[Elecraft] Audio problem in WPX SSB

Andrew Faber andrew.faber at gte.net
Tue Apr 8 13:41:30 EDT 2008


Don,
  What answer of Lyle's are you referring to?  I think I asked the original 
question, but didn't get that answer, as far as I know.  Thanks.
  73, andy, ae6y
----- Original Message ----- 
From: "Don Wilhelm" <w3fpr at embarqmail.com>
To: <microham at microham-usa.com>
Cc: "'Andy Faber'" <andrew.faber at gte.net>; <elecraft at mailman.qth.net>
Sent: Monday, April 07, 2008 10:17 AM
Subject: Re: [Elecraft] Audio problem in WPX SSB


> Joe,
>
> Check Lyle's answer yesterday to similar questions.  It is a known problem 
> and the fix is being field tested right now.  You can expect the firmware 
> release to fix it in about a week according to Lyle.
>
> 73,
> Don W3FPR
>
> Joe Subich, W4TV wrote:
>>>   With the K3, the messages play fine, but after one finishes, if I use 
>>> the mic, the radio starts out at lower power and takes 2-4 seconds to 
>>> build back up to high power. This is the same whether using the front or 
>>> rear input and whether using high or low gain.
>>
>> I've noticed the very same thing with the microHAM microKEYER II and its 
>> software DVK.  I have not had time to further diagnose the issue and 
>> check it with other interfaces but it is quite pronounced.
>> There is no difference if using FP.L or FP.H when the MK II output is 
>> adjusted for four to five bars of ALC.  Bias is OFF and the microphone 
>> output of microKEYER II is capacitive coupled (top and bottom) so there 
>> is no "DC effect."
>> I will not have time to look at this issue further until later in the 
>> week.
>> 73,
>>    ... Joe, W4TV
>>
> 




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