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2.4GHz to 2.5GHz
Linear Power Amplifier
Typical Operating Characteristics
(V CC = +3.3V, f IN = 2.45MHz, RF modulation = IEEE 802.11b, V SHDN = V CC , T A = +25 ° C, unless otherwise noted.)
GAIN vs. SUPPLY VOLTAGE
I CC vs. SUPPLY VOLTAGE
OUTPUT POWER vs. INPUT POWER
31
P O = +22dBm
T A = -40 ° C
320
P O = +22dBm
28
27
26
30
29
28
27
T A = +25 ° C
T A = +85 ° C
300
280
260
240
T A = +25 ° C
T A = -40 ° C
T A = +85 ° C
25
24
23
22
21
20
19
18
IDLE CURRENT SET TO 280mA
17
26
2.7
3.0
3.3
3.6
220
2.7
AT V CC = +3.3V, T A = +25 ° C
3.0 3.3
3.6
16
15
-15 -13 -11 -9
-7 -5
-3 -1
1
3
5
330
SUPPLY VOLTAGE (V)
I CC vs. OUTPUT POWER
-24
SUPPLY VOLTAGE (V)
ACPR vs. OUTPUT POWER
-32
INPUT POWER (dBm)
ACPR vs. FREQUENCY
300
270
240
210
180
150
120
90
60
30
IDLE CURRENT ADJUSTED TO
KEEP ACPR/ALT = -33/-55dBc
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
IDLE CURRENT = 280mA
T A = -40 ° C
T A = +25 ° C
T A = +85 ° C
-33
-34
P OUT = +22 dBm
0
0
2
4
6
8 10 12 14 16 18 20 22
-40
16
17
18
19
20
21
22
23
24
25
-35
2400
2425
2450
2475
2500
OUTPUT POWER (dBm)
I CC vs. FREQUENCY
OUTPUT POWER (dBm)
POWER DETECTOR VOLTAGE
vs. OUTPUT POWER
FREQUENCY (MHz)
OUTPUT POWER HISTOGRAM AT FIXED
1.6V POWER DETECTOR VOLTAGE
320
315
310
305
P O = +22dBm
T A = +25 ° C
T A = +85 ° C
2
1.8
1.6
1.4
V CC = +3.0V, T A = +25°C
V CC = +3.3V, T A = +85°C
V CC = +3.3V, T A = -40 ° C
V CC = +3.6V, T A = +25°C
V CC = +3.3V, T A = +25°C
30
25
20
SIGMA = 0.14dBm
BASED ON
100 PARTS
300
295
1.2
1
15
10
290
T A = -40 ° C
0.8
285
280
0.6
0.4
V CC = +2.7V, T A = +25 ° C
5
0
2400
2425
2450
2475
2500
0
2
4
6
8 10 12 14 16 18 20 22
21.6
21.8
22
22.2
22.4
FREQUENCY (MHz)
OUTPUT POWER (dBm)
OUTPUT POWER (dBm)
4
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