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參數(shù)資料
| 型號： | MRF9411LT1 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 小信號晶體管 |
| 英文描述： | NPN Silicon Low Noise, High-Frequency Transistors |
| 中文描述： | L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| 文件頁數(shù)： | 15/17頁 |
| 文件大小： | 309K |
| 代理商： | MRF9411LT1 |
2–15
MMBR941 MRF947 MRF9411 SERIES
MOTOROLA RF DEVICE DATA
0.2
0.5
1
2
VCE = 6 V
IC = 5 mA
f
(GHz)
1.0
Figure 23. MRF947 Series Constant Gain and
Noise Figure Contours
f = 1 GHz
0.2
0.5
1
2
VCE = 6 V
IC = 5 mA
f
(GHz)
1.5
Figure 24. MRF947 Series Constant Gain and
Noise Figure Contours
f = 1.5 GHz
NF
OPT
1.5 dB 0.33
∠
77
°
Γ
o
RN
14
K
0.87
j0.5
NF
OPT
1.75 dB 0.26
∠
141
°
15
Γ
o
RN
K
0.96
AREA OF INSTABILITY
AREA OF INSTABILITY
Figure 25. MRF947 Series Constant Gain and Noise Figure Contours
0.2
0.5
1
2
VCE = 1 V
IC = 0.5 mA
f
(GHz)
1.0
f = 1 GHz
NF
OPT
1.95 dB 0.59
∠
72
°
Γ
MS
NF OPT
RN
30
K
0.50
2
j0.5
j0.2
–j0.5
–j1
–j2
j2
j1
–j0.2
AREA OF INSTABILITY
INPUT
OUTPUT
8.4
8
7
2.3
2.1
OUTPUT
11
10
3.0
13
j0.5
j0.2
–j0.5
–j1
–j2
j2
j1
12
–j0.2
5.0
2.0
INPUT
4.0
1.75
13
j0.2
–j0.5
–j1
–j2
j2
j1
4.0
15
16
–j0.2
14
INPUT
OUTPUT
5.0
2.0
3.0
1.5
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