BFS17A_08 Datasheet, PDF (6/10 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor

BFS17A / BFS17AR / BFS17AW
Vishay Semiconductors
V_CE = 8 V, I_C = 25 mA, Z₀ = 50 Ω
S₁₁
S₂₁
j
j0.5
j2
j0.2
2.0 GHz
0
–j0.2
0.2 ^1.0
0.3
12
0.1
j5
5
∞
–j5
–j0.5
–j2
13550
–j
Figure 5. Input Reflection Coefficient
S₁₂
90 °
120 °
60 °
0.1
150 °
30 °
0.3
180 °
2.0 GHz ^{10 20 0 °}
–150 °
–30°
13552
–120 °
–60°
–90 °
Figure 7. Forward Transmission Coefficient
S₂₂
120 °
150 °
180 °
90 ° _{2.0 GHz}
1.5
1.0
0.5
0.1 _0.08
30 °
0.16 0 °
–150 °
–30 °
13551
–120 °
–60°
–90°
Figure 6. Reverse Transmission Coefficient
j
j0.5
j2
j0.2
j5
0
0.2 0.5 1
0.8 ⁵
∞
–j0.2
2.0 GHz 0.1
–j5
–j0.5
–j2
13553
–j
Figure 8. Output Reflection Coefficient
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6
Document Number 85039
Rev. 1.6, 08-Sep-08