be v120 ps.

15. Record the results on the test record.

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Tektronix Thermometer P6249 Bedienungsanleitung Seite 58