A Multirate Transceiver IC For Four-wire Full Duplex Data Transmission

This paper describes a DDS transceiver IC for full duplex data-transmission on four-wire twisted-pair telephone lines, using the alternate mark inversion (AMI) line code.1 One of fourteen bit rates, ranging from 2.4kb/s to 72kb/s, may be selected by the user. Partially-integrated solutions exist, bu...

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Published in1991 IEEE International Solid-State Circuits Conference. Digest of Technical Papers pp. 234 - 235
Main Authors Buttle, K., Takatori, H., Cheng-Chung Shih, Shafir, H.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1991
Subjects
Band pass filters
Bit rate
Clocks
Data communication
Equalizers
Frequency
Low pass filters
Nonlinear filters
Pulse amplifiers
Transceivers
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Summary:This paper describes a DDS transceiver IC for full duplex data-transmission on four-wire twisted-pair telephone lines, using the alternate mark inversion (AMI) line code.1 One of fourteen bit rates, ranging from 2.4kb/s to 72kb/s, may be selected by the user. Partially-integrated solutions exist, but this design combines analog and digital circuit techniques to fit the entire transceiver function on a single die.2 A block diagram of the transceiver is shown in Figure 1, with external components outside the broken line.
ISBN:9780879426446
0879426446
DOI:10.1109/ISSCC.1991.689140