Agilent Technologies Cell Phone S GSM Manual do Utilizador descarregar pdf (Página 53)

100

101

2-25

Making Measurements

Measurements

NOTE The RF Generator and spectrum analyzer can be tuned to different frequencies

allowing the inspection of the IF signals inside the mobile phone.

Figure 2-12 Spectrum Analyzer Measurement

Use the MeasReset (2) to reset the trace and measurements in the Agilent 8922M/

S. This is useful if you are using the Max Hold ﬁeld (3).

The resolution bandwidth of the spectrum analyzer is automatically coupled to the

frequency span. Reducing the span to less than 200 kHz can be useful when

checking the mobile phone’s transmitter.

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