[Elecraft] K3 TX delay
Joe Subich, W4TV
lists at subich.com
Wed Feb 15 10:30:08 EST 2012
Rick,
> So the concern is with amps that switch in, let's say 30 ms, for
> example? You mean the 20 ms setting is still too fast for those
> amps?
No, the problem is with straight key or an external keyer. TX
Delay delays the onset of RF by the correct 8 - 20 ms but it does
not also delay the entire incoming CW so the elements get truncated.
This may not be an issue for those who are not using QSK but with
QSK the CW elements are truncated.
One solution is to use a keyer like the K1EL WinKey that permits
adding a fixed length to the elements to compensate for the K3's
"bit clipping". However, the proper solution would be for the K3
to extend each element by the length of TX Delay when in QSK and
extend the initial element by TX Delay when in semi-break in.
73,
... Joe, W4TV
On 2/15/2012 10:08 AM, Rick Stealey wrote:
>
>
>
>> I suspect that as far as Wayne and Eric are concerned, any amplifier that doesn't handle qsk is broken, so the K3 doesn't need fixed.
>>
>> Matthew Pitts
>
> Matt,
> So the concern is with amps that switch in, let's say 30 ms, for example?
> You mean the 20 ms setting is still too fast for those amps?
>
> Rick K2XT
>
>
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