Technical data
92 Chapter 5 
Spectrum Analyzer
Measuring a Low−Level Signal
Spectrum Analyzer
Figure 5-17 Decreasing Resolution Bandwidth
RBW Selections
You can use the step keys to change the RBW in a 1−3−10 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.










