BFQ72 Datasheet, PDF (13/14 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 = 8 V, Z0 = 50 Ω
0.1
0.55
– 90 32.99 132
0.2
0.53
– 131 20.17 110
0.3
0.52
– 150 13.96
99
0.4
0.54
– 160 10.71
92
0.6
0.54
– 172 7.17
83
0.8
0.55
179 5.38
75
1.0
0.56
172 4.29
69
1.2
0.56
167 3.62
63
1.5
0.57
159 2.91
54
1.8
0.59
153 2.42
47
2.0
0.61
149 2.18
42
2.5
0.62
139 1.78
30
3.0
0.66
129 1.51
18
S12
MAG
ANG
0.017 56
0.024 50
0.030 50
0.035 53
0.046 56
0.057 57
0.067 56
0.078 55
0.094 53
0.109 50
0.119 48
0.142 44
0.165 39
S22
MAG
0.71
0.46
0.36
0.30
0.26
0.24
0.23
0.22
0.22
0.22
0.21
0.21
0.22
ANG
– 35
– 44
– 45
– 44
– 43
– 43
– 45
– 47
– 51
– 59
– 65
– 80
– 98
S11, S22 = f (f)
IC = 25 mA, VCE = 8 V, Z0 = 50 Ω
S12, S21 = f (f)
IC = 25 mA, VCE = 8 V, Z0 = 50 Ω