R&S ESR Series User Manual page 117

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R&S ESR
Displaying the AF of an FM-Modulated Carrier
Test setup
Table 3-11: Signal generator settings (e.g. R&S SMU)
Frequency
Level
Modulation
1. Set the signal analyzer to the default state by pressing the [PRESET] key.
The R&S ESR is set to its default state.
2. Select "Spectrum" mode.
3. Set the center frequency to 127.50 MHz and the span to 300 kHz.
a) Press the [FREQ] key and enter 127.50 MHz.
b) Press the [SPAN] key and enter 300 kHz.
4. Set the resolution bandwidth to 300 kHz.
a) Press the [BW] key.
b) Press the "Res BW Manual" softkey and enter 300 kHz.
c) Press the "Video BW Manual" softkey and enter 30 kHz.
5. Set the display range to 20 dB and shift the filter trace to the center of the screen.
a) Press the [AMPT] key.
b) Press the "Range" softkey
c) Press the "Range Log Manual" softkey and enter 20 dB.
d) Press the "Up↑" softkey.
e) Press the "More" softkey.
f)
g) Press the "Up↑" softkey.
h) Press the "Ref Level" softkey.
User Manual 1175.7068.02 ─ 12
Switch the "Grid" softkey to "Rel".
Basic Measurement Examples
128 MHz
-20 dBm
FM 0 kHz deviation (i.e. FM modulation is deactiva-
ted), 1 kHz AF
Quick Start
114