Anritsu MS9740B - Page 205

5.7 Measuring Optical Amplifier
5-55
5
Measurement Functions
19. Set the following items in the dialog box:
NF Select: Noise figure calculation method
ASE Fitting: Fitting method for the ASE level
Fitting Span: Wavelength width targeted for the ASE level
calculation
Masked Span: Wavelength width excluded from the ASE level
calculation
Pin Loss: Calibration factor for the optical level input
Pout Loss: Calibration factor for the optical level output
NF Cal: Calibration factor for the noise figure
O.BPF Lvl Cal: Attenuation of the optical bandpass filter
O.BPF BW: Optical bandpass filter bandwidth
For the input range, refer to Table 5.7.1-1.
20. Press
f7 Set
to update the value in the measurement result display
field.
To perform measurements without using the spectrum division method
1. Press
f1 Method
.
2. Press
f2 Spect Div Off
.
3. Perform operations 3 to 20 in the “To perform measurements using
the spectrum division method” procedures.