When the LINE OUT transformer issue was first being discussed on this list I took a look at the data sheet for the device:
http://www.tamuracorp.com/clientuploads/pdfs/engineeringdocs/TTC-108.pdf It's a 600 ohm transformer, rated for 7dBm max (about 1.7 Vrms across 600 ohms). Bob NW8L On Wed, Aug 6, 2008 at 10:56 AM, Tom W8JI <[EMAIL PROTECTED]> wrote: > For the benefit of W8JI ... saturation is a good description of > the behavior. When adjusting the Line Out level above 1V peak, > any single tone in the audio spectrum appears to be clipped > at the 1V level. Although this could be due to clipping in the > audio amplifier, given the manual warning, transformer saturation > appears to be the more likely explanation. >> > > My point is "saturation" is probably one of the most overused terms to > describe problems with transformers or things with soft iron cores. When a > balun gets hot, people call it "saturating" even though it virtually never > is actually saturating. Same for inductors, and I've seen the same for > transformers in everything from old AM gear to modern equipment. > > I doubt it is a "cheap transformer". More likely the load is wrong, the > driver is mismatched or at a power limit, or someone just has the levels way > too high for the equipment design. > > My K3 has no issues at all at rated levels. > > 73 Tom > > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
