1-55
Making Measurements
Measuring Amplifiers
Figure 1-44 Gain Compression Using Linear Sweep and
12.If was selected, recouple the channel stimulus by pressing:
13.To place the marker exactly on a measurement point, press:
14.To set the CW frequency before going into the power sweep mode, press:
15.Press .
If interpolation is on (the default setting), the calibration will be applied to the power
sweep.
16.Enter the start and stop power levels for the sweep.
Now channel 1 is displaying a gain compression curve. (Do not pay attention to channel
2 at this time.)
17.Press .
18.If was selected, press .
19.Press .
Now channel 2 displays absolute output power (in dBm) as a function of power input.
20.Press to change the scale of channel 2 to 10 dB per
division.
21.Press to change the scale of channel 1 to 1 dB per division.
Marker Fctn
Seq
→
Chan 2 Display
Meas
Scale Ref
x1
Chan 1 1 x1