BFQ81 Vishay, BFQ81 Datasheet - Page 8

• Manufacturer Part Number: BFQ81
• Description: Silicon Npn Planar Rf Transistor
• Manufacturer: Vishay

BFQ81
Vishay Semiconductors
V
S
S
www.vishay.com
8
CE
11
21
= 10 V, I
13502
13 504
180°
-150 °
150°
Figure 7. Forward Transmission Coefficient
-j0.2
j0.2
0
Figure 6. Input Reflection Coefficient
C
0.1
-120 °
-j0.5
= 10 mA, Z
j0.5
120°
0.2
2.0
1.0
3.0 GHz
0.3
3.0 GHz
-90°
90°
0.3
-j
1.0
1
0
j
= 50 Ω
10
2
-60°
60 °
0.1
-j2
5
j2
20
-30°
30°
0°
-j5
j5
∞
S
S
12
22
13 505
13 503
180°
Figure 8. Reverse Transmission Coefficient
150°
-150°
-j0.2
j0.2
0
Figure 9. Output Reflection Coefficient
-j0.5
0.2
-120°
j0.5
120°
0.5
0.1
1.0
-90°
90°
2.0
3.0 GHz
1
-j
j
3.0 GHz
0.2
2
-60°
0.8
Document Number 85023
60°
-j2
j2
5
0.4
Rev. 1.5, 28-Apr-05
-30°
0.1
30°
-j5
j5
0°
∞