BFQ74 Datasheet, PDF (14/14 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For low-noise amplifiers in the GHz range, and broadband analog and digital applications)

BBFFQQ 7744
Common Emitter S Parameters (continued)
f
GHz
S11
MAG
ANG
S21
MAG
ANG
IC = 25 mA, VCE = 10 V, Z0 = 50 Ω
0.1
0.69
– 55 34.86 143
0.2
0.59
– 94 24.49 121
0.3
0.54
– 120 18.09 109
0.4
0.51
– 135 14.03 101
0.6
0.51
– 154 9.73
90
0.8
0.50
– 167 7.33
82
1.0
0.52
– 176 5.90
76
1.2
0.51
175 4.96
70
1.5
0.52
165 4.00
62
1.8
0.53
158 3.34
54
2.0
0.55
153 3.02
50
2.5
0.57
143 2.47
38
3.0
0.60
131 2.10
27
3.5
0.62
122 1.85
16
4.0
0.64
110 1.65
5
4.5
0.67
101 1.48
–6
5.0
0.68
90 1.33 – 16
S12
MAG
ANG
0.013 66
0.020 55
0.025 50
0.029 50
0.035 52
0.042 54
0.049 56
0.057 57
0.068 57
0.080 56
0.087 55
0.108 53
0.130 49
0.152 46
0.179 40
0.200 34
0.224 27
S22
MAG
0.83
0.66
0.56
0.51
0.45
0.43
0.41
0.40
0.40
0.39
0.38
0.36
0.36
0.35
0.36
0.35
0.36
ANG
– 19
– 27
– 29
– 28
– 28
– 29
– 30
– 32
– 35
– 40
– 43
– 52
– 63
– 75
– 90
– 105
– 122
S11, S22 = f (f), Z-plane
IC = 25 mA, VCE = 10 V, Z0 = 50 Ω
S12, S21 = f (f)
IC = 25 mA, VCE = 10 V, Z0 = 50 Ω