[Elecraft] K3 TX delay

Jack Berry jlberry at yahoo.com
Wed Feb 15 10:04:27 EST 2012


I'd like to hear that it CAN be fixed. That would be better. 

On Feb 15, 2012, at 8:23 AM, briana <alsopb at nc.rr.com> wrote:

> 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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>> 
> 
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