But that requires the use of solder :-) 73, Geoff LX2AO
On May 09, 2012 at 02:02 +0200, Don Wilhelm wrote: > Actually, there is an easier test - just put a temporary jumper between > the connector and emitter of Q7. Do not expect it to receive with that > jumper in place, but observe what happens to the sidebands when you > transmit. If it cleans things up with the jumper in place, replace Q7 > and make certain R28 is well soldered. > > Stan reported a negative voltage on the base of Q7 - I trust that was > while transmitting, and if that assumption is true, I suspect R28 has a > problem. One end of R28 should be near 6 volts when transmitting and > the other end should be near 0.6 volts. > > 73, > Don W3FPR ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
