50MHz – 4GHz PIN Diode Variable Attenuator Module

The ALM-38140 is a fully matched wideband variable attenuator pin diode module with high linearity performance and high dynamic range.

It is an ideal for gain control in RF amplfier circuits. The typical performance at 1.9GHz.


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Features [+-]

  • Fully integrated module
  • High dynamic range
  • Excellent Input IP3 performance
  • High Input P1dB compression
  • Low phase shift performance
  • Attenuation : 39dB
  • Insertion Loss : 3.2dB
  • Input IP3 : 50dBm
  • Input P1dB : > 30dBm

Applications [+-]

  • Broadband system applications; such as CATV, WCDMA, VSAT, WIMAX, Cellular base station.
  • General purpose voltage controlled attenuator for low current applications.
  • Temperature compensation circuitry
  • Automatic Gain Control

Documents [+-]

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