Circuit arrangement for the electrically isolated transfer...

Details Circuit arrangement for the electrically isolated transfer... Circuit arrangement for the electrically isolated transfer...

2005-02-08

2005-02-08

Burd, Kevin (Department: 2631)

Pulse or digital communications

Cable systems and components

Transformer coupling

Reexamination Certificate

active

06853685

ABSTRACT:
For the electrically isolated transmission of digital signals, an isolating path of a channel formed by a transformer is used. The channel further includes a conversion stage for converting the digital signal to a transmissible coupling signal and a conversion stage for converting a coupling signal to the digital signal. This conversion is accomplished by a monostable multivibrator. The coupling signal is a square-wave voltage which is generated by a delay circuit in the conversion stage and is converted on the isolating path to a square-wave voltage serving as the coupling signal.

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Horowitz et al., “Basic Logic Concepts”,The Art of Electronics, Cambridge University Press 1989, pp. 471, 472, 479, 506, 507, 517 and 518.

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