RFSA2654 Datasheet, PDF (3/9 Pages) RF Micro Devices – SERIAL CONTROLLED 7 DIGITAL STEP ATTENUATOR 5MHz TO 2000MHz, 6-BIT, 0.5dB

RFSA2654
Typical Performance - Broadband Application Circuit
Insertion Loss versus Frequency
3.0
2.5
2.0
1.5
1.0
-40°C
25°C
0.5
85°C
0.0
0
500
1,000
1,500
Frequency (MHz)
2,000
Normalized Attenuation versus Frequency
0
-5
-10
-15
-20
0.5dB
1dB
2dB
4dB
8dB
16dB
-25
31.5dB
-30
-35
0
500
1000
1500
Frequency (MHz)
2000
Input Return Loss versus Frequency
45
40
0dB
0.5dB
1dB
2dB
35
4dB
8dB
30
16dB
31.5dB
25
20
15
10
5
0
0
500
1000
1500
2000
Frequency (MHz)
Output Return Loss versus Frequency
45
0dB
0.5dB
40
1dB
2dB
35
4dB
8dB
16dB
31.5dB
30
25
20
15
10
5
0
0
500
1000
1500
2000
Frequency (MHz)
Relative Phase versus Frequency
50
0.5dB
1dB
2dB
40
8dB
4dB
16dB
31.5dB
30
20
10
0
-10
0
500
1000
1500
Frequency (MHz)
2000
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
500
1000
1500
Frequency (MHz)
2000
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