se2545a23 SiGe Semiconductor, se2545a23 Datasheet - Page 12

• Manufacturer Part Number: se2545a23
• Description: Dual Band 802.11n Wireless Lan Front End
• Manufacturer: SiGe Semiconductor

5 GHz Power Detector Characteristic
Conditions: V
Note 2: The SE2545A23 provides the following load: PDZ
218-DST-01 Rev 1.1 Aug-31-2006
PDZ
PDV
Symbol
(Note 2)
LPF
PDV
PDV
PDR
F
OUT
LOAD
NoRF
-3dB
p15
p18
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
7
measured on SiGe Semiconductor’s SE2545A23-EV1 evaluation board (de-embedded to device), all
unused ports terminated with 50 ohms, unless otherwise noted.
Frequency Range
Power detect range,
peak power
DC load impedance
Output Voltage, P
No RF
Output Voltage, P
15dBm
Output Voltage, P
18dBm
Power detect low pass
filter -3dB corner
frequency
Figure 4: SE2545A23 5 GHz Power Detector Response over Frequency (CW Signal)
CC
= 3.3 V, “PU0a and TX0ag” or “PU1a and TX1ag” = 3.3 V”, RX0ag = RX1ag = 0 V, T
Parameter
8
4900 MHz
9
OUT
OUT
OUT
=
=
=
10
5 GHz Power Detector Characteristic
Measured at A0 or A1
Load = high impedance
Min: 10 kohm
Typ: 500 kohm
11
Condition
5470 MHz
Output Power (dBm)
12
-
-
-
-
-
13
LOAD
Dual Band 802.11n Wireless LAN Front End
= 2.4 kohm, PDC
14
4900
Min.
0.90
0.54
0.35
270
0
-
15
5850 MHz
LOAD
16
Typ.
0.95
300
2.7
-
-
-
-
= 220 pF
Preliminary Information
17
5850
1.00
0.75
0.55
400
Max.
20
-
18
SE2545A23
A
= 25 °C, as
19
kohm
Unit
MHz
dBm
KHz
12 of 22
V
V
V
20