MAX2203 查看數據表（PDF） - Maxim Integrated
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MAX2203 Datasheet PDF : 7 Pages
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RMS Power Detector
Typical Operating Characteristics
(VCC = 2.7V, TA = +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.)
OUTPUT VOLTAGE vs. INPUT POWER
1.6
PCS WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
0.25
CELL WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
0.06
1.4
0.20
0.05
1.2
800MHz
0.04
1.0
0.15
0.03
0.8
0.10
2000MHz
0.02
0.6
0.05
0.4
0.01
0.2
-30 -25 -20 -15 -10 -5 0 5
INPUT POWER (dBm)
0
-25 -21 -17 -13 -9 -5 -1 3
-23 -19 -15 -11 -7 -3 1 5
PIN (dBm)
0
-25 -21 -17 -13 -9 -5 -1 3
-23 -19 -15 -11 -7 -3 1 5
PIN (dBm)
LOG CONFORMANCE WITH 1dB STEP
CELLULAR BAND
0.3
LOG CONFORMANCE WITH
1dB STEP PCS BAND
0.3
LOG CONFORMANCE WITH
10dB STEP CELLULAR BAND
1.0
0.2
0.2
MEAN + 3 x STDEV
0.1
0.1
0
MEAN
0
-0.1
-0.1
-0.2
MEAN - 3 x STDEV
-0.2
-0.3
-25
-20
-15
-10
-5
0
INPUT POWER (dBm)
-0.3
-25
LOG CONFORMANCE WITH
10dB STEP PCS BAND
1.0
MEAN + 3 x STDEV
0.6
0.2
MEAN
-0.2
MEAN + 3 x STDEV
MEAN
MEAN - 3 x STDEV
-20
-15
-10
-5
0
INPUT POWER (dBm)
-0.6
-1.0
-15
MEAN - 3 x STDEV
-10
-5
0
INPUT POWER (dBm)
55-UNIT CELLULAR ROOM-COLD
TEMPERATURE ERROR
0.8
0.6
0.2
-0.2
-0.6
-1.0
-15
MEAN + 3 x STDEV
MEAN
MEAN - 3 x STDEV
-10
-5
0
INPUT POWER (dBm)
0.6
0.4
0.2
0
-0.2
-0.4 -25 -21 -17 -13 -9 -5 -1 3
-23 -19 -15 -11 -7 -3 1 5
INPUT POWER (dBm)
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