se2545a30 SiGe Semiconductor, se2545a30 Datasheet - Page 12

• Manufacturer Part Number: se2545a30
• Description: Dual Band 802.11n Wireless Lan Front End
• Manufacturer: SiGe Semiconductor

5 GHz Power Detector Characteristic
Conditions: V
Note 2: The SE2545A30 provides the following load: PDZ
211-DST-01 Rev 1.0 Apr-26-2006
PDZ
PDV
Symbol
(Note 2)
LPF
PDV
PDV
PDR
F
OUT
LOAD
NoRF
-3dB
p15
p18
measured on SiGe Semiconductor’s SE2545A30-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: SE2545A30 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
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
Parameter
0
1
2
OUT
OUT
OUT
3
4900 MHz
=
=
=
4
5 GHz VDET vs. Output Power over Frequency (3.3 V, 25 C)
Measured at A0 or A1
Load = high impedance
Min: 10 kohm
Typ: 500 kohm
5
6
Condition
7
5280 MHz
8
-
-
-
-
-
Output Power (dBm)
9
LOAD
10
Dual Band 802.11n Wireless LAN Front End
11
= 2.4 kohm, PDC
5470 MHz
12
13
4900
Min.
0.85
0.54
0.35
270
0
-
14
15
LOAD
5850 MHz
16
Typ.
300
2.7
0.9
-
-
-
-
= 180 pF
17
Preliminary Information
18
5850
0.95
0.75
0.55
19
400
Max.
20
-
20
SE2545A30
2
A
1
= 25 °C, as
kohm
Unit
MHz
dBm
KHz
12 of 18
V
V
V