[Cryptech Tech] Novena dev-bridge board status

Jacob jacob at edamaker.com
Thu Jul 9 13:09:46 UTC 2015


On 7/9/2015 4:08 PM, Jacob wrote:
> On 7/9/2015 3:19 PM, Fredrik Thulin wrote:
>
>>
>> The 5V rail is not exactly 5V any more. The schottky diode D2 and the
>> inductor
>> L2 (I put my finger up in the air and mounted a 47 uH there) causes a
>> voltage
>> drop of 0.8 volts. The noisy diode still gets 10.6 volts which seems
>> to be
>> enough. There are numerous ways to improve the safety margin for future
>> revisions

  I can't find D2 or L2 in the schematic nor in the layout (from 23rd of
  June). Is there an updated schematic? Please advise.

  Jacob






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