DEMO-ALM-81224 Datasheet, PDF (11/23 Pages) Broadcom Corporation. – High Linearity 1450 – 2750 MHz Variable Gain Amplifier

Typical 2140 MHz RF Performance Plots
Application circuit and build of material can be seen in Figure 70 and Table 3 respectively.
0
-5
-10
-15
-20
-25
25° C
-30
-40° C
85° C
-35
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Frequency (GHz)
Figure 44. S11 vs Freq at 2140 MHz
0
-3
-6
-9
-12
-15
-18
-21
-24
0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
Figure 45. S22 vs Freq at 2140 MHz
25° C
-40° C
85° C
3.5 4.0
30
25
20
15
10
5
0
-5
-10
0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
Figure 46. S21 vs Freq at 2140 MHz
25° C
-40° C
85° C
3.5 4.0
0
-5
-10
-15
-20
-25
-30
-35
-40
0V 3V
1 V 3.5 V
-45
2V
-50
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Frequency (GHz)
Figure 47. S11 vs Freq at different Vc_att at 2140 MHz at 25° C
0
-3
-6
-9
-12
-15
-18
0V 3V
-21
1 V 3.5 V
2V
-24
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Frequency (GHz)
Figure 48. S22 vs Freq at different Vc_att at 2140 MHz at 25° C
30
20
10
0
-10
-20
-30
0V 3V
-40
1 V 3.5 V
2V
-50
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Frequency (GHz)
Figure 49. S21 vs Freq at different Vc_att at 2140 MHz at 25° C
11