Using the MAXQ3120 in Codec Applications

摘要

Modern telephony is digital. Gone are the chattering Strowger switches with hundreds of electrical contacts, the miles of twisted-pair cable resembling so much tie-dyed spaghetti, and the microwave towers that once dotted the countryside. Today, voice traffic is converted to digital form at the earliest possible opportunity and carried on an optical fiber alongside thousands of other voice calls, email messages, and web pages.