BFQ72 Datasheet, PDF (14/14 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 = 40 mA, VCE = 8 V, Z0 = 50 Ω
0.1
0.51
– 108 35.70 126
0.2
0.52
– 144 20.53 105
0.3
0.53
– 159 13.96
96
0.4
0.54
– 167 10.64
90
0.6
0.55
– 177 7.10
81
0.8
0.56
176 5.32
74
1.0
0.57
170 4.24
68
1.2
0.58
165 3.57
63
1.5
0.59
157 2.87
54
1.8
0.60
152 2.39
46
2.0
0.62
148 2.16
42
2.5
0.64
138 1.77
29
3.0
0.67
128 1.50
18
S12
MAG
ANG
0.016 57
0.021 52
0.027 55
0.032 57
0.043 60
0.054 60
0.066 59
0.076 58
0.092 56
0.107 52
0.116 51
0.140 46
0.163 41
S22
MAG
0.64
0.41
0.32
0.28
0.25
0.24
0.23
0.22
0.22
0.22
0.21
0.21
0.22
ANG
– 37
– 42
– 41
– 39
– 38
– 39
– 41
– 44
– 49
– 57
– 63
– 79
– 98
S11, S22 = f (f)
IC = 40 mA, VCE = 8 V, Z0 = 50 Ω
S12, S21 = f (f)
IC = 40 mA, VCE = 8 V, Z0 = 50 Ω