DC - 40 GHz Variable Attenuator

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AMMP-6640 MMIC is a monolithic, voltage variable, GaAs IC attenuator that operates from DC-40 GHz. It is fabricated using Broadcom enhancement mode MMIC process with backside ground vias, and gate lengths of approximately 0.25um.


  • Wide Frequency Range DC-40GHz 
  • Attenuation Range >20dB
  • Dual Positive Bias Supply
  • Surface Mount Package, 5x5x2mm


  • Microwave Radio Systems
  • Satellite VSAT, DBS up/down Link 
  • WLL and MMDS loops
  • LDMS and Point-to-Point Millimeter Wave Long Haul
  • Broadband Wireless Access (including 802.16 and 802.20 WiMAx)

Lifecycle Status

Not Recommended for New Design

Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Not Recommended for New Design
Distrib. Inventory No
Return Loss (In/Out) at Reference State (dB) 10
Return Loss (In/Out) at Max. Attenuation (dB) 9
P1dB (dBm) 26
RoHS6 Compliant Y
Frequency Range (GHz) DC-40
Attenuation Range (dB) 20
Package SMT 5X5