DEMO-ALM-38140 Datasheet, PDF (6/16 Pages) Broadcom Corporation. – 50MHz – 4GHz PIN Diode Variable Attenuator Module

ALM-38140 Typical Over-Temperature Broadband Performance
(Vsupply = 2.7 V, Vctrl = 0.8 V & 5 V)
0.00
0.0000
1000.00 2000.00 3000.00 4000.00
-20.0000
-40.0000
-60.0000
-80.0000
-40°C
25°C
85°C
Frequency (MHz)
Figure 6. S21 at Vctrl=0.8V (Attenuation) vs Frequency vs Temperature
0.00
-20.00
-40.00
25°C
-60.00
85°C
-40°C
-80.00
0
1000
2000
3000
4000
Frequency (MHz)
Figure 7. S21 at Vctrl=1V (Attenuation) vs Frequency vs Temperature
0.00
25°C
-1.00
85°C
-40°C
-2.00
-3.00
-4.00
-5.00
0
1000
2000
3000
4000
Frequency (MHz)
Figure 8. S21 at Vctrl=5V (Insertion Loss) vs Frequency vs Temperature
110.00
90.00
70.00
25°C
85°C
-40°C
50.00
30.00
10.00
-10.00
0.00
10.00
20.00
30.00
40.00
Attenuation (dB)
Figure 9. Phase shift vs Attenuation vs Temperature at 900MHz
140.00
120.00
100.00
80.00
60.00
40.00
20.00
0.00
-20.00
0.00
25°C
85°C
-40°C
10.00
20.00
30.00
40.00
Attenuation (dB)
Figure 10. Phase shift vs Attenuation vs Temperature at 1900MHz
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