atf-50189 Avago Technologies, atf-50189 Datasheet - Page 4

• Manufacturer Part Number: atf-50189
• Description: Atf-50189 Gaas Field Effect
• Manufacturer: Avago Technologies

4
Gamma Load and Source at Optimum OIP3 and P1dB Tuning Conditions
The device’s optimum OIP3 and P1dB measurements were determined using a load pull system at 4.5V,
280 mA quiesent bias.
Typical IV Curve
Typical Gammas at Optimum OIP3
Freq
(GHz)
0.45
0.9
1.8
2
2.4
3.5
Typical Gammas at Optimum P1dB
Freq
(GHz)
0.45
0.9
1.8
2
2.4
3.5
Note:
1. Typical describes additional product performance information that is not covered by the product warranty.
1000
Figure 6. Typical IV curve.
900
800
700
600
500
400
300
200
100
0
0
0.5
1 1.5
2
Gamma Source
Mag
0.47
0.81
0.82
0.85
0.82
0.77
Gamma Source
Mag
0.52
0.79
0.83
0.82
0.78
0.78
2.5
3
Vds (V)
3.5
4
4.5
Ang (deg)
121.7
-157.5
-110.4
-106.4
-88.8
-49.6
Ang (deg)
151.2
-160.1
-112.5
-102.1
-91.2
-49.7
5 5.5 6 6.5
Vgs=0.8V
Vgs=0.7V
Vgs=0.6V
Vgs=0.54V
Vgs=0.5V
Vgs=0.4V
[1]
[1]
7
Gamma Load
Mag
0.76
0.72
0.62
0.64
0.67
0.59
Gamma Load
Mag
0.71
0.67
0.72
0.69
0.77
0.72
Optimum OIP3
Ang (deg)
-175.1
-178.1
-135.1
-127.4
-113.6
-79.5
Optimum P1dB
Ang (deg)
-177.5
-158.3
-131.2
-117.5
-105.3
-74.6
OIP3
(dBm)
41.0
44.2
46.5
46.2
45.6
44.0
OIP3
(dBm)
39.8
42.8
44.2
44.8
44.44
43.7
Gain
(dB)
22.0
21.6
16.0
15.1
13.0
8.6
Gain
(dB)
23.9
20.1
15.9
14.9
12.5
8.7
P1dB
(dBm)
27.5
28.3
28.7
29.0
28.9
26.9
P1dB
(dBm)
28.5
30.4
30.3
30.2
30.2
27.3
PAE
(%)
39.0
49.2
61.3
63.0
55.0
35.0
PAE
(%)
44.8
56
60.3
58.6
54.1
32