MMBR951ALT1 Datasheet, PDF (9/16 Pages) Motorola, Inc – NPN Silicon Low Noise, High-Frequency Transistors

+ j1
+ j0.5
+ j2
+ j0.2
20
1.1
19
18
1.3
1.5
17 _1.7
– j0.2
VCE = 6.0 V
IC = 5.0 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT Rn
K
0.5
1.13
0.35 ∠ 68°
9
0.68
– j0.5
– j2
– j1
Figure 10. MMBR951LT1 Constant Gain and Noise Figure Contours
(f = 0.5 GHz)
+ j1
+ j0.5
+ j2
+ j0.2
15.8
1.5
15
14
1.6
1.8
2
– j0.2
VCE = 6.0 V
IC = 5.0 mA
— AREA OF INSTABILITY
f (GHz) NF OPT (dB) ΓMS NF OPT Rn
K
1.0
1.45
0.16 ∠ 124°
8
0.97
– j0.5
– j2
– j1
Figure 11. MMBR951LT1 Constant Gain and Noise Figure Contours
(f = 1.0 GHz)
MOTOROLA RF DEVICE DATA
MMBR951 MRF957 MRF9511 SERIES
9