New Elementary Base of RPC «Integral» for Modern Digital Automatic Telephone Stations. Samples of Digital Automatic Telephone Stations Produced in Belarus and CIS Countries

This paper considers the questions of excess voltage pulse electronic filter IC applications in order to protect K1482PhiPi1T telephone lines, ILF3866N subscriber line interface IC and IL145557/67 PCM-CODEC and create subscriber's termination of modern digital automatic telephone stations on their basis