Agilent Technologies N4962A Guide de l'utilisateur télécharger pdf (Page 11)

Getting Started

Serial BERT 12.5 Gb/s User Guide 11

1.2 N4962A Operation Overview

The Agilent Technologies N4962A is a cost-effective serial BERT 12.5 Gb/s,

consisting of an internal clock system, PRBS generator, and error detector. It is

designed for automated production-line testing, manufacturing, characterization,

and R&D lab use. The N4962A features high-UI jitter injection and programmable

output amplitude.

Figure 1. Eye waveform

The N4962A generates a continuous bit pattern that is applied to the DUT then

fed back into the error detector. The input is automatically synchronized and

compared with the original bit stream. The bit error rate is calculated by

comparing the number of bit errors to the total number of bits transmitted. The

BER can be shown on the display and can be captured through the remote GPIB

interface.

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Agilent Technologies N4962A Guide de l'utilisateur Page 11