AA264-87 Datasheet, PDF (2/5 Pages) Alpha Industries – GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5-2 GHz

GaAs IC 4 Bit Digital Attenuator 2 dB LSB Positive Control 0.5–2 GHz
AA264-87
Typical Performance Data (0, +5 V)
0
-0.5
-1.0
-1.5
-40˚C
+85˚C
-2.0
+25˚C
-2.5
-3.0
-3.5
0
0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
Insertion Loss vs. Frequency
60
+85˚C
55
+25˚C
50
-40˚C
45
40
35
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Attenuation (dB)
IP3 vs. Attenuation and
Temperature (500 MHz)
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
29.0
28.9
29.0
2 dB
5
28.3
28.1
28.1
4 dB
5
35.2
34.7
35.0
8 dB
5
25.8
25.3
25.4
16 dB
5
21.7
21.3
21.6
30 dB
5
24.4
23.2
27.2
2.2
30 dB
2.0
16 dB
1.8
8 dB
4 dB
1.6
2 dB
1.4
1.2
1.0
0
Ins. Loss
0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
VSWR vs. Frequency (25˚C)
2.2
30 dB
2.0
16 dB
1.8
8 dB
4 dB
1.6
2 dB
1.4
1.2
1.0
0
Ins. Loss
0.5 1.0 1.5 2.0 2.5 3.0
Frequency (GHz)
VSWR vs. Frequency (85˚C)
2.2
30 dB
2.0
16 dB
1.8
8 dB
4 dB
1.6
2 dB
1.4
1.2
1.0
0
Ins. Loss
0.5 1.0 1.5 2.0 2.5 3.0
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. 9/00A