[Diy_efi] WB testing problems MORE!!!

Stephen Andersen SAndersen at advan-tek.com
Tue Apr 23 12:30:28 GMT 2002


Well, I bought the cap at Radio Shack, and with their 
measly selection was all I could find.  Anyway, the package
says 2.2ufd, non-polarized, eletrolytic, axial leads...

I guess I need to order some bits from Digi-key!!!

Thanks,
Steve

> -----Original Message-----
> From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org]On
> Behalf Of bcroe at juno.com
> Sent: Tuesday, April 23, 2002 1:26 AM
> To: Diy_efi at diy-efi.org; RRauscher at nni.com
> Cc: Stephen Andersen; bcroe at juno.com
> Subject: [Diy_efi] WB testing problems MORE!!!
> 
> 
> Steve, 
> 
> The board would probably work with the cap out or a 
> smaller value.  
> 
> I'm sorry if not clear before, any electrolytic capacitor is
> going to have leakage.  Tantalum too, just less.  But a 
> paper/film cap should have negligible leakage.  Such 
> caps are common up to 0.1 ufd, I'd try something like 
> that to see if the problem is cured.  If the 0.1 causes 
> a shift in voltage, its an indication there is some 
> AC voltage present which takes a scope to read.
> 
> Values up to .47 ufd or 1 ufd are less common but 
> available.  Putting several of these in parallel to get 1 
> or 2 ufd should be adequate for the job.  
> 
> I never saw a non polarized electrolytic that small, are 
> you sure?
> 
> Bruce Roe
> 

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