Re: TCXO - 0.5PPM

Posted by wayne burdick on Dec 28, 2010; 6:55pm
URL: http://elecraft.85.s1.nabble.com/TCXO-0-5PPM-tp5872529p5872630.html

This is not specified, but to be safe, I'll say "after." However, I've  
observed very little additional drift during warmup. This is a TCXO,  
not an ovenized oscillator, so it would tend to correct for all  
temperature changes whether due to internally generated heat or  
ambient changes.

73,
Wayne
N6KR


On Dec 28, 2010, at 10:49 AM, [hidden email] wrote:

> Wayne, is the TCXO drift spec for the period after warmup, or does  
> it include the warmup period?
>
> Steve N9SZ
>
>> At present, "method 3" remains unimplemented. Fortunately the TCXO's
>> uncorrected drift is already less than +/- 0.5 PPM from 0 to 50 C.
>> This was the target for "method 3".
>
>> 73,
>> Wayne
>> N6KR
>
>
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