Rank: Member
Groups: Member
Joined: 2/8/2009(UTC) Posts: 22 Location: Hong Kong
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just ordered the Placid and want to find out more.
I do not have idea what is meant by 'Shunt' power supply. This could sound silly. But will adding capacitor at the output of the Placid. Like a 1000uf or even 2200uf capacitor improve the performance of this power supply ? or will it be the other way round.
Alan
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Rank: Administration
Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN
Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)
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Just to keep it short, shunt regulators work best without extra capacitance at the outputs.
Cheers! Riss
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Rank: Advanced Member
Groups: Member
Joined: 5/9/2008(UTC) Posts: 62
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But local decoupling is still important, yes?
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Rank: Administration
Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 3,979 Location: Nashville, TN
Thanks: 25 times Was thanked: 89 time(s) in 83 post(s)
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Not decoupling so much as bypassing. :)
And for this the cap will need to be extremely low ESR and ESL.
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Rank: Member
Groups: Member
Joined: 2/8/2009(UTC) Posts: 22 Location: Hong Kong
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Hi, Russ
Does that mean the bigger uF the better as bigger uf means lower ESR and ESL ?
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