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Analog Modulation
R&S
®
Spectrum Rider FPH
227
User Manual 1321.1011.02 ─ 06.00
10.3.2
Defining Frequency
The frequency defines the carrier frequency of the modulated signals.
Carrier Frequency
For more information, see
Chapter 6.2.2.1, "Defining the Center Frequency"
Carrier Frequency Step Size
For more information, see
Chapter 6.2.2.2, "Defining a Frequency Step Size"
10.3.3
Defining the Vertical Axis
Reference Level
For more information, see
Chapter 6.2.3.1, "Setting the Reference Level"
Modulation Depth
The vertical axis of the AM Domain displays the modulation depth of the amplitude
modulated signal.
1. Press [MEAS] key.
2. Select the "AM Domain" softkey
3. Press [AMPT] key
4. Select the "Dev per Division".
A drop-down menu to select the step interval on the modulation depth opens.
5. Select the step interval on the modulation depth you require.
Frequency Deviation
The vertical axis of the FM Domain displays the frequency deviation of the frequency
modulated signal.
1. Press [MEAS] key.
2. Select the "FM Domain" softkey
3. Press [AMPT] key
4. Press the "Dev per Division".
A drop-down menu to select the step interval on the frequency deviation opens.
5. Select the step interval on the frequency deviation you require.
Performing and Configuring Measurements