SE2521A60
RangeCharger™ 2.4 GHz Wireless LAN Front End
Power Detector Characteristics
Conditions:
V
CC = VEN = 3.3 V, T
A
= 25 °C, as measured on SiGe Semiconductor’s SE2521A60-EV1 evaluation
board (de-embedded to device), unless otherwise noted.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
F
OUT
Frequency Range
-
2400
-
2500
MHz
Power detect range,
peak power
Measured at ANT_A or
ANT_B
PDR
0
1
-
-
-
20
-
dBm
Mohm
V
PDZLOAD
PDVNoRF
DC load impedance
-
-
Output Voltage, POUT
No RF
=
=
=
0.90
1.02
Output Voltage, POUT
18dBm
PDVp18
PDVp20
-
-
0.44
0.28
-
-
0.66
0.51
V
V
Output Voltage, POUT
20dBm
Power detect low pass
filter -3dB corner
frequency
PDZLOAD = >1 Mohm,
PDCLOAD = 180 pF
LPF-3dB
270
330
400
KHz
Note: Power detector internal impedance is 2.7 KOhm
Power Detector Response Characteristic
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
6
8
10
12
14
16
18
20
22
Output Power (dBm)
Figure 3: SE2521A60 Power Detector Performance Curve
177-DST-01 Rev 1.4 Apr-04-2006
Confidential
7 of 16
QA040406
SIGE [ SIGE SEMICONDUCTOR, INC. ]
