Si la base de temps d'un fréquencemètre est d'une précision nominale de plus ou moins 0,1 PPM (parties par million), quelle serait l'erreur maximale sur une fréquence de 146 520 000 Hz?

Why

A time base accuracy of plus or minus 0.1 parts per million means the error is 0.1 for every one million hertz of the reading. The full explanation — and one for every question — is in Pro.

Practise this section

Measurements is section A-003 of the Advanced exam: Measurements: meters, oscilloscopes, counters, signal generators, and what a reading actually tells you.

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