[TenTec] Corsair II ALC issue

[joel hallas]

My Corsair I didn't have that problem in full or semi-QSK.

GL, Joel, W1ZR

Steve N4LQ wrote:

> Does going to the "slow qsk" mode help? I think you are experiencing 
> the typical audio derived agc syndrome. When coming off mute, the rx 
> gain is at max since the agc hasn't had time to react to the 
> ever-present strong signal you referred to. By the time the agc can 
> react, the burst of signal has made it to the af amp and produces the 
> big thump. Under those conditions you options are to use slow qsk or 
> decrease the RF gain accordingly. This behavior is typical of most 
> older TenTec rigs prior to the Paragon.
> Steve N4LQ
> ----- Original Message ----- From: 
> <john.brewer at us.schneider-electric.com>
> To: <tentec at contesting.com>
> Sent: Monday, November 29, 2004 9:15 AM
> Subject: [TenTec] Corsair II ALC issue
>
>
>> Hello,
>>
>> This weekends CW test proved a great workout for the Corsair II I 
>> recently purchased.
>>
>> One of the issues I noted, was a thump when the rig was transitioning 
>> from CW transmit
>> to receive, in the presence of strong signals. This happened with 
>> both ALC settings and
>> both SSB and CW filter employed.
>>
>> It sounds like the ALC is too slow to handle the transition from mute 
>> to receive.
>>
>> Is there a mod/workaround for this, or is this situation unique to my 
>> rig?
>>
>> The only other rig I've heard that has this issue, is the Elecraft 
>> K1, which does
>> exactly the same thing, in the same circumstances. (Surprisingly, the K2
>> does not...I used it on CQWWDX and it performed like a champ, w/100 
>> watts).
>>
>>
>> Thanks for your insight
>> John K5MO
>>
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>
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