AT20-0263_15 Datasheet, PDF (3/5 Pages) M/A-COM Technology Solutions, Inc. – Digital Attenuator

AT20-0263
Digital Attenuator
31.0 dB, 5-Bit, TTL Driver, DC-2.0 GHz
Handling Procedures
Please observe the following precautions to avoid
damage:
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive
to electrostatic discharge (ESD) and can be
damaged by static electricity. Proper ESD control
techniques should be used when handling these
devices.
Typical Performance Curves
Ref. Insertion Loss vs. Frequency
+ 8 5 °C + 2 5 °C - 55 °C
5
4
3
2
1
0
0.0
0.5
1.0
1.5
2.0
Frequency (GHz)
VSWR vs. Frequency
Rev. V5
Truth Table (Digital Attenuator)
Control Inputs
C5 C4 C3 C2 C1
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
0
1
1
1
1
1
0 = TTL Low; 1 = TTL High
Attenuation
Reference
1 dB
2 dB
4 dB
8 dB
16 dB
31 dB
Attenuation Accuracy vs. Frequency
1,2 ,4 ,8 ,16 d B
0.5
F ull A t t enuat io n
0
-0.5
-1
-1.5
0.0
0.5
1.0
1.5
2.0
Fre que ncy (GHz )
4 dB State
1 dB State
2.00
1.80
1.60
1.40
1.20
1.00
0.00
0.50
1.00
1.50
2.00
Frequency (GHz)
3
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