Jon KE9NA says:
> >>need to take the QSK capabilities of the amplifier into consideration.
> ...
>>IMHO, I wouldn't worry about it. Some say that with the TX speed
of
>>modern rigs, you need it so you don't hot switch. However, when
you >>key down with SSB you don't generally start talking in a couple of
>>milliseconds. Again, I wouldn't worry about it and I would only
make
>>whatever modifications you deem necessary after having the amp and
>>working with it for a while.
Pete, N4ZR says
>Here, I disagree, at least in part. I have experienced T/R relay
sticking
>in my SB-220 due to hot switching, in both phone and CW. If you
rely on
>the vox to switch from receive to transmit for either phone or
RTTY, your
>radio will probably deliver RF to the amp's relay before it's ready
I go along with Pete and Rich here. Also, I'm told that some of the modern
radios will give a 'spike' of RF on key down without an input, because the
gain is high, and the switching transients give a 'glitch', and the ALC
won't operate fast enough to catch it.
73
Peter G3RZP
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