[Elecraft] Power too high in PSK31 / S

Don Wilhelm w3fpr at embarqmail.com
Sat Oct 4 19:27:41 EDT 2008


Simon,

My guess is that you are driving too hard if the ALC bars indicate more 
than 5 or 6 bars on a regular basis.
Since Lyle is the designer of those parts, I would tend to believe what 
he is saying.

73,
Don W3FPR

Simon (HB9DRV) wrote:
> So when I'm in DATA mode how do I ensure that I am not using any ALC?
>
> A good data mode operator monitors ALC all the time as using ALC can 
> often result in a wide signal.
>
> Simon Brown, HB9DRV
> www.ham-radio-deluxe.com
>
> ----- Original Message ----- From: "Don Wilhelm" <w3fpr at embarqmail.com>
>>
>> "In this case, the ALC meter display is acting as a "VU Meter" and is 
>> being used to help you set the Tx audio path gain correctly.  It is 
>> not showing you how much you are over-driving the PA.  This is why 
>> you can set it up in Tx test mode, when you are not transmitting any 
>> RF at all. "
>>
>> Additional information can be found in Rev D of the K3 user's manual 
>> on page 32.
>>
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