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HDB3/B3ZS Encoder+Decoder

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HDB3 encoder+decoder #3
Closed ocghost opened this issue almost 19 years ago
ocghost commented almost 19 years ago

HDB3 encoder+decoder

ocghost commented about 18 years ago

i want m-files of coding hdb3.........

HARISH.KALLA commented almost 15 years ago

I am doing project on E1-modem,in this how to generate HDB3 voltage levels.I know TTL voltage levels are using in this but how to interface this voltage levels i.e Tx+,Tx-,Rx+,Rx-

allanh commented almost 15 years ago

The bit of circuitry you are missing is called a "Line Interface Unit" (a.k.a. LIU). It will generate the voltages you require and also perform clock and data recovery. You will also need a transformer.

You will find some here: http://www.google.com.au/search?q=e1+liu

Good luck with your project.

allanh closed this almost 15 years ago
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