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In Reply to: Please see my new post above to CBP. It addresses some of your points. -t posted by Ugly on October 10, 2014 at 21:59:33:
Still completely confused. It is good to take your measurements both before and AFTER the regulator to know what you are dealing with. Usually the ICs have VCC and GND pins that are easy to find, being the first and last pins. Having a spike AFTER the regulator doesn't seem very good to me -- but as I don't have a scope, I am not sure how the waveforms typically look. Usually, they just specify a ripple voltage %. So 5 mV for 15 volts is .03 %, which seems kind of high to me.
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- RE: Please see my new post above to CBP. It addresses some of your points. -t - jedrider 10:14:34 10/11/14 (0)