BFQ72 Datasheet, PDF (10/14 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For low-distortion broadband amplifiers up to 2 GHz at collector currents from 10 mA to 30 mA.)

BFQ 72
Common Emitter S Parameters (continued)
f
GHz
S11
MAG
ANG
S21
MAG
ANG
IC = 25 mA, VCE = 5 V, Z0 = 50 Ω
0.1
0.54
– 99 31.95 130
0.2
0.55
– 137 19.18 108
0.3
0.55
– 154 13.20
98
0.4
0.57
– 164 10.09
91
0.6
0.57
– 176 6.76
82
0.8
0.58
176 5.06
74
1.0
0.59
170 4.04
68
1.2
0.60
165 3.40
62
1.5
0.60
157 2.74
54
1.8
0.61
151 2.28
46
2.0
0.63
147 2.06
41
2.5
0.65
137 1.68
29
3.0
0.68
127 1.42
17
S12
MAG
ANG
0.018 57
0.027 48
0.032 49
0.037 52
0.049 55
0.061 56
0.072 55
0.084 55
0.101 52
0.118 49
0.127 47
0.153 42
0.177 36
S22
MAG
0.66
0.42
0.30
0.24
0.19
0.17
0.15
0.14
0.14
0.14
0.14
0.14
0.17
ANG
– 41
– 55
– 59
– 60
– 60
– 61
– 63
– 66
– 70
– 79
– 87
– 106
– 126
S11, S22 = f (f)
IC = 25 mA, VCE = 5 V, Z0 = 50 Ω
S12, S21 = f (f)
IC = 25 mA, VCE = 5 V, Z0 = 50 Ω