[Cryptech Tech] Updated version of alpha board drawing and description available

[Basil Dolmatov]

dol@ с iPad

> 25 марта 2015 г., в 14:24, Павел Шатов <meisterpaul1 at yandex.ru> написал(а):
> 
>> On 25.03.2015 13:48, Joachim Strömbergson wrote:
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>> 
>> Aloha!
>> 
>> Version 0.006 of the Alpha board drawing is now available in the repo:
>> 
>> http://trac.cryptech.is/export/HEAD/doc/design/Alpha_board_drawing.pdf
> 
> Hello!
> 
> Joachim, can you recommend what EEPROM to use for FT232H configuration?
> 
> I want to clarify one thing regarding power supply. How is Fredrik's circuit powered now? If it requires very clean power,
Not only clean, but maximum independent from the input.
There are attacks on RNG, based on power tweaking.
> then dedicated two-stage power regulator should be used to power it. This is the common approach used to power critical analog components. The first stage is a switching regulator, the second stage is a low-dropout linear regulator. You can use SEPIC converter with 12.5V output as the first stage followed by LDO regulator with 12.0V output as the second stage.
> 
> --
> With best regards,
> Pavel Shatov
> 
> 
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