🚀 go-pugleaf

In article <1992Dec21.222037.17229@news.mentorg.com>, philip@mentorg.com (Philip Peake) writes:
|> In article <BzMEHo.66s@ncifcrf.gov>, digennar@fcs280s.ncifcrf.gov (Frank S. DiGennaro) writes:
|> |> 
|> |> This might be a dumb question, but here goes. If I put a sine wave of frequency
|> |> F into a series of N flip-flops, the output will be a square wave of frequency
|> |> F/2^N. How do I re-shape it back to a sine wave?
|> 
|> You pass it via a low pass filter, with the cut-off frequency at F/2^N.
|> 
|> If I didn't know how "digitalised" most current electronics courses
|> have become, I would class this as a dumb question - but given the
|> current (excessive) digital bisa - you are forgiven :-)
|> 
|> Philip

You would be suprised how many electrical engineers are graduating without
knowing the answer to Frank's question. If you do not believe me, run a 
test in the near by electrical engineering school. 
-- 

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