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Create a table of specifications #50

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jbemenheiser opened this issue Feb 10, 2017 · 1 comment
Open

Create a table of specifications #50

jbemenheiser opened this issue Feb 10, 2017 · 1 comment
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@jbemenheiser
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A full blown datasheet is not necessary at this point, but a single table to reference for the standard operating parameters of the board would be helpful.

@kb1lqc
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kb1lqc commented Mar 5, 2017

I just took some quick measurements with the current firmware master V0.1.2-alpha. I plan on taking much more strenuous voltage/current/power measurements but I do not have the time right now.

It is important to remember absolutely zero effort has been put into power saving with firmware configuration!

No GPS Receive Steady State

Vin = 9.00V
Iin = 0.0113A
Pin = 0.102W

GPS Receive Steady State (Locked)

Vin = 9.00V
Iin = 0.0209A
Pin = 0.188W

No observable difference was seen from GPS locked to unlocked so I won't bother documenting it right now. These measurements do not include TX pulses. We will have to specifically test for TX power later. I did not account for wire losses but they should be extremely small at these currents.

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