DAA Reference Designs

CMX867 and CMX868 modem ICs are connected to a telephone line with a special interface circuit that is often referred to as a Direct Access Arrangement (DAA). CML's designs in this category are detailed below. Click on the relevant link for more information.
 

DE8681 Reference Design and Demonstration Kit including a 'socket-type' Modem Downloadable Items
User Manual
 
Simplified DAA design for CTR21 or FCC Part 68 Application Note
  
Full Feature Modem design including DAA for
CTR21 or FCC Part 68
Application Note
  Downloadable Items