Manchester decoder with received signal blanking

Details Manchester decoder with received signal blanking Manchester decoder with received signal blanking

1996-06-27

1998-09-01

Young, Brian K.

Coded data generation or conversion

Digital code to digital code converters

To or from nrz codes

H03M 512

Patent

active

058016511

ABSTRACT:
A Manchester decoder blanks random transitions prior to the reception of a valid Manchester encoded signal. Specifically, the decoder according to the present invention comprises a data input, and edge detector, and a blanking device. The edge detector is used to detect edges in a signal which is received by the data input. Thus, in the event that edges are not detected at predetermined intervals (signifying that a valid signal is not being received), the blanking device blanks a data output of the decoder. Advantageously, the decoder circuit filters random transitions prior to the reception of a valid Manchester encoded signal, is of simple construction, and may be implemented in conjunction with a decoder circuit which is used to separate the Manchester encoded signal into its data and clock components.

REFERENCES:
patent: 5170396 (1992-12-01), Rivers et al.

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