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View Full Version : RF filters sources for E-choppers


WayneBrown
11-20-2006, 08:17 AM
RF filters are nearly always required on the ESC lead between the reciever and speed control to reduce interference often resulting in a crash.
Some Local hobby shops carry them, many do not. Here is a list of options to secure one for your use. If there's a part number and manufacturer, Your hobby shop may be able to order it for you, or you can buy online.

Here is a list of some available RF filters for use on your machine.
Beads:
http://www.horizonhobby.com/Products/Default.aspx?ProdID=JRPA029
http://www.deeteeenterprises.com/NS.T.Rex.K10331TA.Ferrite.Ring.php
http://www.helidirect.com/product_info.php?cPath=45&products_id=1725


Chokes:
http://www.rchover.com/inc/sdetail/8528
http://www.multimodetech.com/index.php?option=com_content&task=section&id=1&Itemid=2
http://www.medusaproducts.com/Other/opto001.htm

How and why they work:
http://computer.howstuffworks.com/framed.htm?parent=question352.htm&url=http://www.antennex.com/shack/Dec99/beads.htm

More discussion: http://www.helifreak.com/viewtopic.php?t=23906

Fer
04-25-2007, 03:20 AM
When you buy a PC motherboard, a ring like these ofent follow.

Will they work? Think i got one :)