MRF577T1 Datasheet, PDF (9/12 Pages) Motorola, Inc – The RF Small Signal Line NPN Silicon High-Frequency Transistor

j1.0
j0.5
j2.0
j0.2
16.2
– j0.2
1.0
16.0
15.0
14.0 _13.0
1.2
1.5
2.0
VCE = 3.0 V
IC = 5.0 mA
— Potentially Unstable
f (MHz) NF OPT (dB) ΓMS NF OPT RN K
500
1.03
é 0.34 88°
8 0.69
– j0.5
– j2.0
– j1.0
0.2
0.5
1.0
2.0
Figure 11. MRF577T1 Constant Gain and Noise Figure Contours
j1.0
j0.5
j2.0
j0.2
11.2
11.0
– j0.2
1.5
1.7 _2.5
10.0 _{9.0 8.0}
3.0
4.0
VCE = 3.0 V
IC = 5.0 mA
f (MHz) NF OPT (dB) ΓMS NF OPT RN K
1000
1.47
é 0.42 149° 5 1.02
– j0.5
– j2.0
– j1.0
0.2
0.5
1.0
2.0
Figure 12. MRF577T1 Constant Gain and Noise Figure Contours
MOTOROLA RF DEVICE DATA
MRF577T1
9