[sdiy] filter cap needed?

[db]

I'm sure it's a good idea to have the cap...
But, I already fully built my device and closed it up without a cap, and 
don't want to get back into it unless it's semi-important..  :)



At 3/23/2009 02:10 PM, dragons wrote:
>Hi,
>I think it would be a good idea, even if things seem ok without them.
>after all they shouldn't be that expensive.
>regards Peter
>
>db wrote:
>>I have a wallwart suppling 9vdc to a 7805 to reduce to 5v.
>>All seems to work fine.
>>Do I need capacitors on the 7805 5v out to gnd?
>>The circuits I see all have some, but this seems to be ok without any.
>>dennis.barton:skylab2000[socal]
>>
>>
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dennis.barton:skylab2000[socal]