F1912 Image


RF Variable Attenuator by Renesas

Note : Your request will be directed to Renesas.

The F1912 from IDT is a glitch-free 6-bit digital step attenuator that operates from 1 MHz to 4000 MHz. It has an attenuation range of 31.5 dB, an insertion loss less than 1.4 dB and has an IIP3 of more than 59.5 dBm. The device has pinpoint accuracy and settles to final attenuation value within 400 nsec. The Glitch-FreeTM technology which results in low overshoot ringing during MSB transitions. The F1912 requires a supply from 3 V to 5.25 V with 1.8V or 3.3V for logic switching and is available in compact 20 pin QFN package that measures 4 x 4 mm.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
  • Description
    6-Bit Glitch Free Digital Step Attenuator from 1 MHz to 4 GHz

General Parameters

  • Type
    Programmable, Digital
  • Application Standards
    2G, 3G, 4G, WiMax, RFID
  • Applications
    Base Station, Repeater, Point to Point Radio
  • Frequency
    1 MHz to 4 GHz
  • Bits
    6 Bit
  • Channels
    1 Channel
  • Attenuation Range
    31.5 dB
  • Attenuation Step
    0.5 dB
  • Power
    0.015 to 0.630 W
  • IIP3
    63 dBm
  • Insertion Loss
    1.4 dB
  • Supply Voltage
    3 to 5.25 V
  • Interface
  • Impedance
    50 Ohms
  • Package Type
    Surface Mount
  • Package
    QFN 20 Pin
  • Dimension
    4 x 4mm
  • Operating Temperature
    -55 to 105 Degree C
  • Grade
    Commercial, Military

Technical Documents

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