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Performance Tests
Test 2 - Phase Noise and Spurs (mW LO)
e. If necessary, make the other module active by pressing the
key followed by the
display the module's softkeys.
7. Run the phase-noise measurement
When the phase-noise measurement program stops to prompt a zero-beat
adjustment, do the following:
a. Turn the HP 70428A Option K01 on.
b. Adjust the pot on the HP 70428A Option K01 for a zero beat within
50 kHz. If necessary, switch the NORMAL/REVERSE switch and
turn the pot in the other direction.
c. Press
to continue measurement.
Proceed
8. Print a graph and parameter summary
On the HP 3048A controller press the
Press the
to display the module's softkeys.
MENU
14-20 HP 70427A/HP 70428A User's Guide
softkey. Press the
NEXT INSTR
and the
SHIFT
Hard Copy
DISPLAY
to
MENU
softkey.
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