[Elecraft] K3 TX delay

briana alsopb at nc.rr.com
Wed Feb 15 09:23:46 EST 2012


Alternatively buy any Kenwood, Yeasu et al which has this figured out.
This has been a long standing problem with the K3.

I'd like to hear from Elecraft that it "can't be fixed".

73 de Brian/K3KO

On 2/15/2012 9:07 AM, Don Wilhelm wrote:
> Igor,
>
> Yes, longer T-R delay times can chop off the leading edge of CW elements.
> The proper answer is to add QSK capability to the amplifier.
> If that is not possible or desirable, you may have to use a PTT footswitch.
>
> If the amplifier is not capable of QSK operation at the keying speeds
> you use, there is not much that can be done in the K3 to compensate for
> the amplifier inadequacy.
>
> 73,
> Don W3FPR
>
>
> On 2/15/2012 7:21 AM, Igor Sokolov wrote:
>    
>> I wonder if there are plans to properly implement programmable TX delay in
>> K3 in the near future.
>> Current implementation works only with 8 ms delay. Attempts to increase this
>> setting to max 20 ms ruin CW timing especially at high  CW speed.
>> Unfortunately 8 ms is too short for many of power amps, let alone other
>> external switching (stack control, external TX/RX switches etc) Separate
>> sequencer is obvious answer but carry additional box is not in line with my
>> purpose of light weight contest or  dx peditions. Is there any other
>> solution?
>>
>> 73, Igor UA9CDC
>>
>>      
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