[sdiy] input buffer question

[Neil Johnson]

Hi,

David G. Dixon wrote:
> Neil, I'm using the diodes in the opposite direction, on the  
> "inside" of the
> rails.  Hence, assuming diode drops of 0.7V, then my inputs are  
> limited to
> +/-14.3V.  This is more for spike protection than for phase reversal
> protection.

Sorry if I'm being dense, but what do you mean by "inside of the  
rails"..?  Could you draw a diagram and put it on the web somewhere?   
Googledocs or something like that.

Neil
--
http://www.njohnson.co.uk