AA280-25 Datasheet, PDF (4/5 Pages) Alpha Industries – GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC-2 GHz

GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB DC–2 GHz
AA280-25
Typical Performance Data (0, -3 V)
-0.50
-0.75
-1.00
-1.25
-1.50
-40˚C
85˚C
+25˚C
-1.75
-2.00
0
0.5
1.0
1.5
2.0
Frequency (GHz)
Insertion Loss vs. Frequency
1.5
15.5 dB
1.4
8 dB
1.3
1.2
0.5 dB
2 dB
4 dB
Ins. Loss
1.1
1.0
0
1 dB
0.5
1.0
1.5
2.0
Frequency (GHz)
VSWR vs. Frequency (25˚C)
25
20
15
15.5 dB
10
1 dB
5
8 dB
4 dB
0
2 dB
0.5 dB
-5
0
0.5
1.0
1.5
2.0
Frequency (GHz)
Attenuation Phase Accuracy
vs. Frequency (25˚C)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
8 dB
4 dB
2 dB
15.5 dB
0.5 dB
1 dB
0.5
1.0
1.5
2.0
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (25˚C)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0
8 dB
4 dB
15.5 dB
2 dB
1 dB
0.5 dB
0.5
1.0
1.5
2.0
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (85˚C)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
0.5 dB 8 dB
4 dB 2 dB
15.5 dB
1 dB
0.5
1.0
1.5
2.0
Frequency (GHz)
Attenuation Accuracy
vs. Frequency (-40˚C)
4
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
Specifications subject to change without notice. 11/00A