ATF-521P8 View Datasheet(PDF) - Avago Technologies
Part Name
Description
Manufacturer
ATF-521P8
Avago Technologies
ATF-521P8 Datasheet PDF : 23 Pages
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1 pF
3.9 nH
1.5 pF
RF Input
50 Ohm
.02 λ
110 Ohm
.03 λ
110 Ohm
.03 λ
50 Ohm
.02 λ
1.5 pF
DUT
RF Output
12 nH
47 nH
15 Ohm
2.2 µF
Gate
Supply
2.2 µF
Drain
Supply
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 Maury load pull system at 4.5V, 200
mA quiesent bias:
Optimum OIP3
Freq
Gamma Source
Gamma Load
OIP3
(GHz) Mag
Ang (deg)
Mag
Ang (deg) (dBm)
0.9
0.413
10.5
2
0.368
162.0
2.4
0.318
169.0
3.9
0.463 -134.0
0.314
179.0
42.7
0.538 -176.0
42.5
0.566 -169.0
42.0
0.495 -159.0
40.3
Gain
(dB)
16.0
15.8
14.1
9.6
P1dB
PAE
(dBm)
(%)
27.0
54.0
27.5
55.3
27.4
53.5
27.3
43.9
Optimum P1dB
Freq
Gamma Source
Gamma Load
OIP3
(GHz) Mag
Ang (deg)
Mag
Ang (deg) (dBm)
0.9
0.587
12.7
2
0.614
126.1
2.4
0.649
145.0
3.9
0.552 -162.8
0.613 -172.1
39.1
0.652 -172.5
39.5
0.682 -171.5
40.0
0.670 -151.2
38.1
Gain
(dB)
14.5
12.9
12.0
9.6
P1dB
PAE
(dBm)
(%)
29.3
49.6
29.3
49.5
29.4
46.8
27.9
39.1
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