START620 Datasheet, PDF (3/5 Pages) STMicroelectronics – NPN SiGe RF Transistor

COMMON EMITTER S-PARAMETERS ( V_CE = 2V, I_C = 20mA )
FREQ
(MHz)
0.1
0.5
0.9
1
1.5
1.8
2
2.5
3
3.5
4
IS₁₁I S₁₁∠Φ
0.505
-21
0.322
-69
0.245
-88
0.237
-92
0.193
-97
0.188
-95
0.190
-89
0.218
-76
0.219
-86
0.209
-80
0.195
-89
IS₂₁I
S₂₁∠Φ
35.490
163
19.713
134
12.607
130
11.751
130
7.564
133
6.534
139
5.834
144
4.639
154
3.688
165
3.537
172
3.006
180
IS₁₂I
0.009
0.030
0.048
0.052
0.071
0.088
0.093
0.109
0.160
0.181
0.200
S₁₂∠Φ
80
84
100
102
118
127
133
148
170
174
173
START620
IS₂₂I
0.940
0.611
0.484
0.470
0.430
0.443
0.449
0.497
0.455
0.412
0.355
S₂₂∠Φ
-14
-38
-43
-44
-46
-48
-49
-55
-66
-73
-80
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