BF995 查看數據表（PDF） - Vishay Semiconductors
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BF995 Datasheet PDF : 8 Pages
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VDS = 15 V, ID = 5 to 20 mA, VG2S = 4 V, Z0 = 50 Ω
S11
S21
BF995
Vishay Semiconductors
S12
j
j0.5
j2
j0.2
j5
0
0.2 0.5 1
25
∞
50
100
- j0.2
- j5
700 MHz 500 300
- j0.5
12920
- j2
-j
Figure 11. Input Reflection Coefficient
ID= 20 mA
ID= 10 mA
ID= 5 mA
180 °
90°
120°
60°
400
200
700MHz
50
0.8
30°
1.6 0 °
- 150°
- 30°
S22
12922
- 120°
- 90°
- 60°
Figure 13. Forward Transmission Coefficient
90 °
120°
60 °
150°
30 °
300
600
180° 700 MHz
0.04 0.08 0 °
- 150°
- 30°
12921
- 120°
- 90°
- 60°
Figure 12. Reverse Transmission Coefficient
j
j0.5
j2
j0.2
j5
0
- j0.2
0.2 0.5 1
25
ı∞
100
300
500 - j5
700 MHz
- j0.5
- j2
12923
-j
Figure 14. Output Reflection Coefficient
Document Number 85009
Rev. 1.6, 02-Feb-06
www.vishay.com
5
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