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Waveguide Attenuators, Fixed

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
    Standard Attenuation Values: 3/6/10/20/30dB
    Nominal Attenuation Accuracy: +/- 0.85dB 
    Calibrated Frequency

    Mechanical
    Waveguide Size: WR28 through WR650
    Body: Aluminum/Copper Brass
    Finish: Corrosion resistant 316 stainless steel epoxy coating

    Click Part Number For Drawing

    WAVEGUIDE ATTENUATORS, FIXED
     
    PART
    NUMBER
    FREQUENCY
    RANGE (GHz)
    VSWR
    Max.
    CALIBRATION
    FREQ. (GHz)*
    W/G SIZE
    WR
    POWER
    (Watts)
    DIM.
    (-L-)
    AWF650-M-dB-FF 1.12-1.7 1.15:1 1.4 WR650 11 25
    AWF430-M-dB-FF 1.7-2.6 1.15:1 2.2 WR430 11 22
    AWF340-M-dB-FF 2.2-3.3 1.15:1 2.75 WR340 11 18
    AWF284-M-dB-FF 2.6-3.95 1.15:1 3.2 WR284 11 10
    AWF229-M-dB-FF 3.3-4.9 1.15:1 4.0 WR229 9 9.0
    AWF187-M-dB-FF 3.95-5.85 1.15:1 4.9 WR187 7 8.5
    AWF159-M-dB-FF 4.9-7.05 1.15:1 6.1 WR159 5 8.0
    AWF137-M-dB-FF 5.85-8.2 1.15:1 7.0 WR137 4 6.0
    AWF112-M-dB-FF 7.05-10.0 1.15:1 8.5 WR112 3 5.0
    AWF90-M-dB-FF 8.2-12.4 1.15:1 10.3 WR90 2 4.0
    AWF75-M-dB-FF 10.0-15.0 1.15:1 12.5 WR75 1 3.0
    AWF62-M-dB-FF 12.4-18.0 1.15:1 15 WR62 1 3.0
    AWF51-M-dB-FF 15.0-22.0 1.15:1 18 WR51 1 3.0
    AWF42-M-dB-FF 18.0-26.5 1.15:1 22 WR42 1 3.0
    AWF34-M-dB-FF 22.0-33.0 1.15:1 27 WR34 1 3.0
    AWF28-M-dB-FF 26.5-40.0 1.15:1 33 WR28 1 3.0

    Contact Manufacturer For Other Specifications
     

    To change calibration frequency add desired frequency after the model number as shown in
    Example Part Number AWF650-A-20-6-6 : A=Alum. 20=dB Atten. 6=Cover flanges