RFSA2654 Datasheet, PDF (4/9 Pages) RF Micro Devices – SERIAL CONTROLLED 7 DIGITAL STEP ATTENUATOR 5MHz TO 2000MHz, 6-BIT, 0.5dB

RFSA2654
Typical Performance - Broadband Application Circuit
Major Step Error versus Frequency
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
0
0.5dB
2dB
8dB
31.5dB
1dB
4dB
15.5dB
500
1000
1500
Frequency (MHz)
2000
Step Error versus Attenuation
1.0
0.8
5MHz
300MHz
800MHz
1200MHz
0.6
1800MHz
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
4
8
12
16
20
24
28
32
Attenuation (dB)
60
55
50
45
40
35
30
0
Input IP3 versus Frequency
0dB
1dB
4dB
16dB
0.5dB
2dB
8dB
31.5dB
500
1000
1500
Frequency (MHz)
2000
Input P0.5dB versus Frequency
35
30
25
20
15
0
0dB
1dB
4dB
16dB
0.5dB
2dB
8dB
31.5dB
400
800
1200
1600
2000
Frequency (MHz)
4 of 9
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DS121031