MC13821_09 Datasheet, PDF (36/42 Pages) Freescale Semiconductor, Inc – Low Noise Amplifier with Bypass Switch

Scattering Parameters
f
(GHz)
1
1.575
1.9
2.14
2.4
f
(GHz)
1
1.575
1.9
2.14
2.4
Table 15. Noise Parameters
(V_CC = 2.7 V, Enable = 2.75 V, Rbias = 1.2 kΩ, I_CC = 4.8 mA)
NFmin
(dB)
Gamma Opt
Mag
Ang
Rn
(Ω)
rn
G_NF
(Ω)
(dB)
K
1.11
0.27
25.3
14
0.28
26.21
0.63
0.99
0.29
40.8
13
0.26
22.63
0.74
0.96
0.30
46.9
12.5
0.25
20.83
0.70
0.96
0.30
50.1
12.5
0.25
19.8
0.78
0.97
0.30
54.0
12
0.24
18.3
0.89
Table 16. Noise Parameters
(V_CC = 2.7 V, Enable = 2.75 V, Rbias = 2 kΩ, I_CC = 2.8 mA)
NFmin
(dB)
Gamma Opt
Mag
Ang
Rn
(Ω)
rn
G_NF
(Ω)
(dB)
K
1.16
0.23
27.6
15.5
0.31
26.09
0.48
1.02
0.35
39.0
15
0.3
22.57
0.56
0.97
0.37
46.2
14
0.28
20.81
0.53
0.96
0.37
49.7
14
0.28
19.79
0.61
0.95
0.37
54.1
13.5
0.27
18.3
0.77
MC13821 Data Sheet: Technical Data, Rev. 1.5
36
Freescale Semiconductor