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BFQ67_08 Datasheet, PDF (8/12 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor
BFQ67 / BFQ67R / BFQ67W
Vishay Semiconductors
VCE = 8 V, IC = 15 mA, Z0 = 50 Ω
S11
S21
j
j0.5
j2
j0.2
0
–j0.2
3.0 GHz
2.0
0.2 1.0 1
0.3
j5
25
∞ı
0.1
–j5
–j0.5
–j2
12998
–j
Figure 5. Input Reflection Coefficient
S12
90 °
120 °
60 °
150 °
180 °
0.1
0.3
1.0
3.0 GHz 20
30 °
40 0 °
–150 °
–30 °
13000
–120°
–60°
–90 °
Figure 7. Forward Transmission Coefficient
S22
90 °
120 °
60 °
150 °
180 °
3.0 GHz 30 °
2.0
1.0
0.1
0.2 0.4 0 °
–150 °
–30 °
12999
–120 °
–90 °
–60 °
Figure 6. Reverse Transmission Coefficient
j
j0.5
j2
j0.2
j5
0 0.2
–j0.2
0.5 1
0.8 5
∞
3.0 GHz
1.0
–j5
–j0.5
–j2
13501
–j
Figure 8. Output Reflection Coefficient
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8
Document Number 85022
Rev. 1.6, 08-Sep-08