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Optimal current supplied by R27/28
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NicMac  
#1 Posted : Friday, May 27, 2011 2:59:40 PM(UTC)
NicMac

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Hi Russ and Brian,
what is the optimal current provided by R27/28 in Legato III?
I know that you might rightfully reply: "just use default resistor value".Shame on you
Nevertheless, do you happen to know if there is an optimal current (or current range)?
Cheers,
Nic
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Russ White  
#2 Posted : Friday, May 27, 2011 4:54:08 PM(UTC)
Russ White

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Hi Nic,

I designed it to be optimal. Do you know how to measure current through a resistor? :)

The current through them in the default configuration is in the ideal range.
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NicMac  
#3 Posted : Saturday, May 28, 2011 4:35:24 AM(UTC)
NicMac

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You are right - why on earth would you have put in a sub-optimal resistor value.......
Assuming the resistor sees the hole rail voltage (12-15V) the current would be 2.5-3.2 mA.
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