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- Newsgroups: sci.electronics
- Path: sparky!uunet!news.mentorg.com!mentorg.com!philip
- From: philip@mentorg.com (Philip Peake)
- Subject: Re: Pulse Shaping...
- Sender: news@news.mentorg.com (News User)
- Message-ID: <1992Dec21.222037.17229@news.mentorg.com>
- Date: Mon, 21 Dec 1992 22:20:37 GMT
- References: <BzMEHo.66s@ncifcrf.gov>
- Nntp-Posting-Host: sun_shine.mentorg.com
- Organization: Mentor Graphics
- Keywords:
- Followup-To:
- Lines: 13
-
- 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
-