[Elecraft] [K3] Elecraft[K-3] K144XV

[John Lemay]

It looks like "TX Delay" is variable from 8 to 20mS. Perhaps this range
could be increased in the software ?

John G4ZTR

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Giulio Pico - IW3HVB
Sent: 08 January 2010 09:23
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] [K3] Elecraft[K-3] K144XV

IMHO an external sequencer is still the best way to have a foolproof 
system. Running QRO with a mast mounted lna isn't a good idea if you 
don't have one. 20 ms is not enough for sure, as most of the QRO coax 
relays have a switching time of that amount or even more....
My sequence timing is around 250 ms, in four steps, including LNA, PA, 
Driver, and RTX/XVTR.

73 de Giulio IW3HVB

AD6XY ha scritto:
> snip
>   
> I am still worried about the diode switching, 2m specific PTT outputs and
> delays. I assume the usual 20mS delay option is there in the menu like all
> the other bands. This is not quite long enough when you are sequencing an
> amplifier and a pre-amp as there is more to switch than just the coaxial
> relays. 
>   

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