RFSA2644 Datasheet, PDF (4/12 Pages) RF Micro Devices – SERIAL CONTROLLED DIGITAL STEP ATTENUATOR 50MHz TO 4000MHz, 6-BIT, 0.5dB LSB

RFSA2644
Typical Performance at 5V V_DD - 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
45
40
35
30
25
20
15
10
5
0
0
0dB
2dB
16dB
0.5dB
1dB
4dB
8dB
31.5dB
1000
2000
Frequency (MHz)
3000
4000
Relative Phase versus Frequency
60
50
0.5dB
1dB
2dB
4dB
8dB
16dB
40
31.5dB
30
20
10
0
-10
0
1000
2000
Frequency (MHz)
3000
4000
Normalized Attenuation versus Frequency
0
-5
-10
-15
-20
0.5
1
2
-25
4
8
16
31.5
-30
-35
0
1000
2000
Frequency (MHz)
3000
4000
Output Return Loss versus Frequency
50
45
40
35
30
25
20
15
0dB
0.5dB
1dB
10
2dB
4dB
8dB
5
16dB
31.5dB
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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DS120706