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Frequency Count
Frequency Span
Resolution
Displays the frequency of the signal on whose response the marker is
positioned. The marker must be positioned at least 20 dB above the
noise or the intersection of the signal with an adjacent signal, and
more than four divisions up from the bottom of the display.
Counter resolution is normally a function of frequency span, but may
be specified directly using ISHIFT_] (YJ
Frequency Count Accuracy
+ 2 x frequency counter resolution]
+ 10 Hz + 2 x frequency counter resolution]
Resolution Bandwidth
3 dB bandwidths of 10 Hz to 3 MHz in a 1, 3, 10 sequence. Bandwidth
may be selected manually or coupled to frequency span (AUTO mode).
3 dB Bandwidth Accuracy*
Bandwidth
3
MHz
3
10 Hz to 1 kHz
60 dB to 3 dB Bandwidth Selectivity Ratio*
Bandwidth
100 kHz to 3 MHz
3
Accuracy
Accuracy
Specifications 3-3
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