MCM Electronics

FM TrapMCM Part #: 33-341  |  Distributed By MCM Part #: FM-88

FM Trap 4.8 stars from 2 ratings and 1 review.
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In-Line FM Trap
In-line notch filter provides significant reduction in interference in cable television systems caused by strong FM radio stations. Simply connect in line between the source and television set or cable box. Bi-directional filter can be connected in either direction. Input and output connections are both "F" type female.

Product Description

  • 88MHz: 20dB
  • 93MHz: 30dB
  • 108MHz: 20dB
    Other Specifications:
  • Case: Nickel plated steel
  • Impedance: 75Ω
  • Dimensions: 42.5mm x 26mm x 15.1mm (case only)
  • See attached spec sheet for detailed measurements

Product Reviews

  • "Does job for me, but will kill channels 5 and 6" by AKADAP on 6/12/2010
    Overall: 4.5 out of 5

    There are two ways to design an FM trap 1) make sure it kills all FM in spite of what it does to adjacent channels 2) kill as much of the FM band as possible without affecting adjacent channels. There is no right way, just right for your application. The designers of this part chose method 1. The 20 dB attenuation spec on this part is a minimum attenuation within the FM band. Mid band it is more like 30 dB attenuation. I bought 6 of these, and they very quite a bit, but all of them meet the 20 dB attenuation spec. Since the high end of channel 6 is 88MHz and the low end of the FM band is 88MHz, if you kill the whole FM band (as this part is designed to do), you also kill channel 6. At the low end of channel 6, the attenuation varied part to part between 5.39 to 7.7 dB, at the high end, the attenuation varied between 26.2 dB and 34.3 dB, so if you are trying to get channels 5 or 6, this is not the right part for you, otherwise it works fine.

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Package Specifications & Dimensions
Weight:0.0752 lbs.
Warranty:90 days
Need to Return?
Length:5 in.
Width:4.5 in.
Height:0.75 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 233

MCM Cat 56, Page 098

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Distributed By MCM Logo
Mfr. Name:Distributed By MCM
Mfr. Part Number:FM-88