Scattering and Noise Parameters
Figure 5. Constant Noise Figure and Gain Circles: 1900 MHz
Figure 6 shows minimum noise figure and associated gain versus frequency for the packaged device in a
50 Ω system at four bias levels.
2.50
40
2.30
2.10
35
Nfmin (dB) 2.7V
1.90
30
Nfmin (dB) 3V
1.70
25
Nfmin (dB) 3.3V
1.50
20
Nfmin (dB) 3.5V
1.30
15
Associated Gain (dB) 2.7V
1.10
0.90
10
Associated Gain (dB) 3V
0.70
5
Associated Gain (dB) 3.3V
0.2 0.6 1 1.4 1.8 2.2 2.6
Associated Gain (dB) 3.5V
Frequency (GHz)
Figure 6. Minimum Noise Figure and Associated Gain vs. Frequency at 25°C
MBC13917 Advance Information, Rev. 1.0
18
Freescale Semiconductor