Rohde & Schwarz R&S FPH, Руководство пользователя

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Spectrum Analyzer Mode
R&S ® Spectrum Rider FPH
168 User Manual 1321.1011.02 ─ 06.00
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Manual
Manual selection of the attenuation.
You can check the status of the RF attenuation and the preamplifier in the "Configura-
tion Overview" dialog and in the Parameter View area.
Reference Level Preamplifier OFF
RF Attenuation
Preamplifier ON
RF Attenuation
Low Noise Low Distortion Low Noise Low Distortion
<=-40 dBm 0 dB 0 dB 0 dB 0 dB
-39 dm to -35 dBm 0 dB 0 dB 0 dB 5 dB
-34 dm to -30 dBm 0 dB 0 dB 0 dB 10 dB
-29 dBm to -25 dBm 0 dB 0 dB 0 dB 15 dB
-24 dBm to -20 dBm 0 dB 0 dB 0 dB 20 dB
-19 dBm to -15 dBm 0 dB 5 dB 5 dB 25 dB
-14 dBm to -10 dBm 0 dB 10 dB 10 dB 30 dB
-9 dBm to -5 dBm 5 dB 15 dB 15 dB 35 dB
-4 dBm to 0 dBm 10 dB 20 dB 20 dB 40 dB
1 dBm to 5 dBm 15 dB 25 dB 25 dB 40 dB
6 dBm to 10 dBm 20 dB 30 dB 30 dB 40 dB
11 dBm to 15 dBm 25 dB 35 dB 35 dB 40 dB
16 dBm to 20 dBm 30 dB 40 dB 40 dB 40 dB
21 dBm to 25 dBm 35 dB 40 dB 40 dB 40 dB
26 dBm to 30 dBm 40 dB 40 dB 40 dB 40 dB
1. Press the [AMPT] key.
2. Select the "Att / Amp / Imp" softkey.
3. Select either the "Auto Low Distortion" or the "Auto Low Noise" menu item.
The R&S Spectrum Rider sets the attenuation according to the table above.
4. Select the "Manual Att" for manual entry of the RF attenuation.
Alternatively, you can select the "ATT" softkey on the "Parameter View" to enter
manually for the RF attenuation.
The R&S Spectrum Rider opens an entry box to set the RF attenuation. You can
set the attenuation from 0 dB to 40 dB in 5 dB steps.
To indicate a manual attenuation, the R&S Spectrum Rider puts a blue dot at the
"ATT" displays on the "Parameter View".
Configuring Spectrum Measurements