AA280-25 Datasheet, PDF (2/5 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
Typical Performance Data (0, -5 V)
-0.50
-0.75
-1.00
-1.25
-40˚C
+85˚C
+25˚C
-1.50
-1.75
-2.00
0
0.5
1.0
1.5
2.0
Frequency (GHz)
Insertion Loss vs. Frequency
58
+25˚C
56
+85˚C
54
52
-40˚C
50
48
46
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Attenuation (dB)
IP3 vs. Attenuation and Temperature
Compression Point vs. Attenuation,
Voltage, and Temperature
Attenuation Control ^{Input Power @ 1 dB Compression}
State Voltage (V) ⁺²⁵°C (dBm) +85°C (dBm) -40°C (dBm)
Ins. Loss
-5
28.30
28.10
29.10
0.5 dB
-5
28.50
28.30
29.40
1.0 dB
-5
28.70
28.70
29.60
2.0 dB
-5
28.40
28.30
29.10
4.0 dB
-5
32.90
32.90
33.90
8.0 dB
-5
36.80
36.80
36.80
15.5 dB
-5
32.70
32.10
32.80
AA280-25
1.5
15.5 dB
1.4
8 dB
4 dB
1.3
2 dB
1.2
1 dB _{0.5 dB}
Ins. Loss
1.1
1.0
0
0.5
1.0
1.5
2.0
Frequency (GHz)
VSWR vs. Frequency (25˚C)
1.5
15.5 dB 8 dB
1.4
1.3
4 dB
2 dB
1.2
1.1
1.0
0
0.5 dB
Ins. Loss
1 dB
0.5
1.0
1.5
2.0
Frequency (GHz)
VSWR vs. Frequency (85˚C)
1.5
1.4
15.5 dB _{8 dB}
4 dB
1.3
2 dB
1.2
0.5 dB
Ins. Loss
1.1
1 dB
1.0
0
0.5
1.0
1.5
2.0
Frequency (GHz)
VSWR vs. Frequency (-40˚C)
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
Specifications subject to change without notice. 11/00A