MRF1047T1 Datasheet, PDF (10/12 Pages) Motorola, Inc – NPN Silicon Low Noise Transistor

MRF1047T1
Figure 16. Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
j1.0
j0.5
j2.0
j0.2
NF Opt = 1.16 dB
-āj0.2
11 dB
10
9.0
8.0
2.0 dB
3.0
4.0
5.0
-āj0.5
-āj2.0
-āj1.0
0.2
0.5
1.0
2.0
V_CE = 1.0 V
I_C = 1.0 mA
— Potentially Unstable
f (GHz) NF Opt (dB)
Γ_o
Rn K
1.0
1.16
0.57 é 51.3° 21.8 0.49
Figure 17. Constant Gain and Noise Figure Contours
(f = 2.0 GHz)
j1.0
j0.5
j2.0
j0.2
-āj0.2
NF Opt = 1.41 dB
8.0 dB
7.0
6.0
5.0
2.0 dB
3.0
4.0
5.0
-āj0.5
-āj2.0
-āj1.0
0.2
0.5
1.0
2.0
V_CE = 1.0 V
I_C = 1.0 mA
— Potentially Unstable
f (GHz) NF Opt (dB)
Γ_ο
Rn K
2.0
1.41
0.48 é 115.6° 9.8 0.92
10
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