[R-390] Mods and Mods

David Wise David_Wise at Phoenix.com
Fri Sep 15 14:23:36 EDT 2006


If you run single-ended, the balance adjustment is irrelevant,
as is which side you ground.

73,
Dave Wise

> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of Gord Hayward
> Sent: Friday, September 15, 2006 11:21 AM
> To: r-390 at mailman.qth.net
> Subject: Re: [R-390] Mods and Mods
> 
> 
> When you do the twinax, which side might matter as the balance trimmer
> affects only one side relative to ground.  I haven't yet tried to 
> optimize the
> input with this trimmer - I followed the balance method with 
> two resistors
> aiming for a null as in the book but single sided input might 
> be better
> adjusted. Any thoughts?
> 
> Cheers, Gord (VE3EOS)
> 
> -- 
> 
> Gordon L. Hayward, Ph.D., P.Eng.,
> Associate Professor, Biological Engineering,
> School of Engineering, University of Guelph,
> Guelph, Ontaro, N1G 2W1.
> 


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