Agilent Technologies N4962A Uživatelská příručka stáhnout pdf (Strana 15)

Getting Started

Serial BERT 12.5 Gb/s User Guide 15

1.6 Align Clock and Data

• Press the Data Path > PRBS¯¯¯¯ button only if the DUT is inverting

o When on, the PRBS will generate an inverted output signal

• Press the Display > Scroll ↓ button and select Ø

• Press the Adjust > Config State + button to auto-set the detector phase

• Observe the Error ε light

o The light indicates errors are being measured by the error detector, if

the light is on, no error-free sampling point could be found

1.7 Make the Measurement

• Press the Receiver > On button and ensure the light is on

• Press the Display > Scroll ↓ button and view Err (error counter)

• Press the Display > Scroll ↓ button and view BER

• Press the Display > Scroll ↓ button and view є time (sec)

• Press the Receiver > On button to end the measurement

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Agilent Technologies N4962A Uživatelská příručka Strana 15