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Altera_Forum's avatar
Altera_Forum
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11 years ago

High frequency counter

I am new on FPGA, then sorry for the little knowledge. In my application I have to measure the transit-time of an ultrasonic signal, for that I will develop a counter, but I need the frequency ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

IIRC there was a post similar to this a while ago. You cannot have a single counter in the GHZ frequency, but I think the proposed solution was to use several counters on different phases of the same clock. I cant find the post at the moment, maybe someone else can...