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Overview

Description

The F1975 Digital-Step-Attenuator (DSA) featuring Glitch-Free™ technology improves system reliability and settling time. The device has an attenuation range of 31.5 dB with excellent accuracy and very low distortion and insertion loss.

Features

  • 5MHz to 3000MHz frequency range
  • Glitch-Free™ low transient overshoot
  • Low insertion loss < 1.2dB at 1GHz
  • Excellent linearity +64 dBm IIP3
  • Attenuation step error 0.1dB at 1GHz
  • Serial and Parallel interface 31.5dB range
  • Low spurious design
  • 3V/5V supply, 1.8V/3.3V control logic
  • Fast settling time
  • Class 2 JEDEC ESD (2kV HBM)
  • 4mm x 4mm 20-VFQFPN package

Comparison

Applications

  • CATV infrastructure
  • CATV set-top boxes
  • CATV satellite modems
  • Data network equipment
  • Fiber networks

Documentation

Type Title Date
Datasheet PDF 3.79 MB
Guide PDF 2.24 MB
Guide PDF 2.83 MB
Report PDF 517 KB
Product Brief PDF 1.07 MB
Application Brief PDF 686 KB
Application Note PDF 193 KB
7 items

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Software Log in to Download ZIP 169.81 MB
1 item

Boards & Kits

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.

Diagram of ECAD Models

Product Options

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