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Easy peasy replied to the thread Extended range for TL431 voltage reference.

Make a simple volt reg to 36V ( or 33 if you prefer ) and run this via a resistor to the Cathode of the 431, use dividers to the...

Yesterday at 2:25 AM
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Easy peasy replied to the thread Where do you get "real" EMC information concerning SMPS?.

Most experienced power electronics engineers who have made product to pass standards know all about the " issues " you raise - and...

Yesterday at 2:17 AM
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Easy peasy replied to the thread Boost circuit simulation problem（Does the crossover frequency of the boost simulation have to be before the peak? ）.

The OP's posted question is non sequitur.

Saturday at 10:04 AM
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Easy peasy replied to the thread Power Mosfet datasheet test circuit Rgext value- switching times.

Really the Rgate value(s) are application specific - to fast a turn off with inductive load can volt spike the fet and kill it too...

Mar 24, 2025
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Easy peasy replied to the thread Bode plot.

I second that - step load tests let you see things that small signal loop plots do not !

Mar 24, 2025
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Easy peasy replied to the thread Small cheap simple microphone needed..

10.5 cents each USD is not to bad ( 10 in a bag ), and yes you need a DC blocking cap due to the way the electret works with the...

Mar 23, 2025
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Easy peasy reacted to betwixt's post in the thread Small cheap simple microphone needed. with Like.

Both electret and piezo discs can produce over 100mV easily so you can almost feed them to a comparator directly. I very strongly advise...

Mar 23, 2025
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Easy peasy replied to the thread Common Mode Choke Query.

if you wire a CM choke as series aiding ( instead of series cancelling - i.e. normal mode ) then you will get 4 x the L of a...

Mar 23, 2025
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Easy peasy replied to the thread Small cheap simple microphone needed..

https://www.aliexpress.com/item/1005005849864178.html?src=google&src=google&albch=shopping&acnt=298-731-3000&isdl=y&slnk=&plac=&mtctp=&al...

Mar 23, 2025
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Easy peasy replied to the thread Bode plot.

unless you can average readings to remove the noise - and calc the phase lag between the two signals ( and the magnitude...

Mar 22, 2025
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Easy peasy replied to the thread Bode plot.

what you can do is use a sig gen ( isolated if necessary ) to inject a sine wave perturbation into the control loop - i.e. into...

Mar 21, 2025
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Easy peasy replied to the thread Bode plot.

what you can do is use a sig gen ( isolated if necessary ) to inject a sine wave perturbation into the control loop - i.e. the...

Mar 21, 2025
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Easy peasy replied to the thread Rdson of a GaN FET.

1V / 22A = 45m-Ohm at that point - 6V drive, the 22 watts would cook it pretty quick if left in that condition 50 m-Ohm is a...

Mar 18, 2025
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Easy peasy replied to the thread TPS61088 - Cannot get enough current.

Yes - verify the Fsw, I simply read it from the graphs in the data sheet with the given R in the sch ! - and also that the...

Mar 18, 2025
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Easy peasy replied to the thread TPS61088 - Cannot get enough current.

What ... ? Oh - you're welcome . . .

Mar 18, 2025

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