[Cryptech Tech] Novena dev-bridge board status

[Fredrik Thulin]

On Thursday, July 09, 2015 04:09:46 PM Jacob wrote:
> 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.

See the rev01.pdf I sent on Wednesday, June 24, 2015 12:26:37 PM.

Sheet 2, top left.

/Fredrik