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MMBR947AT1 查看數據表(PDF) - Motorola => Freescale
零件编号
产品描述 (功能)
生产厂家
MMBR947AT1
NPN Silicon Low Noise, High-Frequency Transistors
Motorola => Freescale
MMBR947AT1 Datasheet PDF : 17 Pages
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+ j0.5
+ j0.2
– j0.2
– j0.5
+ j1
+ j2
11.2
11
10
1.6
1.8
2
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB)
Γ
MS NF OPT RN
K
0.5
1.60
0.70
∠
35
°
40
0.22
– j2
– j1
Figure 19. MRF9411LT1 Constant Gain and Noise Figure Contours
(f = 0.5 GHz)
+ j1
+ j0.5
+ j2
2
+ j0.2
2.1
8.6
2.3
8
7
– j0.2
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB)
Γ
MS NF OPT RN
K
1.0
1.95
0.55
∠
69
°
30
0.39
– j0.5
– j2
– j1
Figure 20. MRF9411LT1 Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
MOTOROLA RF DEVICE DATA
MMBR941 MRF947 MRF9411 SERIES
2–13
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