MMBR911LT1 Datasheet, PDF (4/6 Pages) Motorola, Inc – NPN Silicon High-Frequency Transistor

+j50
+j25
+j100
+j150
+j10
+j250
2
+j500
1.5
0
10
25 1 50
100 150 250 500
S11
0.5
0.5
1
2 _1.5 f = 0.2 GHz
– j500
– j10
f = 0.2 GHz
S22
– j250
– j150
– j25
– j100
– j50
Figure 8. Input and Output Reflection
Coefficients versus Frequency
VCE = 10 V, IC = 30 mA
+90°
+120°
+60°
f = 0.2 GHz
+150°
S21
2
0.5
1
11.5
0.5
S12
f = 0.2 GHz 2
180° _{16 14 12 10 8 6 4 2}
0.1 0.2 0.3
+30°
0.4 ^0°
S21
S12
–150°
– 30°
–120°
– 60°
– 90°
Figure 9. Forward and Reverse Transmission
Coefficients versus Frequency
VCE = 10 V, IC = 30 mA
VCE
(Volts)
10
IC
(mA)
2.0
5.0
10
20
30
f
(MHz)
200
500
1000
1500
2000
200
500
1000
1500
2000
200
500
1000
1500
2000
200
500
1000
1500
2000
200
500
1000
1500
2000
S11
|S11|
∠Ăφ
0.82
– 45 –
0.60
– 96 –
0.47
– 149–
0.46
– 179–
0.47
162
S21
|S21|
∠Ăφ
4.14
145
3.23
112
2.16
85
1.59
71
1.35
57
S12
|S12|
∠Ăφ
0.06
66
0.09
49
0.11
49
0.13
55
0.16
62
0.66
– 63–
8.63
134
0.05
64
0.43
– 117–
5.29
100
0.07
58
0.37
– 163–
3.05
82
0.11
63
0.38
176
2.17
70
0.15
65
0.40
160
1.81
57
0.19
65
0.49
– 83 –
12.70
124
0.04
65
0.33
– 134–
6.42
94
0.07
66
0.32
– 171–
3.53
80
0.12
70
0.35
173
2.46
69
0.16
69
0.37
159
2.04
58
0.20
66
0.36
– 103–
15.25
114
0.03
69
0.28
– 149–
6.95
90
0.06
72
0.29
– 176–
3.73
78
0.12
73
0.33
172
2.60
68
0.17
71
0.36
158
2.14
58
0.21
67
0.32
– 114–
15.64
109
0.03
71
0.27
– 156–
6.92
88
0.06
73
0.29
– 178–
3.71
78
0.12
74
0.34
170
2.58
68
0.16
72
0.37
156
2.13
57
0.21
68
Table 1. Common Emitter S–Parameters
S22
|S22|
∠Ăφ
0.88
– 16
0.71
– 27
0.62
– 34
0.58
– 43
0.56
– 51
0.75
– 25
0.55
– 31
0.48
– 36
0.45
– 44
0.43
– 51
0.62
– 30
0.44
– 32
0.41
– 36
0.38
– 45
0.35
– 52
0.52
– 32
0.39
– 30
0.37
– 35
0.34
– 43
0.32
– 52
0.48
– 29
0.38
– 27
0.37
– 33
0.34
– 44
0.32
– 51
MMBR911LT1
4
MOTOROLA RF DEVICE DATA