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Questions tagged [clock-recovery]

Questions relating the recovery of timing information in serial communications.

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Ethernet PHY clock and sync

I have a general question about reference clocks for ethernet PHYs. The PHYs I have seen so far require an external clock source like a xtal or other singleended clock (in addition to the clk lines ...
-1
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1answer
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Could someone explain what is clock data recovery?

I have read that clock data recovery is essential for decoding signals, for instance decoding output of rotary encoders But I don't know how it helps to decode signals. Any hint or reference would ...
4
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4answers
375 views

In clock recovery, how is the recovered clock used to recover data?

I've been refreshing my memory on clock recovery, and I've hit some issues trying to understand how the recovered clock can be practically used to latch data bits from the input data stream. For ...
3
votes
1answer
573 views

Displayport clock recovery

The displayport protocol runs at a fixed frequency of either 1.62GHz, 2.7GHz, or 5.4GHz. The pixel stream (strm_clk) it carries runs at an arbitrary frequency and is likely to be asynchronous to the ...
6
votes
4answers
972 views

Reconstructing Clock for Serial Signal

Suppose that I have a serial signal (example below), which is transmitted without an accompanying clock signal, I would like find a circuit (using discrete components / ICs, possibly an FPGA, but not ...