[volt-nuts] Homebrew DVM
Andreas Jahn
Andreas_-_Jahn at t-online.de
Tue Nov 15 22:19:32 UTC 2011
Hello Fred,
I asked for the 26 bit (24 bit usable) ADC.
Do you really get this (noiseless) resolution with a simple dual slope ADC?
With best regards
Andreas
>
> http://www.pa4tim.nl/?p=2482 there you see the schematic and some pictures
> ( the top one is from the circuit that, i was told, turned out to be a VF
> converter)
>
> Fred PA4TIM
>
>> I am looking now for a converter with less noise.
>> So what ADC are You using?
>>
>>>
>>> Now I have a 26 bit ( 24 bit usable) ADC waiting to be used interfaced
>>> to the arduino, I am making/experimenting with some Vrefs and have parts
>>> for a compound chopper based on a LT1052. But the realisation will be up
>>> in the future, first gathering more knowledge about percision and micro
>>> volt techniques.
>>>
>>> Fred PA4TIM
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