RFDA2026 Datasheet, PDF (4/16 Pages) RF Micro Devices – DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER 1400MHz to 2700MHz, 6-BIT 0.5dB LSB CONTROL

RFDA2026
1400MHz to 2400MHz Application Circuit Data
Gain versus Frequency and Attenuation State
35
30
25
20
15
10
0dB
0.5dB
1dB
2dB
5
4dB
8dB
16dB
31.5dB
0
-5
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
Frequency (GHz)
Normalized Attenuation versus
Attenuation State
0
-5
-10
-15
-20
0dB
0.5dB
1dB
2dB
-25
4dB
8dB
16dB
31.5dB
-30
-35
1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
Frequency (GHz)
Input Return Loss versus Frequency and
Attenuation State
0
-5
-10
-15
-20
-25
-30
-35
0dB
0.5dB
1dB
2dB
-40
4dB
8dB
-45
16dB
31.5dB
-50
1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
Frequency (GHz)
Gain versus Frequency and Temperature at 0dB
Attenuation State
35
34
33
32
31
30
29
25°C
85°C
28
-40°C
27
1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4
Frequency (GHz)
Bit Error versus Frequency and
Attenuation State
0.2
0.0
-0.2
-0.4
-0.6
-0.8
0dB
0.5dB
-1.0
1dB
2dB
4dB
8dB
-1.2
16dB
31.5dB
-1.4
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
Frequency (GHz)
Output Return Loss versus Frequency and
Attenuation State
-8
0dB
0.5dB
-9
1dB
2dB
4dB
8dB
-10
16dB
31.5dB
-11
-12
-13
-14
-15
-16
1.4 1.5 1.6 1.7 1.8 1.9
2
Frequency (GHz)
2.1 2.2 2.3 2.4
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