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RFSA2524 Datasheet, PDF (4/13 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 5-BIT, 1dB LSB
RFSA2524
Typical Performance at 5V VDD - Broadband Application Circuit
Insertion Loss versus Frequency
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
50
45
0dB
1dB
2dB
4dB
40
8dB
16dB
35
31dB
30
25
20
15
10
5
0
0
1000
2000
3000
4000
Frequency (MHz)
Relative Phase versus Frequency
50
1dB
2dB
40
4dB
8dB
16dB
31dB
30
20
10
0
-10
0
1000
2000
Frequency (MHz)
3000
4000
Normalized Attenuation versus Frequency
0
-5
-10
-15
-20
1dB
2dB
4dB
8dB
-25
16dB
31dB
-30
-35
0
1000
2000
Frequency (MHz)
3000
4000
Output Return Loss versus Frequency
45
40
35
30
25
20
15
10
5
0
0
0dB
2dB
8dB
31dB
1dB
4dB
16dB
1000
2000
Frequency (MHz)
3000
4000
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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