Rainbow Electronics MAX2203 - Manual (Page 3)

MAX2203
RMS Power Detector
_______________________________________________________________________________________ 3
OUTPUT VOLTAGE vs. INPUT POWER
MAX2203 toc01
INPUT POWER (dBm)
OUTPUT VOLTAGE (V)
0 -5 -10 -15 -20 -25
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.2
-30 5
2000MHz
800MHz
PCS WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
MAX2203 toc02
P IN (dBm)
RMS ERROR (dB)
0.05
0.10
0.15
0.20
0.25
0
-25
-23
-21
-19
-17
-15
-13
-11 -7 -3
-9 -5
1
-1
5
3
CELL WCDMA 1+1 vs. 1+5 RMS ERROR
(± DEVIATION FROM MIDPOINT)
MAX2203 toc03
P IN (dBm)
RMS ERROR (dB) 0.02
0.01
0.03
0.04
0.05
0.06
0
-25
-23
-21
-19
-17
-15
-13
-11 -7 -3
-9 -5
1
-1
5
3
-5 -10 -15 -20 -25 0
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
INPUT POWER (dBm)
LOG CONFORMANCE (dB)
LOG CONFORMANCE WITH 1dB STEP
CELLULAR BAND
MEAN + 3 x STDEV
MEAN
MAX2203 toc04
MEAN - 3 x STDEV
-5 -10 -15 -20 -25 0
-0.2
-0.1
0
0.1
0.2
0.3
-0.3
INPUT POWER (dBm)
LOG CONFORMANCE (dB)
LOG CONFORMANCE WITH
1dB STEP PCS BAND
MEAN + 3 x STDEV
MEAN
MAX2203 toc05
MEAN - 3 x STDEV
LOG CONFORMANCE WITH
10dB STEP CELLULAR BAND
INPUT POWER (dBm)
LOG CONFORMANCE (dB)
-5 -10
-0.6
-0.2
0.2
0.6
1.0
-1.0
-15 0
MAX2203 toc06
MEAN + 3 x STDEV
MEAN
MEAN - 3 x STDEV
LOG CONFORMANCE WITH
10dB STEP PCS BAND
INPUT POWER (dBm)
LOG CONFORMANCE (dB)
-5 -10
-0.6
-0.2
0.2
0.6
1.0
-1.0
-15 0
MAX2203 toc07
MEAN + 3 x STDEV
MEAN
MEAN - 3 x STDEV
55-UNIT CELLULAR ROOM-COLD
TEMPERATURE ERROR
MAX2203 toc08
INPUT POWER (dBm)
TEMPERATURE ERROR (dB)
0
-0.2
0.2
0.4
0.6
0.8
-0.4
-25
-23
-21
-19
-17
-15
-13
-11 -7 -3
-9 -5
1
-1
5
3
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.)