The datasheet says that it is used for data and clock recovery for 155M data rate?
So, my question is can it be used to recovery the the data rate about 50M? Should I choose AD800?
Dear Mr. Liu,
Firstly, in a real "burst mode" transmission, the signal duty cycles, amplitudes, and occurrence are all random variant. ADN2813 is not designed to support such a real “burst mode” transmission signal.
Secondly, some of “burst mode” transmission would transmit and receive a fixed data rate signal with fixed signal amplitude. But the signal bursts at variant times with different lengths. ADN2813 might be able to support this type of “burst” transmission when:
1. Used DC coupled series interface;
2. The variant signal CID length is not longer than 200UI;
3. The burst signal coded in NRZ with 50% duty cycle;
4. The VCO could be pre-set closed to “burst mode” signal frequency; and
5. Each burst signal frame should have sufficient preamble bits to properly train the ADN2813.
Hope these answers are useful to your component selection.
Thank you for being interested in our CDR products.
AD807 is one 5V, narrow band CDR. Its capture/tracking ranges are both from 155MHz to 156MHz.
To support a 50MHz or 50Mbps data stream CDR function, we have plenty CDRs.
Both ADN2816 or ADN2813 might be a good candidate for your target applications.
Please get on our public website: www.analog.com and type in the product number to browse
the CDR datasheets. Hope this suggestion is useful to you.
Thanks for your help.
One question regarding to ADN2813. The datasheet says that it can be
used for DC coupling as long as the input DC is below 2.3 volts.
Does this mean that CDR ADN2813 can be used for "burst mode" transmission?
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Dongfeng http://ez.analog.com/people/Dongfeng created the discussion "Re: Questions about AD807" To view the discussion, visit: http://ez.analog.com/message/109437#109437
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"Re: Questions about AD807"
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Thanks very much, it do helps for my component selection.
Dongfeng http://ez.analog.com/people/Dongfeng created the discussion "Re: Questions about AD807" To view the discussion, visit: http://ez.analog.com/message/109810#109810
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