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q
Return: Returns to the main PATS screen.
q
Change Params: Returns to User Input
screen.
q
Y1, Y2: Provides for rescaling the left or right
axis.
q
Rescale: Rescales the measurement results.
q
Max/Min: Type in maximum and minimum
display value. Use Rescale after changing val
-
ues.
Markers Screen Options (left):
q
Markers slider: Moves marker between data
points.
q
Gain dB: Gain (or S21) is measured at each
CW tone as the power is swept The measure
-
ment is made in IMD mode. The Gain is actu
-
ally measured by calculating the difference be-
tween Power In (in dBm) and Power Out (in
dBm). Calibration applied is Linear Power Cal
and Receiver Cal. (Could also be called Gain
and compression measurement). The displayed
Power In level is the power of each input tone.
q
Gain dB: See above.
q
IM3U: Intermodulation product 3 upper side-
band
q
IM3L:Intermodulation product 3 lower side-
band
q
IM5U:Intermodulation product 5 upper side
-
band
q
IM5L:Intermodulation product 5 lower side
-
band
q
IM7U:Intermodulation product 7 upper side
-
band
q
IM7L:Intermodulation product 7 lower side
-
band
q
PAE: Power-added efficiency percentage.
q
Drain: Drain current value.
OPERATIONS, MEASUREMENT POWER SWEEP, TWO TONE
ME7840A OMM 5-21