[Elecraft] New KX1 low power and 20m oscillation

[Geoffrey Mackenzie-Kennedy]

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