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That's why I've always used the SN65HVD1781, 70V protected and slew
rate limited. Really expensive as these chips go, but the only bad
ones I've had turned out to be fakes and/or used.<br>
<br>
That's one thing to watch for, every time I've tried to buy these
from a less than very well known source, they've turned out to be
counterfeit. Had one place try to convince me they're not even
after I showed them the TI rep confirming they were fake.<br>
<br>
So, even when a manufacturer tries to do good, it's easy to be
caught shipping trash.<br>
<br>
<div class="moz-cite-prefix">On 07/21/2015 09:24 AM, Dale Farmer via
Stagecraft wrote:<br>
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<div>The o-scope pictures really bring it home to me. I had read
about ringing and such in books but never really groked it.
Looking at them under the different termination scenarios made
it easy to understand. </div>
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<div>Dale</div>
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<div style="font-size:85%;color:#575757">Sent from my Verizon
Wireless 4G LTE smartphone</div>
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<pre class="moz-signature" cols="72">--
Jerry Durand, Durand Interstellar, Inc. <a class="moz-txt-link-abbreviated" href="http://www.interstellar.com">www.interstellar.com</a>
tel: +1 408 356-3886, USA toll free: 1 866 356-3886
Skype: jerrydurand
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