Hi, When I looked at the specs of an RC02 resistor, the noise is specified as max 1 uV/V for 100E < R <= 1kOhms It seems that this is an absolute value, regardless of the bandwidth which is included in the thermal noise. Is there an explanation to be found in physics? Can anyone explain this? Mathieu Melenhorst ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu