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100uF decoupling cap for the Dragon?

Started by dlazzarini, May 29, 2020, 07:59:49 PM

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dlazzarini

Hey guys I'm just about done building the Dragon. I noticed on the V-3 switching boards the decoupling cap was lowered from 150uF to 100uF. My question is can I do the same with the 150uF cap on the dragon? I'm assuming so but want to be sure. The lower profile I can make the board the better. I'm putting it in a 1590B instead of the B2. I know that the 150uF will still fit because I used it on the Standout in a 1590B. It's pushing it though. I'd rather use the smaller cap. If anybody can provide a little insight I'd really appreciate it. Thanks

benny_profane

From the v3 switching document:

QuoteThe circuit has one change: the 150uF decoupling cap used in v.1 and v.2 has been replaced with a low profile 100uF cap which is now top-mounted. 100uF is plenty enough for decoupling and the low profile caps are easily obtainable (I use them in most of my DIY builds).

I would imagine that subbing 100uF for the 150uF on the dragon would be perfectly fine.