BFR91A Datasheet, PDF (6/8 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor

BFR91A
Vishay Telefunken
W V_CE = V, I_C = 30 mA , Z₀ = 50
S₁₁
j
j0.5
j2
j0.2
j5
2.0 GHz
ÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁ ₀
0.2
1.0 ¹
2
5
1
0.3
–j0.2
0.1
–j5
–j0.5
–j2
13 518
–j
S₂₁
Figure 5. Input reflection coefficient
90°
120°
60°
150°
180°
0.1
0.3
2.0 GHz ²⁰
30°
40 0°
–150°
–30°
13 520
–120°
–60°
–90°
Figure 6. Forward transmission coefficient
S₁₂
120°
150°
180°
90°
2.0 GHz
60°
1.5
1.0
0.5
0.1
0.08
30°
0.16 0°
–150°
–30°
13 519
–120°
–60°
–90°
Figure 7. Reverse transmission coefficient
S₂₂
j
j0.5
j2
j0.2
j5
0 ^ÁÁ0.2^{ÁÁÁÁ}0.5^{ÁÁÁÁ}1 ^{ÁÁÁÁ}2 ₀^ÁÁ_.3 ^ÁÁ5 ¹
1.0
0.1
–j0.2
2.0 GHz
–j5
–j0.5
–j2
13 521
–j
Figure 8. Output reflection coefficient
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6 (8)
Document Number 85031
Rev. 3, 20-Jan-99