AT20-0107_1 Datasheet, PDF (3/4 Pages) Tyco Electronics – Digital Attenuator 31.5dB, 6-Bit, TTL Driver, DC-2.0 GHz

Digital Attenuator
31.5 dB, 6-Bit, TTL Driver, DC-2.0 GHz
RoHS
Compliant
AT20-0107
V5
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
Insertion Loss vs. Frequency
+ 8 5 °C + 2 5 °C
- 4 0 °C
4
3
2
1
0
0
0.5
1
1.5
2
Frequency (GHz)
Attenuation Accuracy vs. Frequency
16 dB
8 dB
3 1. 5 dB
0.8
0.6
0.4
0.2
0
- 0.2
- 0.4
- 0.6
- 0.8
0
0.5
1
1.5
2
Frequency (GHz)
Truth Table (Digital Attenuator)
C16 C8 C4 C2 C1 C0.5 Attenuation
0
0
0
0
0
0 Loss, Reference
0
0
0
0
0
1
0.5 dB
0
0
0
0
1
0
1.0 dB
0
0
0
1
0
0
2.0 dB
0
0
1
0
0
0
4.0 dB
0
1
0
0
0
0
8.0 dB
1
0
0
0
0
0
16.0 dB
1
1
1
1
1
1
31.5 dB
0 = TTL Low; 1 = TTL High
Attenuation Accuracy vs. Frequency
1 dB
2 dB 0.5 dB 4 dB
0.6
0.4
0.2
0
- 0.2
- 0.4
- 0.6
0
0.5
1
1.5
2
Frequency (GHz)
RF1 VSWR vs. Frequency
Loss & 0 .5 dB
2
2 dB 1 dB
4 dB 8 & 16 dB
1.8
1.6
1.4
1.2
1
0
0.5
1
1.5
2
Frequency (GHz)
3
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