RFSA2514 Datasheet, PDF (6/13 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 5-BIT, 0.5dB LSB

RFSA2514
Typical Performance at 3V V_DD - Broadband Application Circuit
Insertion Loss versus Frequency
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
-40°C
25°C
85°C
1,000
2,000
Frequency (MHz)
3,000
4,000
Input Return Loss versus Frequency
45
40
35
30
25
20
15
10
5
0
0
0dB
1dB
4dB
15.5dB
0.5dB
2dB
8dB
1000
2000
Frequency (MHz)
3000
4000
Relative Phase versus Frequency
20
0.5dB
1dB
2dB
4dB
8dB
15.5dB
10
0
-10
0
1000
2000
Frequency (MHz)
3000
4000
Normalized Attenuation versus Frequency
0
-2
-4
-6
-8
-10
0.5dB
1dB
2dB
4dB
-12
8dB
15.5dB
-14
-16
-18
0
1000
2000
Frequency (MHz)
3000
4000
Output Return Loss versus Frequency
45
0dB
0.5dB
40
1dB
2dB
35
4dB
8dB
15.5dB
30
25
20
15
10
5
0
0
1000
2000
3000
4000
Frequency (MHz)
Worst Case Step Error Between
Successive States
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
0
1000
2000
Frequency (MHz)
3000
4000
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