Agilent Technologies 11867A? Manual de Serviço Página 90

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92 Chapter 5
Spectrum Analyzer
Measuring a LowLevel Signal
Spectrum Analyzer
Figure 5-17 Decreasing Resolution Bandwidth
RBW Selections
You can use the step keys to change the RBW in a 1310 sequence.
All Agilent CSA RBWs are digital. Refer to the Agilent Technologies
Specifications Guide to determine the selectivity ratio for the particular
RBW of interest. Choosing the next lower RBW for better sensitivity
increases the sweep time. Using the knob or keypad, you can select
RBWs from 10 Hz to 200 KHz in approximately 1% increments, plus
250 kHz, 300 kHz, 1 MHz, 3 MHz, and 5 MHz. This enables you to
make the trade off between sweep time and sensitivity with finer
resolution.
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