[time-nuts] Parts (Mouser) for the PICTIC II

Bob Camp lists at rtty.us
Thu Jul 8 19:56:24 EDT 2010


Hi

Ok, It wasn't clear to me weather the 3/8" parts would fit on the layout in place of the 1/4" parts. The larger parts are indeed easier to get.

Thanks!

Bob


On Jul 8, 2010, at 7:26 PM, Richard H McCorkle wrote:

> Bob,
> Instead of the 3266 series go to the 3296 series
> 
> 5K Trimmer, top adjust
> 652-3296W-1-502LF 7100 in stock
> 652-3296Y-1-502LF  590 in stock
> 
> 200 Trimmer, top adjust
> 652-3296W-1-201LF 1090 in stock
> 652-3296Y-1-201LF 830 in stock
> 
> Richard
> 
> 
>> Hi
>> 
>> The real question somebody needs to answer is - will it work with side adjust
>> trimmers? If not, then we're going to have to find another source to get the
>> trimmers from.
>> 
>> The project on Mouser shows the 3266p trimmer. AFIK the correct part is the 3266w.
>> The board also appears to be laid out for the 3266y. Another alternative is the
>> 3266x. All the details of what's what are at:
>> 
>> http://www.bourns.com/data/global/pdfs/3266.pdf
>> 
>> My guess is that the 3266p isn't going to work. The 3266y is even harder to get
>> than the 3266w. The 3266x looks problematic when you go to do the adjustment
>> 
>> Rational solutions:
>> 
>> 1) Jameco shows the 3266w as "ships today" in 5 K ohms. Who knows how many they
>> actually have....
>> 2) 3266w is available in the 2K ohm flavor at Mouser (lots in stock). If you change
>> R16 and R23 to 1K ohms, the 2K pot should work fine.  That makes them the same
>> value as R5 and R6. One fewer line item ...
>> 
>> I'd vote for option 2.
>> 
>> Bob
>> 
>> 
>> 
>> 
>> On Jul 8, 2010, at 2:55 PM, Lester Veenstra wrote:
>> 
>>> Safe to get in the water yet?
>>> 
>>> 
>>> 
>>> Lester B Veenstra  MØYCM K1YCM
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>>> 
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