piclist 2002\10\02\121140a >
Thread: slow sine wave freq counter
face BY : Wagner Lipnharski email (remove spam text)

Wagner Lipnharski wrote:
> From 2 to 10mVpp is not difficult to use any comparator, even the old
> LM339, but this sensor output being magnetic pickup can be tricky, any
> slower rotation of the magnet can drop down the pickup coil output so
> much that the comparator can start to miss pulses. Anyhow, at this
> voltage level you should take all possible extra care for noise,
> using shielded cable or at least twisted pair....


wow, I just sent it once... hmmm, what happened? I received 3 of them.


http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email spam_OUTlistservKILLspamspamspam_OUTmitvma.mit.edu with SET PICList DIGEST in the body

<010a01c26a2d$f913eb60$9acc1b18@cfl.rr.com> 7bit

See also: www.piclist.com/techref/method/math.htm?key=sine
Reply You must be a member of the piclist mailing list (not only a www.piclist.com member) to post to the piclist. This form requires JavaScript and a browser/email client that can handle form mailto: posts.
Subject (change) slow sine wave freq counter

month overview.

new search...