Technical data

Chapter 16 419
Spectrum Analyzer
Using the Spectrum Analyzer
Spectrum Analyzer
rate.
Using the Range Control Function:
Setting the Analyzer Input Gain
Normally the E7495A/B is set to add the most gain in the receive path to boost
low-level signals. If the signal is high, there is no reason to add gain. When you’re
measuring a strong signal, select low sensitivity to reduce the gain in the receive
path and lower the noise floor. For a low level signal, select high.
Step Notes
1 Set the Range Ctrl to
Hold.
a. [Setup]
b. [Range Ctrl]
c. On [Range Ctrl]
select [Hold]
d. Select [Range Up]
or [Range Down]
Each time you press this softkey, the selected
option changes.
Use the Range Up or Range Down menu keys
to adjust the gain to ensure the accuracy of the
measurement results.
2 Set the Range Ctrl to
Max.
a. [Setup]
b. [Range Ctrl]
c. On [Range Ctrl]
select [Max]
For more information on the autoranging feature,
refer to the note above.
Step Notes
1. [Setup]