User Manual

The Spectrum Application (RF Measurements)
R&S
®
FPL1000
246User Manual 1178.3370.02 ─ 03
Table 7-5: Signal generator settings (e.g. R&S SMW)
Frequency 128 MHz
Level -30 dBm
Modulation 50 % AM, 1 kHz AF
1. Select PRESET to reset the instrument.
2. Set the center frequency to 128
MHz.
3. Set the frequency span to 0 Hz or select "Zero Span" .
4. Set the sweep time to 2.5 ms.
5. Set the reference level to 6 dBm and the display range to linear (AMPT > "Scale
Config" > "Scaling" : "Linear Percent" ).
6. Define triggering in response to the AF signal using the video trigger to produce a
static image.
a) Press the TRIG key.
b) Select "Video" .
c) Set the "Trg/Gate Level" to 50%.
The trigger level is displayed as a horizontal line across the entire measurement
diagram. The R&S FPL1000 displays the 1 kHz AF signal as a static image in zero
span.
Measurements and Results