Rohde & Schwarz R&S FPH, Руководство пользователя

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Receiver Mode
R&S ® Spectrum Rider FPH
258 User Manual 1321.1011.02 ─ 06.00
12.1.1.1 Defining the Receive Frequency
Channel frequency scan
The R&S Spectrum Rider performs a scan of maximum 711 sweep points across the
spectrum span.
In single frequency measurement mode, the R&S Spectrum Rider determines the
power level of a single frequency only. The available frequency range depends on the
R&S Spectrum Rider that you are using.
1. Press the [FREQ] key.
2. Select the "Frequency" softkey.
The R&S Spectrum Rider opens an input field to define the frequency input.
For a quick change of frequencies with the rotary knob, define a frequency stepsize.
1. Select the "Freq Step" softkey.
The R&S Spectrum Rider opens a submenu that contains possible step sizes. See
Defining a frequency step size .
2. Select the step size you need from the menu.
The R&S Spectrum Rider adjusts the step size accordingly.
For measurements on systems that use channels instead of single frequencies, you
can also load a channel table and measure the channel power. See Working with
channel tables .
1. Select the "Freq Mode" softkey.
The R&S Spectrum Rider opens a submenu that contains the channel menu items.
2. Select the "Channel Downlink" or "Channel Uplink" menu item.
The R&S Spectrum Rider opens the "File Manager" dialog to select a channel
table.
3. Select one of the available channel tables.
12.1.1.2 Customizing the Bargraph Aspects
The bargraph is a graphical representation of the power level with one dimension, the
power level of the receive frequency. The R&S Spectrum Rider provides several ways
to customize the aspects of the bargraph.
Selecting the unit
By default, the unit the R&S Spectrum Rider uses in receiver mode for the measured
power levels in general is dB
µ
V. In addition to dB
µ
V, the receiver mode provides other
units as well.
Selecting the Measurement Mode