If you are using correctly installed stock micor pl decoder board and you are taking your audio from the audio squelch board pin 7 (preamp output) the ctcss will be removed and the audio de-emphasized at this point. You would have to mod the controller for de-emphasized audio.
If you want to filter raw discriminator audio you could probably get another pl decoder board and feed the raw discriminator audio through the filter on that board. I am not sure if this will work or not because the raw discriminator output is a low level high impedance signal and the filter is being fed low impedance audio in its natural habitat. I am sure someone else can correct me if I am wrong. tom n8ies ----- Original Message ----- From: TGundo 2003 To: Repeater-Builder@yahoogroups.com Sent: 4/23/2008 12:14:38 AM Subject: [Repeater-Builder] CTCSS Filtering and Micor There's been a lot of discussion over on the S-Com group about CTCSS filtering. I have read several posts about Micor's doing the filtering already. Here is my stupid question of the day: If I have a Micor UHF Station interfaced to a 7K following the WA1ZYX article on the RB website, Can I assume I am not taking advantage of the CTCSS filtering since the audio is pulled straight off the discriminator? Is there a different place I could pull it to be filtered? Thanks! Tom W9SRV Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now.
