HELP: Need diode switch for audio path switching

Discussion in 'General Electronics Chat' started by hamopp, Jun 24, 2009.

  1. hamopp

    Thread Starter Active Member

    May 13, 2009
    68
    1
    Hi all
    I need to be able to switch a common audio input!

    This is how its done with a switch
    View attachment 10357
    But i need to have it done with diodes, and i have +12 switch lines
    from the logic board.

    Can any one help with this ?

    Regards
    Hamopp
     
  2. steveb

    Senior Member

    Jul 3, 2008
    2,433
    469
    If you are trying to do the switching electronically with logic signal control, then CMOS analog switches such as the CD4066 are a good choice.

    http://www.maxim-ic.com/appnotes.cfm/an_pk/638
     
  3. hamopp

    Thread Starter Active Member

    May 13, 2009
    68
    1
    Hi
    Thanks for that info, looks like they are the way to go.

    Regards
    Hamopp
     
Loading...