Patent ID: 8477856
Filing Date: 2013-07-02
Classification: H04B,H04L

Abstract:
1. A multi-bit digital signal isolator, comprising: a plurality of micro-transformers, each having a primary winding and a secondary winding; a transmitter circuit receiving a multi-bit word and transmitting an encoded logic signal across the plurality of micro-transformers in parallel corresponding to the multi-bit word, the primary winding of each micro-transformer receiving a signal corresponding to one of at least three possible states; and a receiver circuit receiving the encoded logic signal from the secondary windings of the plurality of transformers, decoding the encoded logic signal and reconstructing the received multi-bit word based upon the decoded signal, wherein said transmitter circuit further comprises a pulse generator generating the encoded logic signals by generating a signal with zero pulses, a signal with one pulse and a signal with two pulses corresponding to at least one of the three possible states.