Cdma Signal Measurements; Figure 5-6 Cdma (Is-95A): 9Ch Fwd - Keysight N1911A User Manual

CDMA signal measurements

Figure 5-5
signal. In these examples, the error is determined by measuring the source at the
amplitude of interest, with and without CDMA modulation, adding attenuation
until the difference between the two values stops changing. The CW sensor in
Figure 5-5
law operating region.
Figure 5-5
Figure 5-6
Keysight N1911A/1912A User's Guide
and Figure 5-6
uses correction factors to correct for power levels beyond its square
1.2
1
0.8
0.6
0.4
0.2
0
-30 -20 -10
0.2
Power (dBm)
Wideband CDMA error of E-Series E9300 power sensor versus
corrected CW sensor.
0.1
0.05
-30 -20 -10
-0.05
-0.1
-0.15
-0.2
Power (dBm)
CDMA (IS-95A): 9Ch Fwd
Using E9300 E-Series Power Sensors
show typical results obtained when measuring a CDMA
0 10
20
0
10
0 20
Lower Range Error
Upper Range Error
CW Sensor Error
30
Lower Range Error
Upper Range Error
30
(E9300 E-Series power
sensor only shown)
5
193