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Three Band Low Pass Filter PCB Kit

$16.58 - $32.50 (Inc. Tax)
$13.82 - $27.09 (Ex. Tax)

NOTE Customers outside the Eu pay the lower (Ex. Tax) prices!

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Lowpass Filter PCB Kit for WSPRlite and General Use

***Filter builder for hire in the UK*** Click here.

 

New compact PCB for better choice of enclosures and improved high frequency performance

Three options:

  • Board kit only - use to mix and match filters using our band packs or your own components.
  • Board kit plus band packs for 160m, 80m and 40m - perfect for use with the WSPRlite Flexi or Classic
  • Board kit plus band packs for 20m, 15m and 10m - perfect for use with the WSPRlite Flexi

The filters are selected using jumper links (supplied).

Board Kit includes PCB, 2 x jumpers, 2 x header pin arrays, 1 x SMA tail, 1 x SMA socket, 1 x cable tie.

PCB size 59 x 87 mm. Mounting holes M3.

Click here for kit instructions.

Enclosure Options

Options here apply to PCB V1.2 Nov 17 onwards. Print your own enclosure! Lots of folks have 3D printers and are desperate to find a use for them. Maybe you have one yourself or know someone who has one? We provide the files free on Thingiverse. Click here.

Buy a printed enclosure from a third party:

 

We recommend PLA or ABS plastics.

Note: board fits in Hammond 1591SSBK enclosure

 

 

 

9 Reviews Hide Reviews Show Reviews

  • 5
    THREE BAND LOW PASS FILTER PCB KIT

    Posted by G1VWC on 17th Jun 2018

    Quality kit - Easy to make with with clear instructions.

  • 5
    Low pass filter 160, 80, 40

    Posted by Steve M6MKX on 25th Apr 2018

    The low pass filter kit is an excellent product designed for an easy build, but delivering excellent performance. Would recommend this unreservedly.

  • 5
    Low pass filter kit

    Posted by Unknown on 12th Apr 2018

    Took my time building this kit, as I wanted to ensure it worked first time which it did. The online instructions were excellent. Would highly recommend this kit.

  • 5
    A great time saver

    Posted by Tom on 23rd Mar 2018

    A well thought out and functional kit of parts providing all the bits for the WSPRlite LPFs. I did check inductance of constructed toroids with a Peak LCR45 and most needed a turn or two of wire removed from suggested number to get value spot on. I doubt this would be a major issue however in affecting performance.

  • 5
    Low Pass Filter Kit

    Posted by Ken on 14th Mar 2018

    As with all the SOTABEAMS Kits this is the best in it's class, I would recomend it to anyone, very easy to build.

  • 4
    kit all came together easily

    Posted by tom on 4th Mar 2018

    Excellent kit but disappointed it didnt come with its own enclosure.

  • 4
    fun, easy build, great for those new to radio

    Posted by Peter Wilson on 2nd Mar 2018

    The entire idea behind the SOTA product amateur radio range is that of elegant yet practical design lay out, effectiveness and low cost. Building the filters, even for an inexperienced person, was enjoyable and instructive. Using it with the wsprlite has been really easy and has contributed to a day to day understanding of local and international propagation patterns across hf.

  • 5
    the 3 band low pass filter

    Posted by dl7ukt@gmx.com on 24th Feb 2018

    I use the filter for my WSPR lite flexi . Compared to the previous version the board is a bit smaller so it fits better in existing housings. It should be useful if a housing similar the box’s load would be offered or the SOTABEAMS housing could be offered.
    The kit is easy to assemble and works fine.

  • 5
    Great bit of kit.

    Posted by TOM on 22nd Feb 2018

    Having a very interesting time sorting out and getting on the air.
    Because of age and "poor old fingers" have had to recruit some assistance from Steve M0HET in building the filters - Great guy -

    Will have another go at feed back in a couple of weeks
    Very best 73