tvi fault Forum › Forums › Freeview HD › HDR 1800T, 2000T › tvi fault This topic has 20 replies, 5 voices, and was last updated 2 years, 1 month ago by Anonymous. Viewing 6 posts - 16 through 21 (of 21 total) ← 1 2 Author Posts September 28, 2023 at 6:59 pm #112845 AnonymousInactive The filter i tried was a https://moonrakeronline.com/tvi-1-hi-pass-filter September 29, 2023 at 8:48 am #112846 AnonymousInactive Is the effect the same at all three power levels, and on both 2m and 70cm? Presumably it does not happen when feeding a dummy load? September 29, 2023 at 8:54 am #112847 AnonymousInactive No not tried a dummy load. And yes it happens on 2m and 70cm but more on 2m on any power levels September 30, 2023 at 8:48 am #112848 AnonymousInactive Another thought, does it happen on all frequencies or just some? October 1, 2023 at 7:06 am #112849 AnonymousInactive Have you considered AC line interference? October 4, 2023 at 10:40 am #112850 AnonymousInactive I have had a look at the Hi Pass filter you used. It is for rejecting 27 mhz or lower. This may be of interest to you if you can solder. http://www.ifwtech.co.uk/g3sek/swxfiltr/swxfiltr.htm Author Posts Viewing 6 posts - 16 through 21 (of 21 total) ← 1 2 You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In