250 mW Linear Power Amplifier and T/R Switch
Power Amplifier Small Signal Performance1
AM55-0004
Power Amplifier CW Performance at1.9 GHz1
GAIN
POWER OUTPUT
27
28
6.0 V
6.0 V
26
24
22
20
18
4.8 V
24
4.8 V
21
3.6 V
3.6 V
18
3.0 V
3.0 V
15
1.50
1.75
2.00
2.25
2.50
-5
-3
-1
(dBm)
1
3
FREQUENCY (GHz)
P
IN
INPUT MATCH
POWER ADDED EFFICIENCY (%)
0
-5
45
3.0 V
4.8 V
6.0 V
35 3.6 V
-10
-15
-20
-25
25
15
4.8 V
3.0 V
6.0 V
3.6 V
5
1.50
1.75
2.00
2.25
2.50
-5
-3
-1
1
3
FREQUENCY (GHz)
P
(dBm)
IN
OUTPUT MATCH
GAIN COMPRESSION
0
-5
0
-1
-2
-3
-4
-5
6.0 V
4.8 V
-10
-15
-20
-25
6.0 V
3.0 V
4.8 V
3.0 V
3.6 V
3.6 V
1
1.50
1.75
2.00
FREQUENCY (GHz)
2.25
2.50
-5
-3
-1
(dBm)
3
P
IN
1. All data measured at T = +25°C and V , V adjusted for first stage quiescent current of 30 mA and second stage current of 65 mA,
A
G1
G2
respectively.
Specifications Subject to Change Without Notice
V 2.00
M/A-COM Inc.
■
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
■
Telephone: 800-366-2266
3
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