Tony look at google for cd4066 you'll find many links Great chip i use it a lot lately. Tal -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of NaB25J@AOL.COM Sent: Wednesday, December 10, 2003 9:49 PM To: PICLIST@MITVMA.MIT.EDU Subject: Re: [EE:] Audio Switch IC's? Could I get on the list for that schematic too? -Tony jjw@SEI.CMU.EDU writes: > I'd be interested in getting a copy of the schematic. I have some audio > work I'm looking into and this may come in handy. > > Thank, > John > > --On Wednesday, December 10, 2003 8:26 AM -0500 "Rick C." > wrote: > > > I use a cheap, easy to get, CD4016 or 4066. It has four switches that can > > be controlled by a logic level. Clean switching and ~50db cutoff. I use > > it to switch audio circuits in broadcast equipment. The 4016 can actually > > fade up or down. Will work on a single 5 volt supply. If anyone's > > interested, I can post a schematic. Actually, a j-fet will do the same > > thing. > > Rick - Chief Engineer, WTRM-FM > > > > "Hulatt, Jon" wrote: > > > >> Hi, > >> > >> Does anyone know of a chip that can switch stereo line-level audio > >> signals? I want my pic circuit to be able to switch between two stereo > >> sources, with one output to an amplifier, without nasty > crackles or pops. > >> > >> Thanks > >> > >> Jon -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.