BFP81_08 Datasheet, PDF (8/11 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor

BFP81
Vishay Semiconductors
V_CE = 10 V, I_C = 10 mA, Z₀ = 50 Ω
S₁₁
j
j0.5
j2
j0.2
3.0 GHz
j5
2.0
0 0.2 ^1.0 1 2 5
–j0.2
0.3
–j5
0.1
–j0.5
–j2
12978
–j
Figure 6. Input Reflection Coefficient
S₁₂
120 °
150 °
180 °
90 °
60 °
3.0 GHz
2.0
30 °
1.0
0.1
0.08 0.16 0 °
–150 °
–30 °
12979
–120 °
–90 °
–60 °
Figure 7. Reverse Transmission Coefficient
S₂₁
90 °
120 °
60 °
150 ° ^0.1
180 °
0.3
1.0
3.0 GHz ¹⁰
30 °
20 0 °
–150 °
–30 °
12980
–120 °
–90 °
–60 °
Figure 8. Forward Transmission Coefficient
S₂₂
j
j0.5
j0.2
j2
j5
0 0.2 0.5 1 2 5
1.0 _0.1
–j0.2
3.0 GHz
–j5
–j0.5
–j2
12981
–j
Figure 9. Output Reflection Coefficient
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8
Document Number 85018
Rev. 1.5, 05-Sep-08