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Post by peter guglielmo on May 30, 2016 8:55:48 GMT -8
hi all, just completed project. the project is on the internet titled esr meter with tone. the problem i'am having is no meter deflection. it appears d3 is not turning on. no meter drive voltage. there is signal at u1b pin 1, but it jumps up and down. no dc voltage on k of d3.
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Post by peter guglielmo on May 30, 2016 9:02:09 GMT -8
sorry, I meant U2A pin 1
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Post by Gary Lecomte on May 31, 2016 13:34:55 GMT -8
It would Help If Post the Schematic.
But you need to become a Member to Post Pictures.
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Post by rambler on Jun 1, 2016 8:06:08 GMT -8
the schematic can be had by google CAPACITOR ESR METER WITH TONE.
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Post by rambler on Jun 1, 2016 15:12:18 GMT -8
hi gary, heres hhttp://www.qsl.net/kh6grt/page4/esrmeter/esrmeter.htmi the link.
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Post by rambler on Jun 1, 2016 15:23:24 GMT -8
whoops, i'll try agsin.http://www.qsl.net/kh6grt/page4/esrmeter/esrmeter.htmi
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Post by Gary Lecomte on Jun 2, 2016 5:49:30 GMT -8
Link Does Not Work.
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Post by rambler on Jun 2, 2016 10:33:31 GMT -8
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Post by rambler on Jun 2, 2016 10:55:56 GMT -8
hi gary, having some trouble with your forum. is me or you?
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Post by Gary Lecomte on Jun 2, 2016 15:30:12 GMT -8
hi gary, having some trouble with your forum. is me or you? What kind of Trouble? He has also posted this Circuit and his problems on Electro-tech.com Click here, linkJust looking at the Schematic is not much help. And I am not prepared to build it just to test it. Besides, Allowable ESR Ratings CHANGE with Working Voltage and Capacitance Value. So I Doubt this circuit will give a Good Indication of ESR. |
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Post by rambler on Jun 3, 2016 5:24:14 GMT -8
hi gary, your correct, I posted this on another forum, but wanted to get your input. so, thanks for your input. stay well.
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