DC - 40 GHz Variable Attenuator

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AMMC-6650 is a voltage controlled variable attenuator designed to operate from DC-40GHz and is fabricated using Broadcom enhancement mode pHEMT MMIC process with backside ground vias, and gate lengths.


  • Wide Frequency Range DC-40GHz 
  • Attenuation Range 20dB
  • Single Positive Bias Supply
  • Unconditionally Stable 


  • Microwave Radio Systems
  • Satellite VSAT, DBS up/down Link 
  • WLL and MMDS loops

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) 10
RoHS6 Compliant Y
Frequency Range (GHz) DC-40
IIP3 (dBm) 10
Attenuation Range (dB) 20
Package Chip

Reliability Data Sheet1 i
S-Parameter2 i