<p dir="ltr">Thanks, it's good to know things are different in your experience.</p>
<br><div class="gmail_quote"><div dir="ltr">On Wed, 5 Apr 2017 19:41 Gordonjcp, <<a href="mailto:gordonjcp@gjcp.net">gordonjcp@gjcp.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Wed, Apr 05, 2017 at 05:20:27PM +0000, cheater00 cheater00 wrote:<br class="gmail_msg">
> The effect is much more dramatic than you say, and it seems to be easily<br class="gmail_msg">
> achievable. Here's a post by <a href="mailto:evilterrance@hotmail.com" class="gmail_msg" target="_blank">evilterrance@hotmail.com</a> on the Electronics<br class="gmail_msg">
> 101 mailing list:<br class="gmail_msg">
><br class="gmail_msg">
> > how about losing 80% of their capacitance by the time you are only<br class="gmail_msg">
> halfway to their voltage rating?  Look at the graph in the upper right:<br class="gmail_msg">
> ><br class="gmail_msg">
> ><br class="gmail_msg">
> <a href="https://product.tdk.com/info/en/documents/chara_sheet/C1608X5R1V225K080AC.pdf" rel="noreferrer" class="gmail_msg" target="_blank">https://product.tdk.com/info/en/documents/chara_sheet/C1608X5R1V225K080AC.pdf</a><br class="gmail_msg">
> ><br class="gmail_msg">
> > That +-10% tolerance?  Only counts to ONE volt.  To be fair, that is an<br class="gmail_msg">
> X5R...but look up your favorite X7R cap and check that DC bias curve.<br class="gmail_msg">
> Disappointing.<br class="gmail_msg">
<br class="gmail_msg">
All very well in theory, but capacitors simply do not behave like that in real life.<br class="gmail_msg">
<br class="gmail_msg">
If you don't believe me, try to rig up a test circuit that demonstrates this behaviour.<br class="gmail_msg">
<br class="gmail_msg">
--<br class="gmail_msg">
Gordonjcp MM0YEQ<br class="gmail_msg">
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</blockquote></div>