[Elecraft] K2 - low power/reception on 80m

Philippe philippe at f5iyj.com
Mon Oct 3 09:35:00 EDT 2016


Thanks Don, 

I measured at 4000KHz (5.87V) and at 3500KHz (1.85V) so it is within the
range you gave me. I need now to take my RF probe and go further. 

Again, many thanks for the help you provided. Greatly appreciated. 

73, 

Phil. 

On 02.10.2016 00:43, Don Wilhelm wrote:

> Phil,
> 
> One thing you can easily and quickly check is that the VCO signal has not gone out of range.
> Set the K2 to 4000kHz and measure the left end of R30 - it should not be above 7.5 volts (nearer to 6 volts is better).  Then tune to 3500kHz and again measure the left end of R30 - it should not be below 1.5 volts.  If it is within that range, the VCO is properly locking.
> 
> If it is not within that range, do the VCO Alignment as indicated in the manual on page 64 (if the manual is older, you will find it on page 55).
> 
> 73,
> Don W3FPR


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