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R&S
®
FSVA/FSV
154Operating Manual 1176.7510.02 ─ 09
increases towards the carrier is dominant in the channel to be measured, or if there are
discrete spurious signals in the channel, the channel power measurement method
must be used to obtain correct measurement results.
Measurement Example – Measuring the Intrinsic Noise of the R&S FSVA/FSV at 1
GHz in a 1.23 MHz Channel Bandwidth with the Channel Power Function
Test setup:
► Leave the RF input of the R&S FSVA/FSV open-circuited or terminate it with 50 Ω.
Procedure:
1. Set the R&S FSVA/FSV to its default state by pressing the PRESET key.
The R&S FSVA/FSV is in its default state.
2. Set the center frequency to 1 GHz and the span to 1 MHz.
3. To obtain maximum sensitivity, set RF attenuation on the R&S FSVA/FSV to 0 dB.
4. Set the "Sweep Type" to "Sweep".
5. Switch on and configure the channel power measurement.
a) Press the MEAS key.
b) Press the "Ch Power/ACLR" softkey.
The R&S FSVA/FSV activates the channel or adjacent channel power mea-
surement according to the currently set configuration.
c) Press the "CP/ACLR Settings" softkey.
d) Press the "Channel Settings" softkey.
e) Press the "Channel Bandwidth" softkey and enter 1.23 MHz.
The R&S FSVA/FSV displays the 1.23 MHz channel as two vertical lines which
are symmetrical to the center frequency.
Advanced Measurement Examples
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