[time-nuts] Tbolt temperature sensor

[Bruce Griffiths]

Perhaps the solution is to use a single chip microprocessor with a high
resolution temperature sensor to emulate the DS1620 ?

WB6BNQ wrote:
> Ulrich,
>
> The problem is the software structure is different for the DS18S20.  So the Tbolt
> would not know what to do with it.
>
> Bill....WB6BNQ
>
>
> Ulrich Bangert wrote:
>
>   
>> Mark,
>>
>> in this case the DS1620 may perhaps be exchanged against a DS18S20 which
>> definitely supports the high res reading. Bought chips & programmed for
>> them at the end of last year.
>>
>> Best regards
>> Ulrich Bangert
>>
>>     
>>> -----Ursprüngliche Nachricht-----
>>> Von: time-nuts-bounces at febo.com
>>> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Mark Sims
>>> Gesendet: Samstag, 7. Februar 2009 05:02
>>> An: time-nuts at febo.com
>>> Betreff: [time-nuts] Tbolt temperature sensor
>>>
>>>
>>>
>>> I got some info back from Maxim on the DS1620.  The rev D
>>> chips use the dual oscillator design described in the data
>>> sheet.  The rev E chips are based on a temperature
>>> compensated bandgap design.
>>>
>>> The high resolution read routine is based upon reading
>>> counter values and residuals...  it's beginning to look like
>>> the newer chips don't do it...  I've got more questions to
>>> ask Maxim...
>>> _________________________________________________________________
>>> Windows Live™: Keep your life in sync.
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>>>       
>> ore_022009
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