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

Bob Bownes bownes at gmail.com
Fri Jul 9 17:37:19 EDT 2010


q4 and the 3/8 trimmers are in my list.

On Thu, Jul 8, 2010 at 8:34 PM, Bob Bownes <bownes at gmail.com> wrote:
>  I'll get these 2 corrections in tonight. I was wondering if the 3/8"
> parts would fit.
>
> On Thu, Jul 8, 2010 at 8:07 PM, Bob Camp <lists at rtty.us> wrote:
>> Hi
>>
>> Another thing I think we need to get on the project is Q4:
>>
>> 512-2N7000TA    Farichild's version at 0.13 each.
>>
>> Since I didn't create the project I don't seem to be able to edit it ....
>>
>> 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
>>>>> lester at veenstras.com
>>>>> m0ycm at veenstras.com
>>>>> k1ycm at veenstras.com
>>>>>
>>>>>
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