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Overview

Description

The F1953 digital step attenuator 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. In addition, it features internal DC-blocking capacitors to reduce the system's bill of materials (BOM).

Features

  • Glitch-Free, < 0.6dB transient overshoot
  • Spurious free design
  • 2.7V to 3.3V supply
  • Attenuation error < 0.5dB at 2GHz
  • Low insertion loss < 1.4dB at 2GHz
  • Excellent linearity > +63dBm IP3I
  • Fast settling time, < 400nsec
  • Class 2 JEDEC ESD (> 2kV HBM)
  • Serial or parallel interface 31.5dB range
  • Stable integral non-linearity over temperature
  • Low power consumption < 200µA
  • Integrated DC-blocking capacitors
  • Drop-in replacement
  • 4mm x 4mm thin VFQFPN 20-pin package

Comparison

Applications

  • Base Station 2G, 3G, 4G, TDD radio cards
  • Repeaters and E911 systems
  • Digital Pre-Distortion
  • Point-to-Point Infrastructure
  • Public Safety Infrastructure
  • WiMAX Receivers and Transmitters
  • Military Systems, JTRS radios
  • RFID handheld and portable readers
  • Cable Infrastructure

Documentation

Type Title Date
Datasheet PDF 1.51 MB
Guide PDF 2.24 MB
Guide PDF 2.83 MB
Report PDF 517 KB
Product Brief PDF 1.07 MB
Product Change Notice PDF 45 KB
6 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 products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Diagram of ECAD Models

Product Options

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