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  • Low VSWR Waveguide Fixed Attenuators
  • Low VSWR Waveguide Fixed Attenuators
  • Low VSWR Waveguide Fixed Attenuators
  • Low VSWR Waveguide Fixed Attenuators

    • Low VSWR Waveguide Fixed Attenuators

    Features:

    • Low VSWR

    Applications:

    • Wireless
    • Transmitter
    • Laboratory Test
    • Radar

    Waveguide Fixed Attenuators is a passive device widely used in the field of microwave technology.

    It is designed to attenuate microwave signals transmitted in waveguides at a fixed ratio. For example, when a microwave signal passes through a waveguide fixed attenuator, a portion of the energy is absorbed or otherwise lost, thereby reducing the power of the output signal.
    Waveguide is a type of waveguide structure used for transmitting microwaves. The waveguide fixed attenuator is based on the waveguide structure and achieves a fixed attenuation amount through special material or structural design. It usually uses resistive materials or special electromagnetic structures to absorb microwave energy.

    Purpose:

    1. Signal Attenuation: Waveguide fixed attenuators are used to precisely attenuate the strength of RF and microwave signals to protect sensitive receiving equipment and control signal levels.
    2. Power Matching: Waveguide fixed attenuators can be used to match the power level of the system, thereby reducing reflections and standing waves and improving system performance.
    3. System Calibration: Waveguide fixed attenuators are used to calibrate and test RF and microwave systems to ensure stable performance of the system at different power levels.

    Application:

    1. Radar System: In radar systems, waveguide fixed attenuators are used to adjust and control the intensity of transmitted and received signals. This helps improve the detection capabilities and accuracy of radar systems.
    2. Satellite Communication: In satellite communication systems, waveguide fixed attenuators are used to adjust signal strength to ensure the reliability and stability of the communication link. They can be used for signal transmission between ground stations and satellites.
    3. Microwave Communication: In microwave communication systems, waveguide fixed attenuators are used to adjust and control signal strength to improve the performance and reliability of communication links.
    4. Test and Measurement: In RF and microwave test and measurement systems, waveguide fixed attenuators are used to precisely control signal strength for various tests and calibrations. This is important to ensure the performance of your equipment and systems.
    5. Radio and Television: In radio and television systems, waveguide fixed attenuators are used to adjust signal strength and improve signal quality and coverage. This helps provide clearer audio and video signals.
    6. Scientific Research: In scientific research projects, waveguide fixed attenuators are used to regulate and control the RF and microwave signal strength in experiments. These studies may involve astronomy, physics, and other fields.

    Qualwave supplies low VSWR and high attenuation flatness from 3.94 to 110GHz. The attenuation range is 0~40dB.

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    Part Number

    Frequency

    (GHz, Min.)

    Frequency

    (GHz, Max.)

    Power

    (W)

    Attenuation Range

    (dB)

    VSWR

    (max.)

    Waveguide Size

    Flange

    Lead Time

    (weeks)
    QWFA10-R5 73.8 110 0.5 3, 5, 6, 9, 10, 15, 20, 30, 40 1.25 WR-10 (BJ900) UG-387/UM 2~6
    QWFA10-5 75 110 5 10±1 1.2 WR-10 (BJ900) UG-387/UM 2~6
    QWFA12-R5 60.5 91.9 0.5 10±2.5, 20±5, 30±5 1.25 WR-12 (BJ740) UG-387/U 2~6
    QWFA15-5 50 75 5 10±1 1.2 WR-15 (BJ620) UG-383/U 2~6
    QWFA28-K1 26.3 40 100 30±1, 40±1 1.2 WR-28 (BJ320) FBP320 2~6
    QWFA28-K2 26.3 40 200 40 1.2 WR-28 (BJ320) FBP320 2~6
    QWFA42-60 18 26.5 60 30±1.5 1.2 WR-42 (BJ220) FBP220 2~6
    QWFA51-K2 14.5 22 200 40 1.2 WR-51 (BJ180) FBP180 2~6
    QWFA51-K26 15 22 260 30 1.15 WR-51 (BJ180) FBP180 2~6
    QWFA62-60 12.4 18 60 30 1.2 WR-62 (BJ140) FBP140 2~6
    QWFA112-25 6.57 10 25 15±1.5, 30±1.5 1.2 WR-112 (BJ84) FDP84 2~6
    QWFA187-1K5 3.94 5.99 1500 30 1.2 WR-187 (BJ48) FAM48 2~6

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