75 Ohm, 6-Bit, 0.5 dB Step, Serial/Parallel DSA

    Key Features

    • 75 ohm, 6-bit, 3.15dB range, 0.5dB step
    • Frequency Range 47-2000 MHz
    • Overshoot-free Transient Switching Performance
    • High Linearity

    The QPC3624 is a 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 1.3 dB at 1 GHz. The QPC3624 features three modes of control: serial, latched parallel, and direct parallel programming. Patented circuit architecture provides overshoot-free transient switching performance. The QPC3624 is available in a 24-pad 4 mm x 4 mm x 0.85 mm QFN package.

    Typical Applications

      • Optical Nodes
      • Point-to-Point
      • MDU Amplifiers
      • Pre-amplifier, inter-stage & return Attenuation
      • AGC
    Frequency Min(MHz) 47
    Frequency Max(MHz) 2,000
    Insertion Loss(dB) 1.3
    Attenuation Range(dB) 31.5
    IP1dB(dBm) 30
    IIP3(dBm) 60
    Interface Serial & Parallel Control
    Bits 6
    Step Size(dB) 0.5
    Voltage(V) 5
    Package Type QFN
    Package(mm) 4.0 x 4.0 x 0.85
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No
    ECCN 5A991G

    This product appears in the following application block diagrams:

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

      4 Port Optical Node