[TenTec] 238 Tuner Mod

[Ron Castro]

I think the cost calculation was the bigger driving force in that decision!

         Ron  N6IE
      www.N6IE.com


----- Original Message ----- 
From: "Jim Brown K9YC" <k9yc at audiosystemsgroup.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Tuesday, March 04, 2008 7:45 AM
Subject: Re: [TenTec] 238 Tuner Mod


> On Tue, 4 Mar 2008 09:55:27 -0500, Jack Mandelman wrote:
> 
>>However, instead of using 
>>doorknob caps I replaced the originals with 6KV 470pF Y5P ceramics. 
> 
> It's no surprise that the original caps, which have a fairly high 
> negative temperature characteristic, change value as they warm up -- 
> they are SPECIFIED to do that. :)  I'm wondering if it was a pricing 
> decision  by Ten Tec to use them, or if the designer was attempting 
> to compensate for heat-related drift in the other direction by the 
> inductor?
> 
> 73,
> 
> Jim K9YC
> 
> 
> 
> _______________________________________________
> TenTec mailing list
> TenTec at contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>