3.0 GHz Spectrum Analyzer GSP830 User Manual

3.0 GHz Spectrum Analyzer GSP830 User Manual
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3.0 GHz Spectrum Analyzer GSP830 User Manual

  • GSP-830 User Manual 96 Select RBW (Resolution BandWidth) Background RBW (Resolution Bandwidth) defines the width of the IF (intermediate frequency) filter that is used to separate signal peaks from one another. The narrower the RBW, the greater the capability to separate signals at close frequencies. But it also makes the sweep time longer under specific frequency span (the display is updated less frequently). See page99 for suitable RBW selection. Panel operation 1. Press the BW key. BW 2. Press F1 (RBW) to select Auto or Manual. RBWAuto ManF 1 3. When Man (manual) is selected, use the Arrow keys or Scroll knob to select the RBW. The selected RBW appears in the command window. RBW: 30kHzMode Auto RBW is automatically selected. See page99 for the setting. Manual RBW is manually selected. The BW icon appears at the bottom of the display. Range See page99 for RBW reference setting according to the frequency span. RBW Recommended span Standard/ Optional 300Hz Span<30kHz Optional (300Hz RBW) 3kHz Span<300kHz Standard 9kHz 300kHz≤Span<600kHz Optional (EMI Filter - page146) 10kHz 300kHz≤Span<1MHz Optional (10k/ 100kHz RBW) 30kHz 300kHz≤Span<6MHz Standard