09.12.2012 Views

HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

SP Span<br />

Description<br />

The frequency span readout refers to the displayed frequency range. Dividing the readout by<br />

10 yields the frequency span per division.<br />

If resolution <strong>and</strong> video b<strong>and</strong>widths are coupled to the span width, the b<strong>and</strong>widths change with<br />

the span width to provide a predetermined level of resolution <strong>and</strong> noise averaging. Likewise,<br />

the sweep time changes to maintain a calibrated display, if coupled. All of these functions are<br />

normally coupled, unless RB, VB, or ST have been executed.<br />

Because span is affected by frequency, change the frequency before changing span (see<br />

“HNLOCK”). For the <strong>HP</strong> 8592L <strong>and</strong> <strong>HP</strong> 85933, the span can be set to include b<strong>and</strong> 0 <strong>and</strong> b<strong>and</strong><br />

1 except in single-sweep mode.<br />

Specifying 0 Hz enables zero-span mode, which configures the spectrum analyzer as a<br />

fixed-tuned receiver.<br />

Query Response<br />

5-499 Programming Comm<strong>and</strong>s<br />

001

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!