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F1975

6-Bit 0.5dB, 75?, Glitch-Free Digital Step Attenuator

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  • 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

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.

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

Product Documents

Product Brief

2025-08-25

Digital Step Attenuators

pdf | 1.07 MB
Guide

2025-08-25

RF Products Evaluation System (EVS) Digital Control Software

pdf | 2.83 MB
Software & Tools - Software

2025-08-25

RF Digital Control Software Installer

zip | 169.81 MB
Application Note

2025-08-25

AN-945 F1975-1978 Serial Programming Methods

pdf | 193.11 KB
Model - S-parameter

2025-08-25

F1975 S-parameters

zip | 869.05 KB
Application Brief

2025-08-25

IDT Products for Wired Broadband Applications

pdf | 686.5 KB
Report

2025-08-25

PCN# : 220029 Add Alternate Assembly Locations on VFQFPN and LGA Packages

pdf | 0 Bytes
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F1975NCGI

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F1975NCGI8

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F1975EVBI

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F1975EVS

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