$1.50 Noise Filter made in 5 minutes.. › Forums › General Chat › $1.50 Noise Filter made in 5 minutes.. This topic has 0 replies, 1 voice, and was last updated 9 years, 10 months ago by President RVRC. This post has been viewed 721 times Viewing 1 post (of 1 total) Author Posts June 18, 2014 at 10:12 AM #2169 President RVRCModerator Simple capacitor from the shack (make sure you pick the right DCV) and a ferrite toroid from old pc. Works better than the $12 jobs from RMRC Attachments:You must be logged in to view attached files. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In