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Subject: Re: Frequency Counter

Date: 10/19/00 at 11:05 AM
Posted by: John Dunn - Consultant
E-mail: ambertec@ieee.org
Message Posted:

In Reply to: Frequency Counter posted by Rickard Ericsson on 10/18/00 at 5:48 AM:

Hello, Rickard.

I published a frequency thresholding circuit in EDN magazine, January 21, 1981, page 148. It uses two 74LS123 dual one-shots and one logic gate. I think you could adapt it to your purposes.

If you can't locate a copy from a magazine that old, let me know and I'll e-mail a copy of the circcuit to you.

Good luck.

John Dunn - President
Ambertec, Inc.
ambertec@ieee.org


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