The MJ1440 by Plessey is a HDB3 ENCODER/DECODER. Below is the official datasheet preview.
| Part number | MJ1440 |
|---|---|
| Manufacturer | Plessey |
| File Size | 172.46 KB |
| Description | HDB3 ENCODER/DECODER |
| Datasheet |
 MJ1440_Plessey.pdf
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Functions Listed by pin number 1. NRZ Data in Input data for encoding into ternary HDB3 form.The NRZ data is clocked'by the negative edge of the Clock (Encoder) .2. Clock (Encoder) Clock for encoding data on pin 1 3. Loss of input alarm This output goes to logic' l' if eleven consecutive zeroes are detected in the incoming HDB3 data.The -output is set to logic '0' on receipt of a '1 '.4. NRZ data out Decoded data in NRZform from ternary HDB3 input data (Ain,Bin ), data is clocked out by posi
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