BF998 データシートの表示（PDF） - Vishay Semiconductors
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BF998 Datasheet PDF : 10 Pages
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BF998/BF998R/BF998RW
Vishay Semiconductors
VDS = 8 V, ID = 10 mA, VG2S = 4 V, Z0 = 50 Ω
S11
S21
j
j0.5
j2
j0.2
j5
S12
0
0.2 0.5 1
25
100
- j0.2
1300 MHz
- j5
1000
- j0.5
- j2
12960
-j
Figure 12. Input Reflection Coefficient
120 °
400
150 °
100
180 °
90 °
60 °
700
1000
30 °
1300 MHz
1
2 0°
- 150°
- 30°
12962
- 120°
- 90°
- 60°
Figure 14. Forward Transmission Coefficient
S22
90°
120°
60°
150 °
1300 MHz
180 °
1200
200
100
0.08
30°
0.16 0 °
- 150°
- 30°
12973
- 120°
- 90°
- 60°
Figure 13. Reverse Transmission Coefficient
j
j0.5
j2
j0.2
j5
0
0.2 0.5 1
2
5 100
- j0.2
- j5
12963
- j0.5
1300 MHz
- j2
-j
Figure 15. Output Reflection Coefficient
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6
Document Number 85011
Rev. 1.8, 05-Sep-08
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