START450 Datasheet, PDF (4/7 Pages) STMicroelectronics – NPN Silicon RF Transistor

START450
COMMON EMITTER S-PARAMETERS ( V_CE = 2V, I_C = 50mA )
FREQ
(MHz)
0.1
0.5
0.9
1
1.5
1.8
2
2.5
3
3.5
4
IS₁₁I S₁₁∠Φ
0.572
0.740
0.747
0.744
0.726
0.715
0.699
0.646
0.582
0.523
0.441
-112
-167
-178
179
172
167
165
158
153
150
153
IS₂₁I
S₂₁∠Φ
61.291
137
17.769
111
9.937
113
8.736
114
5.913
125
4.893
128
4.484
131
3.661
139
2.879
146
2.195
154
1.733
175
IS₁₂I
0.017
0.022
0.026
0.025
0.059
0.060
0.086
0.128
0.145
0.189
0.211
S₁₂∠Φ
50
60
93
103
146
157
163
172
177
170
151
IS₂₂I
0.723
0.545
0.539
0.534
0.526
0.520
0.510
0.481
0.452
0.449
0.381
S₂₂∠Φ
-75
-149
-163
-166
-171
-173
-175
-174
-173
-173
-178
4/7