MRF5811LT1 Datasheet, PDF (4/8 Pages) Motorola, Inc – LOW NOISE HIGH-FREQUENCY TRANSISTOR NPN SILICON

26
24
22
20
18
16
14
12
10
8
6
4
2
0
0.1
MSG
MAG
VCE = 6 Vdc
IC = 50 mA
0.2 0.3
0.5 0.7 1
f, FREQUENCY (GHz)
23
Figure 6. MSG — Maximum Stable Gain,
MAG — Maximum Available Gain versus Frequency
26
24
22
20
18
16
14
12
10
8
6
4
2
0
0.1
GNF
NFmin
0.2 0.3 0.5 0.7 1
f, FREQUENCY (GHz)
4
3
VCE = 6 Vdc 2
IC = 50 mA 1
23
Figure 7. Minimum Noise Figure and Gain @
Minimum Noise Figure versus Frequency
20
18
16
GNF
14
12
3
10
2.5
8
2
NF
1.5
VCE = 6 Vdc
1
f = 500 MHz
Γ_S = Γ_OPTIMUM
0 10 20 30 40 50 60 70 80 90 100
IC, COLLECTOR CURRENT (mA)
Figure 8. Noise Figure and Gain @ Minimum
Noise Figure versus Collector Current
VCE (Vdc)
IC (mA)
f (MHz)
NFmin (dB)
|Gam Opt|
< Gam Opt
Rn
6.0
10
500
1.64
0.49
–164
3.5
1000
2.81
0.68
–173
3.5
50
500
2.0
0.51
–177
3.9
1000
2.85
0.61
–168
4.7
Table 1. Common Emitter Noise Parameters
MRF5811LT1
4
MOTOROLA RF DEVICE DATA