3-15 Measurements Menu Interference Analyzer (Option 25)
3-54 PN: 10580-00349 Rev. H Spectrum Analyzer MG
AM/FM Demod 1/2 Menu
Key Sequence: Measurements > Spectrum > AM/FM Demod
On/Off: Turns AM/FM Demodulation on or off.
Demod Type: Provides submenu keys to select the type of signal to be
demodulated (refer to “Demod Type Menu” on page 3-55):
FM Wide Band
FM Narrow Band
AM
USB
LSB
Demod Freq: Use the keypad, directional arrow keys, or the rotary knob to
enter the center frequency of the signal to be demodulated. When using the
numeric keypad, press a unit key or press Enter for values in MHz. This
frequency does not have to be within the current frequency sweep range to
which the instrument is set.
Demod Time: Use the keypad, directional arrow keys, or the rotary knob to
increase or decrease the demodulation time, and press the Enter key to
select. The demodulation time can be set from 100 milliseconds to
500 seconds. The instrument sweeps one time for every demodulation
period. Sweeping pauses during the demodulation time.
Set Demod Freq to Current Marker Freq: Sets the demodulation
frequency to the frequency of the current marker.
Volume: The current volume setting is displayed on the screen. Use the up
or down arrow keys or rotary knob to change the volume, and press the
Enter key to select.
More: Opens the “AM/FM Demod 2/2 Menu” on page 3-56.
Back: Returns to the “[Spectrum] Measure Menu” on page 3-42.
Figure 3-48. IA AM/FM Demod Menu
Demod Type
AM/FM Demod 1/2
Demod Freq
10.350 MHz
Demod Time
3 s
Volume
Set Demod Freq
to Current
Marker Freq
Back
On
Off
More
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