It is a DMM - sorry. $3 hamfest special, no brand, but it says model DM-301 on it!
Thanks - you've sort of answered my question about the waiting about a second to get a reading too. 73 de Joseph Durnal NE3R On Jan 30, 2008 2:44 PM, Don Wilhelm <[EMAIL PROTECTED]> wrote: > Joseph, > > You said you were using a VOM to measure resistance, and that may be your > problem. Many VOMs use a battery voltage when measuring resistance that is > high enough to turn on solid state devices and can even destroy them. > > Use a DMM for better results. Even the $5 to $10 ones perpetually 'on sale' > at Harbor Freight Tools will give good results - cheap DMMs are accurate, > they do take more time for the readings to settle down than the expensive > ones, but if you wait about a second, they will tell you the correct story. > > 73, > Don W3FPR > > Joseph M. Durnal wrote: > > Well that is a big help! Thanks. At least this time I know how to > count the > pins on an IC, when I built the Filter board, I didn't but > assumed I did and > was very confused. > > Pin 3 starts at about 20k for a second or less then > jumps to well over 50k. > > > Thanks & 73 de Joseph Durnal NE3R > > On Jan 30, 2008 > 2:09 PM, Strode, Carl R <[EMAIL PROTECTED]> wrote: > > > > U4 pin 4 reads only 0.4 ohms - I think I have a problem here, but I have no > idea what it could be, the manual said it should be > 50k. > The schematic > seems to show it as a ground. > > You should be checking U4 Pin 3 > Pin 4 is > indeed ground. > > > Carl Strode > WA7CS > > > _______________________________________________ > Elecraft mailing list > Post > to: [email protected] > 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: [email protected] 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
