Improve Dynamic Range; Source Enable And Source Mode - Keysight Technologies FieldFox A Series User Manual

ERTA (Extended Range Transmission Analysis) Mode - Option 209
Configure Measurement Settings

Improve Dynamic Range

The following settings can be made to reduce measurement noise which
improves Dynamic Range.
Increase source power as much as possible while maintaining a leveled source.
How to set Source Power
— Press Meas Setup 4
— Then
— Then
— Then either
— Reduce Attenuation to 5 dB, then turn the Preamp ON. Learn how in
— Decrease the Res BW. Learn how in
— Set Frequency Reference to GPS on both units. This requires Option 307

Source Enable and Source Mode

When Source Enable [OFF] is selected, or when Source Mode [CW or
CoupledCW] is selected, then synchronization ends and the two partner units
revert to general SA (non-tracking) sweeps. However, the units are still in
partnership, and other settings continue to be synchronized such as
Frequencies, ResBw, and Points.
508
Remote Source
Source Power
Max Power
unleveled warning appears. Then decrease power until power is again
leveled.
To further reduce measurement noise, on the Receiver unit:
"Preamplifier Control (Opt 235)" on page
page 165.
(Built-in GPS) and two GPS antennae. The GPS reference can be enabled
for several sweeps. Then if you move to a location without an adequate GPS
signal, Hold-over Mode will occur. Learn more about GPS as a frequency
reference in "Frequency Reference Source" on page
or Leveled - Increase source power until the
155.
"Resolution Bandwidth (Res BW)" on
Keysight N9927-90001 User's Guide
654.