<div id="RTEContent">I use .1uF caps for decoupling, one per IC pin.<br> I would use more if the current draw of slew rate was<br> very high, usually not an issue with TL07x series.<br> <br> I do not share decoupling caps between duals.<br> I run power supply traces to the capaciotr pins, then<br> to the IC. Sharing with two duals will probably mean that<br> the ICs are too dar from the cap to be effective.<br> <br> Minimize the loop area between the decoupling cap<br> and the IC to keep stray inductance at a minimum.<br> <br> (I bet you knew that... :^)<br> <br> H^) harry<br><br><b><i>jhaible@debitel.net</i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> I get much cleaner layouts using duals <br>> and singles. And two duals just don't take up that much more room. (Well, <br>> they do take up a bit more on my boards because they require 4 bypass caps <br>> rather tha!
n 2...
:-)<br><br>Which raises a question how many bypass caps you really need.<br>If the circuit works with a 074 and 2 caps, it should also<br>work with two 072's in close proximity, and 2 caps, shouldn't it?<br><br>JH.<br><br>-------------------------------------------------<br>debitel.net Webmail<br></blockquote><br></div>