Agilent Technologies N9320A Guia do Utilizador descarregar pdf (Página 71)

Functions and Measurements 3

N9320A Spectrum Analyzer 63

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

displays 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

The reference trace is stored in trace 3, changing trace 3 to Clear

Write will invalidate the normalization.

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Agilent Technologies N9320A Guia do Utilizador Página 71