RFSA2614 Datasheet, PDF (4/9 Pages) RF Micro Devices – PARALLEL CONTROLLED DIGITAL STEP ATTENUATOR 50-4000MHz, 6-BIT, 0.5dB LSB

RFSA2614
Typical Broadband Application Circuit Performance
(with and without ACG capacitors)
Worst Case Step Error between Successive States
(w/ACG caps)
2.0
Worst Case Step Error between Successive States
(no ACG caps)
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0.0
0.0
-0.5
-0.5
-1.0
-1.0
-1.5
-1.5
-2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
-2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
Step Error versus Frequency, All States (w/ACG caps)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
Step Error versus Frequency, All States (no ACG caps)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Frequency (GHz)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0
Step Error versus Attenuation (w/ACG caps)
450 MHz
850 MHz
2 GHz
3.3 GHz
150 MHz
1 GHz
2.7 GHz
3.8 GHz
4
8
12
16
20
24
28
32
Attenuation State (dB)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0
Step Error versus Attenuation (no ACG caps)
850 MHz
2 GHz
3.3 GHz
1 GHz
2.7 GHz
3.8 GHz
4
8
12
16
20
24
28
32
Attenuation State (dB)
4 of 9
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