On Tue, Aug 31, 2010 at 9:48 AM, vasile surducan <[email protected]>wrote:
> > > On Tue, Aug 31, 2010 at 9:19 AM, Joep Suijs <[email protected]> wrote: > >> Hi Vasile, >> >> 2010/8/31 vasile surducan <[email protected]>: >> > Hi Joep, >> > There might be one problem with such soldering station (and those which >> are >> > working in analog or RF field knows it). >> > Temperature control is using a triac which is generating a lot of noise. >> This one works with a magnetic switch and the tip has a magnet that >> looses it's field at the desired temperature. So yes, there is some >> switching (of 24ac), but not that often. I'm not sure what noise a >> mechanical switch creates, compared to a triac or other solid state >> switch. >> > > Very small , magnetic solution is the best. > But also has a problem after long use: the magnetic hysteresis is depreciating and that is creating a quite large temperature variation. > Vasile > >> >> Joep >> >> -- >> You received this message because you are subscribed to the Google Groups >> "jallib" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<jallib%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/jallib?hl=en. >> >> > -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
