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4-47
AT-31625 Typical Scattering Parameters, Common Emitter, Z
O
= 50
V
CE
= 3.0 V, I
c
= 200 mA,
T
c
= 25
°
C
Freq.
S
11
S
21
GHz
Mag.
Ang.
dB
Mag.
0.05
0.72
-150
30.7
34.19
0.10
0.77
-166
25.3
18.43
0.25
0.79
179
17.5
7.54
0.50
0.79
169
11.6
3.81
0.75
0.79
161
8.2
2.58
0.90
0.79
156
6.7
2.17
1.00
0.79
153
5.9
1.97
1.25
0.79
146
4.1
1.61
1.50
0.79
140
2.7
1.37
1.75
0.79
133
1.7
1.21
2.00
0.79
126
0.7
1.09
2.25
0.79
120
0.0
1.00
2.50
0.79
114
-0.6
0.93
S
12
Mag.
0.02
0.02
0.04
0.07
0.09
0.11
0.12
0.15
0.18
0.21
0.23
0.26
0.28
S
22
Ang.
113
99
86
74
65
59
56
48
40
32
26
19
13
dB
-34.0
-34.0
-28.0
-23.1
-20.9
-19.2
-18.4
-16.5
-14.9
-13.6
-12.8
-11.7
-11.1
Ang.
40
42
57
64
63
62
61
58
54
49
45
41
36
Mag.
0.56
0.52
0.51
0.51
0.52
0.52
0.52
0.53
0.54
0.54
0.55
0.55
0.56
Ang.
-120
-148
-169
-178
177
175
174
170
167
164
160
156
152
V
CE
= 3.6 V, I
c
= 200 mA,
T
c
= 25
°
C
0.05
0.71
0.10
0.76
0.25
0.78
0.50
0.78
0.75
0.78
0.90
0.78
1.00
0.78
1.25
0.78
1.50
0.78
1.75
0.78
2.00
0.78
2.25
0.78
2.50
0.78
-148
-165
180
169
161
156
153
146
140
133
127
121
115
31.2
25.9
18.1
12.2
8.8
7.3
6.4
4.7
3.3
2.1
1.3
0.4
-0.2
36.39
19.69
8.06
4.07
2.75
2.31
2.10
1.71
1.46
1.28
1.16
1.05
0.98
114
100
86
75
65
60
56
48
40
33
26
19
13
-34.0
-34.0
-28.0
-24.4
-20.9
-19.2
-18.4
-16.5
-14.9
-14.0
-12.8
-11.7
-11.1
0.02
0.02
0.04
0.06
0.09
0.11
0.12
0.15
0.18
0.20
0.23
0.26
0.28
41
43
57
64
64
62
61
58
54
50
46
41
37
0.56
0.51
0.50
0.50
0.51
0.51
0.51
0.52
0.53
0.54
0.54
0.55
0.55
-117
-146
-168
-177
178
176
174
171
168
164
161
157
153
V
CE
= 4.8 V, I
c
= 200 mA,
T
c
= 25
°
C
0.05
0.70
0.10
0.75
0.25
0.77
0.50
0.77
0.75
0.77
0.90
0.77
1.00
0.77
1.25
0.77
1.50
0.77
1.75
0.77
2.00
0.77
2.25
0.77
2.50
0.77
-145
-164
-180
169
161
157
154
147
140
134
127
121
115
31.7
26.4
18.7
12.7
9.3
7.8
7.0
5.2
3.8
2.6
1.7
0.9
0.3
38.47
20.90
8.57
4.33
2.92
2.45
2.23
1.81
1.54
1.35
1.22
1.11
1.03
115
100
87
75
66
60
57
48
41
33
27
20
13
-34.0
-34.0
-28.0
-24.4
-20.9
-19.2
-18.4
-16.5
-14.9
-14.0
-12.8
-12.0
-11.1
0.02
0.02
0.04
0.06
0.09
0.11
0.12
0.15
0.18
0.20
0.23
0.25
0.28
41
43
57
64
64
62
61
58
54
50
46
41
37
0.56
0.50
0.49
0.49
0.49
0.50
0.50
0.51
0.51
0.52
0.53
0.54
0.54
-114
-144
-167
-176
179
176
175
172
168
165
162
158
154
Typical Performance
35
-5
0.05
0
5
10
15
20
25
30
0.25
0.75
2.50
2.00
G
(
FREQUENCY (GHz)
Figure 9. Insertion Power Gain,
Maximum Available Gain, and Maximum
Stable Gain vs. Frequency. V
CE
= 3.0V,
Ic = 200 mA.
1.00
1.50
MSG
MAG
MSG
|S
21
|
2
-5
0.05
0
35
5
10
15
20
25
30
0.25
0.75
2.50
2.00
G
(
FREQUENCY (GHz)
Figure 10. Insertion Power Gain,
Maximum Available Gain, and Maximum
Stable Gain vs. Frequency. V
CE
= 3.6V,
Ic = 200 mA.
1.00
1.50
MSG
MAG
MSG
|S
21
|
2
0
0.05
35
5
10
15
20
25
30
0.25
0.75
2.50
2.00
G
(
FREQUENCY (GHz)
Figure 11. Insertion Power Gain,
Maximum Available Gain, and Maximum
Stable Gain vs. Frequency. V
CE
= 4.8V,
Ic = 200 mA.
1.00
1.50
MSG
MAG
MSG
|S
21
|
2