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BFR91A Datasheet, PDF (3/4 Pages) Vishay Siliconix – Silicon NPN Planar RF Transistor
BFR91A
TIPICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
7
3,5
6
3
5
2,5
4
2
3
1,5
2
1
VCB=5V
VCE=8V
f=300MHZ
f=800MHZ
1
0,5
0
0 5 10 15 20 25 30 35 40 45 50
IE - Emitter Current (mA)
Figure 3. Transition Frequency vs.
Emitter Current
14
0
0
140
5
10
15 20
25 30
35 40
IE - Emitter Current (mA
Figure 4. Noise Figure vs.
Emitter Current
12
120
10
100
8
80
6
60
4
VCE=8V
40
f=800MHZ
VCB=5V
2
20
0
0
5
10 15 20 25 30 35 40
IE - Emitter Current (mA
Figure 5. Power Gain vs.
Emitter Current
0
0
5
10
15
20
25
30
IE - Emitter Current (mA
Figure 6. DC Current Gain vs.
Emitter Current+
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