MMBR951ALT1 Datasheet, PDF (10/16 Pages) Motorola, Inc – NPN Silicon Low Noise, High-Frequency Transistors

+ j1
+ j0.5
+ j2
+ j0.2
– j0.2
1.2
21.1
1.4
20
19
1.6
18 1.8
VCE = 6.0 V
IC = 5.0 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT Rn
K
0.5
1.20
0.37 ∠ 69°
10
0.42
– j0.5
– j2
– j1
Figure 12. MRF9511LT1 Constant Gain and Noise Figure Contours
(f = 0.5 GHz)
+ j1
+ j0.5
+ j2
+ j0.2
17.8
– j0.2
1.5
17 ₁₆
15
1.7 _1.9
2.1
VCE = 6.0 V
IC = 5.0 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT Rn
K
1.0
1.50
0.19 ∠ 120°
9
0.74
– j0.5
– j2
– j1
Figure 13. MRF9511LT1 Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
MRF957T1, T3
MMBR951 MRF957 MRF9511 SERIES
10
MOTOROLA RF DEVICE DATA