DEMO-MGA-24106 Datasheet, PDF (6/19 Pages) Broadcom Corporation. – High-Gain, Low Current Low Noise Amplifier

Unless otherwise stated, all data is taken at Freq = 1.575GHz based on the demoboard components of Figs 4 and 5.
Deembedding was made to account for the board losses in measurements.
Figure 3. Frequency response up to 6GHz at Vdd=2.7V, Idd=3.3mA – tuned
for GPS application
6
R2=4.7 kΩ
5
R2=8.2 kΩ
R2=12 kΩ
4
R2=18 kΩ
R2=27 kΩ
3
2
1
0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
Vsd (V)
Figure 4. Idd vs Vsd with Vdd=1.8V
8.0
7.0
R2=4.7 kΩ
R2=8.2 kΩ
6.0
R2=12 kΩ
R2=18 kΩ
5.0
R2=27 kΩ
4.0
3.0
2.0
1.0
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
Vsd (V)
Figure 5. Idd vs Vsd with Vdd=2.7V
22.0
20.0
Vdd=3.3V
18.0
Vdd=2.7V
Vdd=1.8V
16.0
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
Vsd (V)
Figure 6. Idd vs Vsd with R2 =0 ohm
5.0
4.5
Vdd=3.3V
Vdd=2.7V
4.0
Vdd=1.8V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
Vsd (V)
Figure 7. Idd vs Vsd with R2 = 27k ohm
1.20
1.15
Vdd=3.3V
Vdd=2.7V
1.10
Vdd=1.8V
1.05
1.00
0.95
0.90
0.85
0.80
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0
Idd (mA)
Figure 8. NF vs Idd
6