EMC Filters

EMC Filters
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RSGB Filter Service

The RSGB stocks a small range of filters that address the majority of issues likely to be encountered by a radio amateur. More information on the various filters and other EMC matters can be found on the RSGB EMC website using the link below.

RSGB EMC Committee Filter Information and Website

Ferrite Ring

As recomended by the RSGB EMC Committee these rings are made from Fair-Rite 43 material. Inside diameter 22.85mm and a ferrite width of 12.7mm (total width 35.5mm). This can accommodate 12 turns of 5mm diameter cable.

Please note the price shown is for one ring as these are packed as singles

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Non Member's Price £2.35
RSGB Member's Price £1.99

Filter 3

HPF & Braid breaker - For UHF TV

*** Sorry no longer available ***

All filters of this type have become obsolete since the introduction of digital TV and TVs that have built in error correction. Whilst they are still of use where is a CRT device is being affected, they do not work for their original purpose of TVI suppression.

If you would like one these filters despite their shortcomings, they may still be available from a company called Spectrum Communications, click here to visit their website. Please note that there is no association between the RSGB and Spectrum Communications and this link does not constitute a recommendation.

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