ATF-511P8 View Datasheet(PDF) - Avago Technologies
Part Name
Description
MFG CO.
ATF-511P8
Avago Technologies
'ATF-511P8' PDF : 15 Pages View PDF
RF Input
1.8 nH
1.2 pF
50 Ohm 110 Ohm
.02 λ
.03 λ
DUT
15 nH
15 Ohm
2.2 μF
Gate
DC Supply
110 Ohm 50 Ohm
.03 λ
.02 λ
2.7 nH
1.2 pF
47 nH
2.2 μF
Drain
DC Supply
RF Output
Figure 7. Simplified schematic of production test board. Primary purpose is to show 15 Ohm series resistor placement in gate
supply. Transmission line tapers, tee intersections, bias lines and parasitic values are not shown.
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, 200 mA quiesent bias:
Optimum OIP3
Freq
Gamma Source
(GHz)
Mag
Ang
0.9
0.776
152
2.0
0.872
-171
2.4
0.893
-162
3.9
0.765
-132
Gamma Load
Mag
Ang
0.549
-178
0.683
-179
0.715
-174
0.574
-144
OIP3
Gain
P1dB
PAE
(dBm)
(dB)
(dBm)
(%)
43.3
17.94
29.63
63.8
43.1
15.06
30.12
66.8
42.8
14.03
29.90
64.5
41.7
9.47
29.02
52
Optimum P1dB
Freq
Gamma Source
(GHz)
Mag
Ang
0.9
0.773
153
2.0
0.691
147
2.4
0.797
164
3.9
0.602
-163
Gamma Load
Mag
Ang
0.784
-173
0.841
-166
0.827
-166
0.794
-155
OIP3
Gain
P1dB
PAE
(dBm)
(dB)
(dBm)
(%)
38.0
19.28
31.9
54.23
36.4
10.34
31.4
38.15
36.2
8.43
31.2
37.38
35.4
7.03
31
32.72
4
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