Spectrum Analyzer Mode: Spectrum Mode Operation
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This mode guides the user through the measurement of
Composite Second Order and Composite Triple Beat products.
Fig. 7-2 shows the instrument’s capability as spectrum analyzer. The full
range is 5 MHz to 1,000 MHz, with a span of ± 1.5, 2.5, 5, 10, or 25 MHz
around the specified center frequency. For use along the return path, with
low pass filters engaged, the spectrum is reduced to 5 MHz to 50 MHz.
Notice that the reference level (represented by the top graticule line) value is
in dBmV and scale factor is in dB/div (typically 10dB/div for spectrum
viewing), and are displayed at the top of the graph.
Fig. 7-2 Spectrum Mode Full Sweep
There are five submenus available from the SPECTRUM screen: LEVEL,
FREQUENCY, AMPLIFIER/LOW-PASS FILTER, ZERO SPAN, and CSO/
CTB.
See Also
½ Zero Span mode is also covered in Chapter 5, "Reverse
Path Troubleshooting" (page 104).
½ CSO/CTB mode operation is covered in Chapter 6, in the
section "CSO/CTB Measurements" (page 128).
The following sections describe the soft key functions and operation of the
these submenus.
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