Agilent Technologies N9320A Guia do Utilizador descarregar pdf (Página 70)

62 N9320A Spectrum Analyzer

3 Functions and Measurements

8 Normalize the trace:

Press > Tracking Generator > More > Normalize > Store Ref (1

→ 3) > Normalize (On)

This activates the trace 1 minus trace 3 function and display

the results in trace 1 (Figure 23). The normalized trace or

flat line represents 0 dB return loss. Normalization occurs

each sweep. Replace the short circuit with the DUT.

Figure 23 Short Circuit Normalized

MODE

NOTE

Since the reference trace is stored in trace 3, changing trace 3 to Clear

Write invalidates the normalization.

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Agilent Technologies N9320A Guia do Utilizador Página 70