MMBR947BT1 查看數據表（PDF） - Motorola => Freescale
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MMBR947BT1 Datasheet PDF : 17 Pages
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+ j0.5
+ j0.2
– j0.2
+ j1
+ j2
1.5
1.7
11
1.9
2.1
10
9
8
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT RN
K
0.5
1.54
0.71 ∠ 39°
38
0.28
– j0.5
– j2
– j1
Figure 15. MMBR941LT1, T3 Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
+ j0.5
+ j0.2
8.6
– j0.2
+ j1
+ j2
2
2.1 2.3
2.5
8
7
6
VCE = 1.0 V
IC = 0.5 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT RN
K
1.0
1.95
0.55 ∠ 76°
28
0.51
– j0.5
– j2
– j1
Figure 16. MMBR941LT1, T3 Constant Gain and Noise Figure Contours
(f = 0.5 GHz)
MOTOROLA RF DEVICE DATA
MMBR941 MRF947 MRF9411 SERIES
2–11
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