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  • Cryogenic Bias Tees
  • Cryogenic Bias Tees
  • Cryogenic Bias Tees
  • Cryogenic Bias Tees

    Features:

    • Broadband
    • Small Size

    Applications:

    • Telecom
    • Satcom
    • Laboratory Test
    • Instrumentation

    Cryogenic Bias Tees

    Cryogenic Bias Tees are specialized electronic components designed to operate at extremely low temperatures (typically liquid helium temperatures, 4K or below). A bias tee is a three-port network used to combine or separate AC (alternating current) and DC (direct current) signals. In cryogenic environments, bias tees are essential for applications such as quantum computing, superconducting electronics, and low-temperature experiments, whereprecise signal control and isolation are required.

    Features:

    1. Cryogenic Performance: Designed to function reliably at cryogenic temperatures (e.g., 4K, 1K, or even lower). Constructed using materials that maintain their electrical and mechanical properties at low temperatures, such as superconductors (e.g., niobium) and low-loss dielectrics.
    2. Low Insertion Loss: Ensures minimal signal attenuation for both AC and DC paths, which is critical for maintaining signal integrity in sensitive applications.
    3. High Isolation Between Ports: Provides excellent isolation between the DC and AC ports to prevent interference between the signals.
    4. Wide Frequency Range: Supports a broad range of frequencies, from DC to several GHz, depending on the design and application.
    5. Compact and Lightweight Design: Optimized for integration into cryogenic systems, where spaceand weight are often limited.
    6. Low Thermal Load: Minimizes heat transfer to the cryogenic environment, ensuring stableoperation of the cooling system.
    7. High Power Handling: Capable of handling significant power levels without performancedegradation, which is important for applications like quantum computing and radio astronomy.

    Applications:

    1. Quantum Computing: Used in superconducting quantum processors to combine DC bias voltages with microwave control signals for qubit manipulation. Essential for maintaining signal purity andreducing noise in cryogenic quantum systems.
    2. Superconducting Electronics: Employed in superconducting circuits and sensors to separate or combine AC and DC signals, ensuring accurate signal processing and measurement.
    3. Low-Temperature Experiments: Applied in cryogenic research setups, such as studies of superconductivity or quantum phenomena, to maintain signal clarity and reduce noise.
    4. Radio Astronomy: Used in cryogenic receivers of radio telescopes to combine or separate signals, improving the sensitivity of astronomical observations.
    5. Medical Imaging: Utilized in advanced imaging systems like MRI (Magnetic Resonance Imaging) that operate at cryogenic temperatures to enhance signal quality.
    6. Space and Satellite Communication: Employed in cryogenic cooling systems of space-basedinstruments to manage signals and improve communication efficiency.

    Qualwave supplies cryogenic bias tees with different connectors to meet the needs of customers.

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    Part Number

    Frequency

    (GHz, Min.)

    xiaoyudengyu

    Frequency

    (GHz, Max.)

    dayudengyu

    RF Power

    (W, Max.)

    dengyu

    Insertion Loss

    (dB, Max.)

    dengyu

    VSWR

    (Max.)

    dayudengyu

    Voltage

    (V)

    xiaoyudengyu

    Current

    (A)

    xiaoyudengyu

    Connectors

    Lead Time

    (Weeks)

    QCBT-100-1000 0.1 1 - 0.15 - - - SMA 1~4

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