Anritsu AWGN MU368060A User Manual
Page 22
Section 3 Operation Overview
3-4
• Calculating the power for the calculated bandwidth
The noise generator can be explained by the following three parameters.
Noise Bandwidth:
Sets the band for the noise to be generated.
Bandwidth set here is for the flat part of the noise as shown in the
figure below.
Calculated Bandwidth:
Normally, same as the channel bandwidth for the communication
system to be measured.
Calculated Level:
Displays the power ratio of the calculated bandwidth (
part) to
the total power of the spectrum in the figure below.
Ideal spectrum for the noise signal
The power within the calculated bandwidth is therefore figured out with
the following formula:
The power within the calculated bandwidth = RF output level (total
power) + Calculated level
… (1)
Setting value for the noise
bandwidth
Carrier frequency
Setting value for the
calculated bandwidth