[Elecraft] New KX1 low power and 20m oscillation

[Don Wilhelm]

Sooo??? - the KX1 is a "solder" type kit.  It is the KX3 that is "no 
solder".:-)
I meant to say "collector" instead of "connector" - please forgive - 
actually my excuse is that the letters are wearing off my keyboard and I 
am not fully a touch typist - only halfway there, so you pardon the 
mistypes.  The "E", "A". "N", and "M" are completely worn off and the 
"C" is only half there.

73,
Don W3FPR

On 5/8/2012 8:36 PM, Geoffrey Mackenzie-Kennedy wrote:
> 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
>
>