Overview
Description
The F1951 Digital Step Attenuator (DSA) featuring Glitch-Free™ technology improves system reliability and settling time. It has an attenuation range of 31.5dB with excellent accuracy and very low distortion.
Features
- Glitch-Free, < 0.6dB transient overshoot
- 100MHz to 5000MHz frequency range
- Spurious free design
- 3V to 5V supply
- Attenuation error < 0.2dB at 2GHz
- Low insertion loss < 1.2dB at 2GHz
- Excellent linearity +68dBm IP3I
- Fast settling time, < 400nsec
- Class 2 JEDEC ESD (> 2kV HBM)
- Serial interface 31.5dB range
- 4mm x 4mm thin VFQFPN 24-pin package
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 2.48 MB | |
| Guide | PDF 2.24 MB | |
| Guide | PDF 2.83 MB | |
| Product Brief | PDF 1.07 MB | |
| Application Note | PDF 513 KB | |
| Product Change Notice | PDF 45 KB | |
6 items
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Design & Development
Software & Tools
Boards & Kits
Evaluation
F1951EVBI
Active
Evaluation Board for F1951 6-bit Digital Step Attenuator
The F1951EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F1951 digital step attenuator. Attenuation may be set using either the F1951’s parallel control input or its serial control input. A dip switch on the evaluation board allows one to set the...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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