[TenTec] Century/22 power out

[Rob Vaughan]

Hi Walt,

Thanks for the reply.  I downloaded the manual available from Ten-Tec online 
(previous owner still looking for the original ;-) before I even picked up 
the rig and there is no alignment procedure in there.

There is no description of what the "40m null" adjustment does or hint on 
how to adjust it.  Just a pic of the board that identifies it.

Anyone have the alignment procedure, or can I ask Ten-Tec for a copy of 
that?

Thanks and 73,

de VE3XGB - Rob


----- Original Message ----- 
From: "Walt Amos" <waltk8cv4612amos at att.net>
To: "Rob Vaughan" <robvaughan at sympatico.ca>
Sent: Tuesday, April 20, 2010 10:50 PM
Subject: Re: [TenTec] Century/22 power out


> If you have the manual or can download it the alignment sequence is 
> spelled out. Naturally you can send it to TenTec but that would probably 
> cost more than the rig is worth. Someone probably aligned it with out 
> taking the 40 M null into consideration or didn't know about it and it is 
> eating the 80M signal.
>
> Walt K8CV Royal Oak, MI.
>
>
> ----- Original Message ----- 
> From: "Rob Vaughan" <robvaughan at sympatico.ca>
> To: <tentec at contesting.com>
> Sent: Tuesday, April 20, 2010 8:03 PM
> Subject: [TenTec] Century/22 power out
>
>
>> Hi All,
>>
>> Recently took ownership of a Century/22 that I really like but a little 
>> bit disappointed by the "20 watts out" claim.  Mine puts out about 15W on 
>> 40m and 30m, but as little as 8W on 80m and 6W on 10m.  It would be nice 
>> to have closer to 20 especially on 80m where noise levels are higher of 
>> course.  I put my ammeter inline with the power supply and can see it 
>> only draws 2.5A when the drive control is full clockwise on 80m whereas I 
>> can drive it to 5.5A on 40m well before full clockwise drive and cause 
>> the 979 supply to cut-out (as its supposed to).
>>
>> When I spoke to Paul at TenTec he suggested it could be the 80m bandpass 
>> filter (would that show low current though?) or that perhaps the "40m 
>> null" adjustment needed adjusting.  He said that can impact output on 
>> 80m. I should have asked him what it does because I don't understand this 
>> adjustment.  Perhaps someone out there can explain it to me.  Don't want 
>> to go adjusting something before I know what the impact/pitfalls are.
>>
>> Thanks for all the help and 73,
>>
>> Rob - VE3XGB
>> _______________________________________________
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>
>