Keysight N9340B Demo Manual page 25

Handheld spectrum analyzer
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Section 12
AM/FM, ASK/FSK Demodulation (continued)
Figure 16. FM demodulation
FM demodulation
Instruction
Connect the signal generator to the RF IN
connector and turn on the signal generator's
FM and RF output.
Set the signal generator to 100 MHz, FM; FM
deviation, 100 kHz; FM rate, 1 kHz; amplitude
–15 dBm.
Turn on the FM demodulation analysis
function.
Set the carrier frequency.
Set the attenuation state to auto.
Set the Y scale.
Set the FM deviation limit and turn on the limit
function.
Detailed metrics give you a complete understanding of the FM signal.
25
Key strokes
[MODE], rotate the knob to highlight
Demodulation Analysis, [ENTER], {FM}
{Carrier Freq}, [100], {MHz}
{More 1 of 3}, {More 2 of 3}, {Attenuation
{Auto}}, {More 3 of 3}
{Y Scale}, {Auto Scale}, {Return}
{More 1 of 3}, {Limits}, {FreqDev UP}, [11],
{kHz}, {FreqDev Low}, {9.9}, {kHz}, {Limits
on)}, {Return}

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