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Waveguide Attenuator, Continuously Variable

Variable Attenuators

MCLI variable and fixed attenuators positions reduce power signal without disrupting its waveform and have the ability to change attenuation values within a frequency range while maintaining low insertion loss and VSWR. Variable attenuations may be operated with a multi-turn screwdriver-slotted shaft, turns counting dial, knob control dial option, or direct read options. MCLI also offer flatness models in many broad and narrow frequency ranges.

Fixed attenuators can be used in the measuring of signals on pads to lower the amplitude balance to enable measurements, or to protect the measuring device from signal levels that could be damaging. MCLI Fixed attenuators are offered in many connector configurations and frequency ranges with low and high power solutions.

 

  • Model Number
     
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  • GENERAL SPECIFICATIONS:

    Electrical
    Variable Attenuation Values: from 0dB to 30dB 
    WSWR: 1.15 Maximum
    Insertion Loss: 0.5dB

    Mechanical
    Waveguide Size: WR28 through WR284
    Body: Aluminum/Copper Brass
    Finish: Corrosion resistant 316 stainless steel epoxy coating


    Click Part Number For Drawing

    CONTINUOUSLY VARIABLE WAVEGUIDE ATTENUATORS
     
    STANDARD
    PART NUMBER
    FREQUENCY
    RANGE (GHz)
    VSWR
    Max.
    W/G SIZE
    WR
    POWER
    (Watts)
    LENGTH
    Inches
    CAW284-A-30-6-6 2.6-3.95 1.15:1 WR284 11 10.0
    CAW229-B-30-2-2 3.3-4.9 1.15:1 WR229 9 9.0
    CAW187-A-30-6-6 3.95-5.85 1.15:1 WR187 7 8.5
    CAW159-B-30-2-2 4.9-7.05 1.15:1 WR159 5 8.0
    CAW137-B-30-2-2 5.85-8.2 1.15:1 WR137 4 6.0
    CAW112-B-30-6-6 7.05-10.0 1.15:1 WR112 3 5.0
    CAW90-A-30-6-6 8.2-12.4 1.15:1 WR90 2 4.0
    CAW75-B-30-6-6 10.0-15.0 1.15:1 WR75 1 3.0
    CAW62-B-30-6-6 12.4-18.0 1.15:1 WR62 1 3.0
    CAW51-A-30-6-6 15.0-22.0 1.15:1 WR51 1 3.0
    CAW42-A-30-6-6 18.0-26.5 1.15:1 WR42 1 3.0
    CAW34-A-30-6-6 22.0-33.0 1.15:1 WR34 1 3.0
    CAW28-A-30-6-6 26.5-40.0 1.15:1 WR28 1 3.0

    Contact Manufacturer For Other Specifications
     

    Attenuation value Available From 0dB to 30dB 
    Multiple Flange Type Available
    Example Part Number CAW284-A-30-6-6:  A=Alum. 30=dB Atten. 6 =Cover flanges