SE2525L
RangeCharger™ 2.4GHz Power Amplifier with Power Detector
Preliminary Information
Internal Coupled Power Detector
Internal Coupled Positive Slope
Conditions:
V
CC = VEN = 3.3 V, f = 2.45 GHz, V
GND, T = 25 °C, as measured on SiGe Semiconductor’s SE2525L-EV1 evaluation board, unless
otherwise noted
B
connected to VREG, SLOPESEL = Open Circuit, VDET IN/DETSEL =
A
Symbol
Parameter
OUT detect range
Conditions
Min.
Typ.
Max.
Unit
PDR
VDET
VDET
VDET
PDZOUT
P
-
0
-
-
P
1dB
dBm
V
Detector voltage
Detector voltage
Detector voltage
Output Impedance
P
P
P
OUT = 23 dBm
1.15
0.73
0.35
-
-
OUT = 19 dBm
-
-
V
OUT = NO RF
-
-
700
-
V
-
-
250
10
Ω
PDZLOAD DC load impedance
-
kΩ
Internal Coupled Negative Slope
Conditions:
V
V
CC = VEN = 3.3 V, f = 2.45 GHz, V
B
connected to VREG, VDETOUT load = 2.4 kΩ to ground, SLOPESEL =
DET IN/DETSEL = GND, T = 25 °C, as measured on SiGe Semiconductor’s SE2525L-EV1 evaluation
A
board, unless otherwise noted
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
PDR
VDET
VDET
VDET
P
OUT detect range
Detector voltage
Detector voltage
Detector voltage
-
0
-
-
P
1dB
dBm
V
P
P
P
OUT = 23 dBm
0.42
0.64
0.90
-
-
-
OUT = 19 dBm
OUT = NO RF
-
V
-
V
SE2525L Internal Coupled Power Detector
(Positive)
SE2525L Internal Coupled Power Detector
(Negative)
2.2
2
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
6
8
10 12 14 16 18 20 22 24 26 28
7
9
11
13
15
17
19
21
23
25
Output Power (dBm)
Output Power (dBm)
Figure 3: SE2525L Internal Coupled Power Detector Characteristic
28-DST-01 Rev 2.1 Apr-25-2006
Confidential
6 of 12
QA042506
SIGE [ SIGE SEMICONDUCTOR, INC. ]
