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Waveguide Attenuators, Fixed Precision

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: 10, 20, 30, 40, 50dB
    Nominal Attenuation Accuracy: +/- 0.50dB (+/- 0.75dB for WR42, WR34, WR28)
    Frequency Sensitivity: +/- 0.60dB (+/-0.75dB for WR42, WR34, WR28)

    Mechanical
    Waveguide Size: WR28 through WR430
    Body: Aluminum/Copper Brass
    Finish: Corrosion resistant 316 stainless steel epoxy coating


    Click Part Number For Drawing

    WAVEGUIDE ATTENUATORS, FIXED PRECISION 

    PART
    NUMBER
    FREQUENCY
    RANGE (GHz)
    VSWR
    Max. 
    W/G SIZE
    WR
    POWER
    (Watts)
    LENGTH
    Inches
    OFFSET
    Inches
    AWG430-M-dB-FF 1.7-2.6 1.08:1 WR430 15 54 2.23
    AWG340-M-dB-FF 2.2-3.3 1.08:1 WR340 12 42 1.78
    AWG284-M-dB-FF 2.6-3.95 1.08:1 WR284 10 33 1.42
    AWG229-M-dB-FF 3.3-4.9 1.08:1 WR229 10 27 1.209
    AWG187-M-dB-FF 3.95-5.85 1.08:1 WR187 8 24 0.936
    AWG159-M-dB-FF 4.9-7.05 1.08:1 WR159 7 24 0.859
    AWG137-M-dB-FF 5.85-8.2 1.08:1 WR137 6 18.5 0.814
    AWG112-M-dB-FF 7.05-10.0 1.08:1 WR112 4 16 0.561
    AWG90-M-dB-FF 8.2-12.4 1.08:1 WR90 4 14.5 0.45
    AWG75-M-dB-FF 10.0-15.0 1.08:1 WR75 2 13.5 0.425
    AWG62-M-dB-FF 12.4-18.0 1.08:1 WR62 1.5 11.5 0.351
    AWG51-M-dB-FF 15.0-22.0 1.08:1 WR51 1 11.5 0.295
    AWG42-M-dB-FF 18.0-26.5 1.08:1 WR42 0.5 9.5 0.21
    AWG34-M-dB-FF 22.0-33.0 1.08:1 WR34 0.5 9.5 0.21
    AWG28-M-dB-FF 26.5-40.0 1.08:1 WR28 0.5 9.0 0.18

    Contact Manufacturer For Other Specifications
     

    Standard Attenuation value 10, 20, 30, 40, 50dB 
    Flange options 1=Cprg, 2=Cprf, 6=Cover, 7=Choke, 8=cover groove
    Example Part Number AWG430-A-20-6-6 : A=Alum. 20=dB Atten. 6=Cover flanges