In message <[email protected]>, dated Tue, 4 
Jan 2011, Dave Wilson <[email protected]> writes:

>Can anyone out there explain to me how low-level patient physiological 
>signal simulations (of the orders presumably of millivolts) on 
>patient-coupled cables can be expected to meet susceptibility levels 
>upwards of 3V? Is an exemption applied?

In two words, balanced circuits, but obviously the story is much longer 
than two words.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK
Plural: data, criteria, phenomena. Singular: datum (different meaning: use
'data element' for a single item), criterion, phenomenon. 'Effect' is a noun,
'affect' is a verb (except in psychiatry).

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