MC13820 Datasheet, PDF (31/38 Pages) Freescale Semiconductor, Inc – Low Noise Amplifier with Bypass Switch

Scattering Parameters
(shaded regions are potentially unstable)
f(GHz)
NFmin
Gamma-Opt
Rn (Ω)
K
1.575
1.02
0.30/_38.2
13.5
0.74
Figure 15. Constant Noise Figure and Gain Circles. 1575 MHz, Rbias = 1.2 kΩ
(shaded regions are potentially unstable)
f(GHz)
NFmin
Gamma-Opt
Rn (Ω)
K
1.575
0.97
0.34/_39.1
17.0
0.56
Figure 16. Constant Noise Figure and Gain Circles. 1575 MHz, Rbias = 2 kΩ
MC13820 Technical Data, Rev. 1.1
Freescale Semiconductor
31