PPrreelilmimininaarryy
SHF-0589 DC-3GHz, 2 Watt GaAs HFET
S21 & S12 Versus Frequency
30
-25
-27
25
S12
-29
20
-31
-33
15
-35
10
-37
S21
-39
5
-41
0
-43
0
1
2
3
4
5
Frequency (GHz)
S11 &S22 vs. Frequency ( 0.1 to 4.5 GHz)
Typical s-parameters at 25° C (Vds = 8V, Ids = 500mA)
Freq(GHz)
|S11|
S11 Ang
S21 dB
|S21|
S21 Ang
S12 dB
|S12|
S12 Ang
|S22|
S22 Ang
0.05
0.98
-21.9
26.8
21.9
165.2
-40.1
0.01
86.9
0.19
-149.3
0.1
0.97
-40.0
26.3
20.6
155.9
-39.8
0.01
66.1
0.25
-148.2
0.3
0.92
-98.2
23.0
14.2
125.0
-33.1
0.02
38.5
0.41
-155.7
0.5
0.90
-127.9
20.0
10.0
108.1
-31.5
0.03
24.1
0.47
-164.2
0.7
0.89
-144.5
17.5
7.5
97.5
-31.1
0.03
16.8
0.50
-169.5
0.9
0.89
-155.5
15.6
6.0
89.6
-30.8
0.03
11.5
0.51
-173.2
1.1
0.89
-163.4
13.9
5.0
82.9
-30.7
0.03
7.8
0.52
-176.0
1.3
0.89
-169.5
12.6
4.2
77.4
-30.7
0.03
5.1
0.52
-178.5
1.5
0.89
-174.9
11.4
3.7
71.8
-30.6
0.03
2.8
0.53
179.3
1.7
0.89
179.2
10.3
3.3
66.7
-30.6
0.03
0.8
0.53
177.6
1.9
0.88
176.5
9.4
2.9
62.2
-30.7
0.03
-1.6
0.54
175.6
2.1
0.89
172.9
8.5
2.7
57.5
-30.7
0.03
-2.7
0.54
174.2
2.3
0.88
169.5
7.7
2.4
53.2
-30.7
0.03
-4.1
0.55
172.1
2.5
0.88
166.3
7.0
2.2
49.0
-30.7
0.03
-5.4
0.55
170.5
3.0
0.87
158.5
5.3
1.8
38.4
-30.8
0.03
-7.8
0.56
166.3
3.5
0.88
151.3
4.0
1.6
28.6
-30.9
0.03
-9.2
0.58
162.3
4.0
0.89
144.4
2.7
1.4
19.2
-30.9
0.03
-10.0
0.60
158.1
4.5
0.90
138.6
1.7
1.2
10.1
-30.8
0.03
-11.0
0.61
153.7
No external matching, Scattering parameters are de-embedded on test fixture to device
lead at package edge.
522 Almanor Ave., Sunnyvale, CA 94086
Phone: (800) SMI-MMIC
3
http://www.stanfordmicro.com
EDS-101242 Rev-B