I want to change C31 on my K1 RF board to 1uF at the same time I change my tuning rate to 150 khz. C31 is an electrolitic capacitor as supplied, however, in looking thru the K1 and K2 parts lists, I find only non electrolitic capacitors for 1uF. Does it matter for C31? This seems to be the value where Elecraft switches to electrolitic capacitors. I know that electrolitic capacitors don't work in all cases but I don't see why it wouldn't work the other way around. Or should I be looking for an electrolitic capacitor? Thanks - Rick - K7MW ----- Original Message ----- From: "Rick Dettinger" <[EMAIL PROTECTED]> To: <Elecraft@mailman.qth.net> Sent: Monday, March 27, 2006 12:20 PM Subject: Re: [Elecraft] K1 tuning range
> Thanks Mike - That makes sense as we used to consider 20 to 25 khz per rev. > ideal in the good old days. Thoes PTO's and LMO's didn't have a free > spinning knob. 15 khz per rev. should work just fine, even with the smaller > knob on the K1. -Rick - > ----- Original Message ----- > From: "Mike Morrow" <[EMAIL PROTECTED]> > To: <Elecraft@mailman.qth.net> > Sent: Monday, March 27, 2006 8:34 AM > Subject: Re: [Elecraft] K1 tuning range > > > > >Thanks to the list for the comments and suggestions on K1 tuning range. > > > > Claims that the full 180 kHz tuning range of the K1 is too touchy or hard > to use are way overstated. Perhaps it would be if one were operating from a > tank over bumpy obstacles. > > > > I've used the 180 kHz tuning range for more than five years on my K1. The > problem is *not* that the frequency changes too fast while tuning. It > doesn't. Rather, the real problem results from the the VFO potentiometer > having very very little resistance to rotational motion. This makes it hard > to remove one's fingers from the dial without imparting some small amount of > undesired pot motion. > > > > The solution to this problem is very easy. Get some thin felt material > and cut out several "washers" to place between the back of the VFO knob and > the front panel. Put in just enough until you get that small amount of > rotational resistance that allows the dial to remain in position as you let > go of it. > > > > Capability of full 40m CW band coverage in those regions that allow > operation to 7150 kHz more than makes up for any perceived disadvantage. > There's a lot up there. Then there's the bonus of being able to copy 10000 > kHz WWV on the 30m band (but you'll have to install that alternate 30m > hetrodyne crystal to get that). > > > > 73, > > Mike / KK5F > > > > > > _______________________________________________ > > 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 _______________________________________________ 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
