From: Jim Thompson
Subject: Re: Zero Crossign Detector to be used with a microcontroller
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Date: Sun, 15 Sep 2002 17:09:34 GMT
On Sun, 15 Sep 2002 16:53:19 GMT,
Max Foo ,
In Newsgroup: sci.electronics.design,
Entitled: "Re: Zero Crossign Detector to be used with a
Wrote the following:
|50/60 Hz Current Transformer - CS2106 from coilcraft. pickup some free
|On Mon, 16 Sep 2002 01:09:20 +1000, Sam wrote:
|>I am building a curcuit that will require a microcontroller to detect
|>the AC voltage crossing to zero. I belive there should be a chip that
|>can fire a pulse when the AC crosses zero. I appreciate if anybody
|>could give me a part number or a link.
|>I need to have a good isolation from the AC and don't mind if I need
|>to use more components to achieve that.
That'll give you the zero crossing of CURRENT, not VOLTAGE. Useful
for some applications but not others.
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
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