GaAs IC 4 Bit Digital Attenuator 1 dB LSB Positive Control 0.5–3.0 GHz
AA105-86
0.5
30
Deviation from Nominal
Attenuation (dB)
Deviation from Nominal
Insertion Phase (Deg.)
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.5
15 dB
8 dB
4 dB
2 dB
25
20
8 dB
15 dB
15
10
5
0
-5
-10
0
0.5
1.0
1 dB
2 dB
4 dB
1 dB
1.0
1.5
2.0
2.5
3.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (25˚C)
Attenuation Phase Accuracy
vs. Frequency (25˚C)
0.5
30
15 dB
Deviation from Nominal
Attenuation (dB)
Deviation from Nominal
Insertion Phase (Deg.)
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.5
25
20
8 dB
4 dB
2 dB
8 dB
15 dB
15
10
5
0
-5
-10
0
0.5
1 dB
1.0
1.5
2 dB
4 dB
1 dB
1.0
1.5
2.0
2.5
3.0
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (85˚C)
0.5
30
15 dB
Attenuation Phase Accuracy
vs. Frequency (85˚C)
Deviation from Nominal
Attenuation (dB)
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.5
Deviation from Nominal
Insertion Phase (Deg.)
0.4
25
20
15
10
5
0
-5
-10
0
0.5
2 dB
1 dB
1.0
1.5
2.0
2.5
3.0
4 dB
8 dB
15 dB
8 dB
4 dB
2 dB
1 dB
1.0
1.5
2.0
2.5
3.0
Frequency (GHz)
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (-40˚C)
Attenuation Phase Accuracy
vs. Frequency (-40˚C)
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 9/00A
3
ALPHA [ ALPHA INDUSTRIES ]
