[ARC5] Dynamotor Capacitor

Kenneth G. Gordon kgordon2006 at frontier.com
Tue Mar 25 11:18:12 EDT 2014


On 25 Mar 2014 at 6:51, J. Forster wrote:

> Doesn't matter. If the Source is stiff (low impedance) there won't be
> voltage spikes.
> 
> The caps are in case the source is NOT stiff, as I said.
> 
> -John

A case in point: ARC found that the most effective way to reduce or eliminate 
hash from the dynamotor into the receiver was to, simply, thoroughly 
"ground" the dynamotor frame to the receiver chassis.

I would think that if the hash was caused by several hundred volts of 
back-EMF hash, this would have had minimal impact.

I agree with John.

Ken W7EKB


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