SE2521A60
RangeCharger™ 2.4 GHz Wireless LAN Front End
2nd, 3rd Harm onics vs. Output Pow er
(25 C, 2450 MHz, 802.11b 1 Mbps CCK Signal)
2nd Harmonic
-40
Harmonic Power (dBm/1MHz)
-45
-50
-55
-60
-65
-70
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Output Pow er (dBm )
3rd Harmonic
Figure 7: 802.11b Typical Harmonic Performance (1 Mbps, CCK)
CW Typical Performance
IMD3, IMD5 vs. Output Pow er (25 C, 2450 MHz, CW)
IMD3
-30
IMD5
P1dB vs. Frequency (25 C, 3.3 V, CW)
P1dB
27
26.5
P1dB (dBm)
26
25.5
25
Gain
33
32
31
Gain (dB)
22
-40
IMD (dBc)
-50
30
29
28
27
-60
-70
24.5
24
2400
26
25
2500
-80
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
2420
Output Pow er (dBm )
2440
2460
Frequency (MHz)
2480
(a)
(b)
Figure 8: Typical CW Performance (a) IMD3, IMD5 vs. Output Power, (b) P1dB, Gain vs. Frequency
Detector Performance
VDET vs. Output Pow er over Frequency (25 C, 3.3 V, CW)
2400 MHz
1
0.9
0.8
0.7
VDET (V)
VDET vs. Output Pow er over Voltage (25 C, 2450 MHz, CW)
2.7 V
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
3.0 V
3.3 V
3.6 V
2450 MHz
2500 MHz
VDET (V)
0.6
0.5
0.4
0.3
0.2
0.1
0
2
4
6
8
10
12
14
16
18
20
22
Output Pow er (dBm )
0
2
4
6
8
10
12
14
16
18
20
Output Pow er (dBm )
(a)
(b)
Figure 9: Typical Power Detector Response: (a) Over Frequency, (b) Over Voltage
177-DST-01
Rev 1.4
Apr-04-2006
Confidential
QA040406
9 of 16
SIGE [ SIGE SEMICONDUCTOR, INC. ]
