4 / 8 page
250 mW Power Amplifier with T/R and Diversity Switches
AM55-0003
Specifications Subject to Change Without Notice
V 2.0
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
s
Telephone: 800-366-2266
4
Power Amplifier Temperature
Performance1
Power Amplifier Spurious Response at
Various Supply Voltages1
1. All data measured at TA = +25°C and VG1, VG2 and VG3 adjusted for first stage quiescent current of 20 mA, second stage current of 70 mA and
third stage current of 90 mA, respectively.
LINEAR GAIN, V
DD1 = VDD2 = VDD 3 = +5 V
2.0
2.2
2.4
2.6
2.8
3.0
35
30
25
20
15
10
FREQUENCY (GHz)
SECOND HARMONIC RATIO @ 2.45 GHz,
V
DD1 = VDD2 = VDD3
15
17
19
21
23
25
FUNDAMENTAL P
OUT (dBm)
THIRD HARMONIC RATIO @ 2.45 GHz,
V
DD1 = VDD2 = VDD 3
15
17
19
21
23
25
60
55
50
45
40
35
FUNDAMENTAL P
OUT (dBm)
POWER OUTPUT @ 2.45 GHz,
V
DD1 = VDD2 = VDD 3 = +5 V
-19
-14
-9
-4
1
30
25
20
15
10
5
0
INPUT POWER (GHz)
GAIN COMPRESSION @ 2.45 GHz,
V
DD1 = VDD2 = VDD3 = +5 V
-20
-15
-10
-5
0
5
0
-1
-2
-3
-4
-5
INPUT POWER (dBm)
THIRD ORDER INTERMODULATION RATIO@ 2.45 GHz,
(TONE SPACING 600 kHz)
50
40
30
20
10
-20°C
+25°C
6 V
5 V
3 V
4 V
6 V
5 V
3 V
4 V
6 V
5 V
4 V
3 V
+70°C
+70°C
-20°C
+25°C
+25°C
+70°C
-20°C
913
17
21
25
FUNDAMENTAL P
OUT/ TONE (dBm)
70
65
60
55
50
45
40
35
Italian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
