BF995(1999) 查看數據表（PDF） - Vishay Semiconductors
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BF995 Datasheet PDF : 7 Pages
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W VDS = 15 V, ID = 5 to 20 mA, VG2S = 4 V , Z0 = 50
BF995
Vishay Telefunken
S11
j
j0.5
j2
j0.2
j5
0
ÁÁÁÁ0.2 ÁÁÁÁ0.5 ÁÁ1ÁÁÁÁ2ÁÁÁÁ5ÁÁ100
1
50
–j0.2
–j5
700 MHz
300
500
–j0.5
–j2
12 920
–j
S21
Figure 11. Input reflection coefficient
90°
120°
60°
400
30°
200
50
180°
700MHz
0.8
1.6 0°
–150°
ID= 20mA
10mA
5––m3300A°°
12 922
–120°
–60°
–90°
Figure 12. Forward transmission coefficient
S12
90°
120°
60°
150°
600
180° 700MHz
30°
300
0.04 0.08 0°
–150°
–30°
12 921
–120°
–60°
–90°
Figure 13. Reverse transmission coefficient
S22
j
j0.5
j2
j0.2
j5
ÁÁÁÁÁÁÁÁÁÁ 0
0.2 0.5 1
2
5
1
100
300
–j0.2
500 –j5
700 MHz
–j0.5
–j2
12 923
–j
Figure 14. Output reflection coefficient
Document Number 85009
Rev. 3, 20-Jan-99
www.vishay.de • FaxBack +1-408-970-5600
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