QPC4614

    5 - 2000 MHz 75Ω 6-bit digital step attenuator

    Key Features

    • 6-Bit, 31.5 dB Range, 0.5 dB Step
    • Patented Circuit Architecture
    • Frequency Range 5 - 2000 MHz
    • High Linearity 65 dBm IIP3
    • Fast Switching Speed
    • Serial and Parallel Control Interface

    The QPC4614 is a 75Ω 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.5 dB gain control range in 0.5 dB steps and has a low insertion loss of 1.2 dB at 1 GHz. The QPC4614 features three modes of control: serial, latched parallel, and direct parallel programming. Patented circuit architecture provides overshoot-free transient switching performance. QPC4614 is available in a 20-pin 4.0 x 4.0 mm QFN package.

    Typical Applications

      • DOCSIS 4.0 Optical Nodes
      • DOCSIS 4.0 Amplifiers
      • Attenuation Circuits
      • Equalizer (Tilt) Circuits
      • AGC Circuits
    Frequency Min(MHz) 5
    Frequency Max(MHz) 2,000
    Insertion Loss(dB) 1.2
    Attenuation Range(dB) 31.5
    IP0.1dB(dBm) 30
    IIP3(dBm) 65
    Interface Digital
    Bits 6
    Step Size(dB) 0.5
    Voltage(V) 5
    Package Type QFN, 20-pin
    Package(mm) 4.0 x 4.0
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No

    This product appears in the following application block diagrams:

    • Applications > Network Infrastructure > Broadband Access > Cable TV > 4 Port Optical Node RF Launch Amp

      4 Port Optical Node RF Launch Amp