BFP81 查看數據表（PDF） - Vishay Semiconductors
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BFP81 Datasheet PDF : 11 Pages
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1.0
0.8
0.6
0.4
0.2
0.0
0
12872
f = 1 MHz
4
8
12
16
20
VCB – Collector Base Voltage ( V )
Figure 3. Collector Base Capacitance vs. Collector Base Voltage
2.5
2.0
ZS = 50 Ω
1.5
ZS = ZSopt
1.0
0.5
VCE =10 V
f = 800 MHz
0
0
4
8
12
16
20
12873
IC - Collector Current ( mA )
Figure 4. Noise Figure vs. Collector Current
4
ZS = 50 Ω
3
ZS = ZSopt
2
1
VCE =10 V
f = 2 GHz
0
0
4
8
12
16
20
12874
IC - Collector Current ( mA )
Figure 5. Noise Figure vs. Collector Current
Document Number 85018
Rev. 1.5, 05-Sep-08
BFP81
Vishay Semiconductors
www.vishay.com
7
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