Datasheet

MAX2204
RF Power Detector
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX2204 Evaluation Kit, typical values are at V
CC
= 2.85V, ENA = 2.0V, T
A
= +25°C, modulation equals CW, unless otherwise noted.)
OUTPUT VOLTAGE vs. INPUT POWER
AT 836MHz WITH RESISTIVE TAP
P
IN
(dBm)
V
OUT
(V)
MAX2204 toc09
0 5 10 15 20 25 30
0
0.5
1.0
1.5
2.0
2.5
f = 836MHz
R = 3kΩ
OUTPUT VOLTAGE vs. INPUT POWER
AT 1880MHz WITH RESISTIVE TAP
P
IN
(dBm)
V
OUT
(V)
MAX2204 toc10
0 5 10 15 20 25 30
0
0.5
1.0
1.5
2.0
2.5
f = 1880MHz
R = 1.5kΩ
200µs/div
RESPONSE TIME
MAX2204 toc11
V
OUT
200mV/div
ENA
1V/div
DEVIATION FROM DPCCH+1DPDCH, 1950MHz
P
IN
(dBm)
DEVIATION (dB)
MAX2204 toc12
-25 -20 -15 -10 -5 0 5 10
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
DPCCH+5DPDCH
DPCCH+4DPDCH
DPCCH+3DPDCH
DPCCH+2DPDCH
f = 1950MHz
OUTPUT VOLTAGE vs. INPUT POWER
WITH WCDMA DOWNLINK
P
IN
(dBm)
V
OUT
(V)
MAX2204 toc13
-20 -15 -10 -5 0 5 10
0
0.5
1.0
1.5
2.0
2.5
1 DPCH
PCPCH + SCH
3 DPCH,
PCPCH + SCH + 1DPCH,
PCPCH + SCH + 3DPCH
f = 2140MHz