BFR91 Datasheet, PDF (6/8 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor

BFR91
Vishay Telefunken
W V_CE = 5 V, I_C = 30 mA , Z₀ = 50
S₁₁
j
j0.5
j2
j0.2
2.0 GHz
j5
1.0
ÁÁÁÁÁÁÁÁÁÁ ₀
0.2 0.5 1
2
5
1
ÁÁÁÁÁÁÁÁÁÁ ^0.3
0.1
–j0.2
–j5
–j0.5
–j2
13 514
–j
S₂₁
Figure 5. Input reflection coefficient
0.1
90°
60°
150°
180°
0.3
0.5
2.0 GHz ⁸
30°
16 0°
–150°
–30°
13 516
–120°
–60°
–90°
Figure 6. Forward transmission coefficient
S₁₂
90°
120°
60°
150°
180°
30°
2.0 GHz
1.0
0.1
0.2
0.4 0°
–150°
–30°
13 515
–120°
–60°
–90°
Figure 7. Reverse transmission coefficient
S₂₂
j
j0.5
j2
j0.2
j5
ÁÁÁÁÁÁÁÁÁ ₀
0.2 0.5 1
2
5
1
0.5
ÁÁÁÁÁÁÁÁÁ _{2.0 GHz}
0.1
–j0.2
–j5
–j0.5
–j2
13 517
–j
Figure 8. Output reflection coefficient
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6 (8)
Document Number 85030
Rev. 3, 20-Jan-99