DC-22 GHz (L, S, C, X, Ku, K Band) 2-bit Digital Attenuator

    Last Time Buy >

    End of Life announced October 31, 2023 (PCN 23-0160).
    Last Time Buy: May 10, 2024
    Contact your local sales representative for assistance.

    Note:  Any orders for Last Time Buy materials from Qorvo are considered non-cancellable, non-returnable.

    Key Features

    • Wideband performance
    • Low insertion loss
    • 6 dB attenuation range
    • Pb-free RoHs compliant 3x3 QFN package

    Qorvo's CMD281C3 is a negative controlled, wideband GaAs MMIC 2-bit digital attenuator housed in a leadless 3x3 mm surface mount package. Each bit of the attenuator is controlled by a single voltage of either 0 V or -5 V. The attenuator bit values are 2 dB and 4 dB, for a total attenuation of 6 dB. The CMD281C3 has a low insertion loss of 1.5 dB at 10 GHz and the attenuation accuracy is typically 0.1 dB step error. The CMD281C3 is a 50 ohm matched design which eliminates the need for RF port matching.

    Typical Applications

      • Electronic Warfare (EW)
      • Radar
      • Space
      • Satellite Communications (Satcom)
      • Test & Measurement
      • Phased Arrays
    Frequency Min(MHz) DC
    Frequency Max(MHz) 22,000
    Insertion Loss(dB) 1.5
    Attenuation Range(dB) 6
    IP0.1dB(dBm) 28
    IIP3(dBm) 42
    Interface Parallel
    Bits 2
    Step Size(dB) 2
    Voltage(V) -5
    Package Type Ceramic QFN
    Package(mm) 3.0 x 3.0
    RoHS Yes
    Lead Free Yes
    ITAR Restricted No
    ECCN EAR99

    X-Microwave Design System

    This product is available as an X-Microwave Block (X-MWblock) for evaluation.

    X-MWblocks are RF and microwave "drop-in" components that can be used individually for prototyping or in production assemblies. X-MWblocks are easy to test, integrate, align, and configure to 60 GHz and beyond. No messy sweat soldering or silver epoxy processes are required. X-MWblocks are highly characterized with S-parameter models and connect with a patented solder-less interconnect technology.

    Order the X-Microwave Block for this product