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RF Variable Attenuator by KCB Solutions (4 more products)

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The KT103 from KCB Solutions is a GaAs pHEMT broadband digital attenuator that operates from 0.02 to 4 GHz. It has an attenuation range of 31.75 dB with a resolution of 0.25 dB and a low insertion loss of 4 dB. This 7-bit digital attenuator has an LSB of 0.25 dB and MSB of 16 dB and provides a control voltage of high logic (+0.2 V) and low logic (-3 V) level. It is successfully tested as per 1M RAD TID standards to fulfill the screening requirements of MIL-PRF-38534 Class B and S in addition to the required QCI (Quality Council of India). The attenuator is designed in a hermetic SMT package for high-reliability applications such as  Microwave, Military Radios, VSAT, Telecom Infrastructure, and Test Equipment.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    KCB Solutions
  • Description
    GaAs pHEMT 7-bit Digital Attenuator from 0.02 to 4.0 GHz

General Parameters

  • Type
  • Applications
    Military, Telecom Infrastructure, Test Equipment, VSAT, Microwave Radio
  • Frequency
    20 MHz to 4 GHz
  • Bits
    7 Bits
  • Channels
    1 Channel
  • Configuration
    Solid State
  • Attenuation Range
    0 to 31.75 dB
  • Attenuation Step
    0.25 dB
  • Attenuation Accuracy
    +/-0.15 to +/-0.25 dB
  • Power
    3.16 W
  • P1dB
    16 to 35 dBm
  • IIP3
    35 to 50 dBm
  • Insertion Loss
    1.5 to 4 dB
  • Settling Time
    0.2 to 1 us
  • Control Voltage
    -8 to 0.2 V
  • Interface
  • Return Loss
    6 to 20 dB
  • Package Type
    Surface Mount
  • Operating Temperature
    -55 to 125 Degree C
  • Storage Temperature
    -65 to 150 Degree C

Technical Documents

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