DC-40 GHz (L, S, C, X, Ku, K, Ka 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

    • Ultra wideband performance
    • Low insertion loss
    • Wide attenuation range
    • Small die size

    Qorvo's CMD281 is negative controlled, wideband GaAs MMIC 2-bit digital attenuator die which operates from DC to 40 GHz. 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 CMD281 has a low insertion loss of 1.2 dB at 18 GHz and the attenuation accuracy is typically 0.1 dB step error. The CMD281 is a 50 ohm matched design which eliminates the need for RF port matching. The CMD281 offers full passivation for increased reliability and moisture protection.

    Typical Applications

      • Electronic Warfare (EW)
      • Radar
      • Space
      • Satellite Communications (Satcom)
      • Test & Measurement
      • Phased Arrays
    Frequency Min(MHz) DC
    Frequency Max(MHz) 40,000
    Insertion Loss(dB) 1.2
    Attenuation Range(dB) 6
    IP0.1dB(dBm) 28
    IIP3(dBm) 42
    Interface Parallel
    Bits 2
    Step Size(dB) 2
    Voltage(V) -5
    Package Type Die
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No
    ECCN EAR99