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Digital Attenuator
General Information
The CSI Digital Attenuator is a 4 bit, 2 dB step attenuator in a small package with type N connectors.
The unit is ideally suited for applications where high accuracy, low power consumption, and low
intermodulation products are required. The Digital Attenuator can be biased either through the
coaxial connections or a separate bias jack.
Specifications
| Attenuation Accuracy |
+/-(0.3 + 5% of attenuation) |
| Input DC Power |
5V +/-0.2 @ <1ma |
| Insertion Loss |
2.5 dB |
| VSWR |
1.3 : 1 |
| 1 dB Compression (Input) |
+25 dBm |
| Bias Connector |
2.1 mm jack |
| Connectors |
N-Female/SMA |
| Size |
2.0" x 1.5" x 0.8" |
Dip Switch Attenuator Settings
| SW-4 |
SW-3 |
SW-2 |
SW-1 |
Attenuation (dB) |
| 0 |
0 |
0 |
0 |
Reference (IL) |
| 0 |
0 |
0 |
1 |
2 |
| 0 |
0 |
1 |
0 |
4 |
| 0 |
1 |
0 |
0 |
8 |
| 1 |
0 |
0 |
0 |
16 |
| 1 |
1 |
1 |
1 |
30 |
Note: 0 = switch off 1 = switch on
Specifications subject to change without notice.
Copyright Cellular Specialties, Inc. -021-0021-001 REV A
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