RMS Power Detector
Typical Operating Characteristics
(V CC = 2.7V, T A = +25°C, WCDMA uplink DPCCH + 1DPDCH, log conformance calculation is referenced to a straight line that is
calibrated at -20dBm and 0dBm, unless otherwise noted.)
1.6
1.4
OUTPUT VOLTAGE vs. INPUT POWER
0.25
0.20
PCS WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
0.06
0.05
CELL WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
1.2
1.0
800MHz
0.15
0.04
0.03
0.8
0.6
0.4
2000MHz
0.10
0.05
0.02
0.01
0.2
-30
-25
-20 -15 -10 -5
INPUT POWER (dBm)
0
5
0
-25
-23
-21
-19
-17
-15
-13 -9 -5
-11 -7 -3
P IN (dBm)
-1
1
3
5
0
-25
-23
-21
-19
-17
-15
-13 -9 -5
-11 -7 -3
P IN (dBm)
-1
1
3
5
0.3
LOG CONFORMANCE WITH 1dB STEP
CELLULAR BAND
0.3
LOG CONFORMANCE WITH
1dB STEP PCS BAND
1.0
LOG CONFORMANCE WITH
10dB STEP CELLULAR BAND
0.2
0.1
MEAN + 3 x STDEV
0.2
0.1
MEAN + 3 x STDEV
0.6
0.2
MEAN + 3 x STDEV
0
MEAN
0
MEAN
-0.2
MEAN
-0.1
-0.1
-0.2
MEAN - 3 x STDEV
-0.2
MEAN - 3 x STDEV
-0.6
MEAN - 3 x STDEV
-0.3
-0.3
-1.0
-25
-20
-15
-10
-5
0
-25
-20
-15
-10
-5
0
-15
-10
-5
0
INPUT POWER (dBm)
INPUT POWER (dBm)
INPUT POWER (dBm)
1.0
0.6
LOG CONFORMANCE WITH
10dB STEP PCS BAND
MEAN + 3 x STDEV
0.8
0.6
0.4
55-UNIT CELLULAR ROOM-COLD
TEMPERATURE ERROR
0.2
0.2
-0.2
-0.6
MEAN - 3 x STDEV
MEAN
0
-0.2
-1.0
-15
-10 -5
INPUT POWER (dBm)
0
-0.4
-25
-23
-21
-19
-17 -13 -9 -5
-15 -11 -7 -3
INPUT POWER (dBm)
-1
1
3
5
_______________________________________________________________________________________
3
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