Yes, it is absolutely necessary to distinguish between rise time and TX delay.
Fast rise time will always cause clicks. Too short TX delay may cause clicks
due to hot switching of relays. And, as Pete notes, it’s really hard on relays.
73,
Scott K9MA
----------
Scott Ellington
--- via iPad
> On Jun 7, 2020, at 12:57 PM, N4ZR <n4zr@comcast.net> wrote:
>
> And as I've said before, is it necessary to distinguish rise time adjustment
> from TX Delay settings? I think so, and wonder how many of these settable
> menu parameters really are TX Delay. That might be easier to sell to people,
> since set too short it's murder on amplifier relays.
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network
> at <http://reversebeacon.net>, now
> spotting RTTY activity worldwide.
> For spots, please use your favorite
> "retail" DX cluster.
>
>> On 6/7/2020 12:24 AM, rayday@cox.net wrote:
>> Hi all,
>>
>>
>> I've been watching "The Great Rise Time Debate" - and I'm happy this is
>> being discussed. I may have missed it, but are we all assuming that when a
>> radio manufacturer has a "6 ms" rise time setting, that it's actually 6 ms?
>> Or are the 2-4-6-8 settings in practice something like 1-2-4-6 when
>> measured? Just asking..
>>
>> 73,
>>
>> Ray N6HE
>>
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