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Re: PCI based GSM cards


From: Tijmen Stam
Subject: Re: PCI based GSM cards
Date: Sat, 23 Nov 2002 00:40:47 +0100

Tijmen Stam wrote:

> In my case at least the latter applies, becaus netmonitor tells me I use

> In my case at least the latter applies, becaus netmonitor tells me I use 440
> mA (or is it mAH?) when calling (menu 23) and on the charger it sais

>>
>
>> In my case at least the latter applies, becaus netmonitor tells me I use
>> 440 mA (or is it mAH?) when calling (menu 23) and on the charger it sais
>
>> output is 335 mA, in which case the battery still has to supply 440 - 335
>> =
>
> 105 mA + any mA lost in the charging circuit and so calling with the
> original adaptor inserted will only cive you 4 times the original talking
> time (440/105 mA = 4).
>
> This probably can be solved by a stronger charger (I have a custom charger
> with a voltage selector wich can give 1A of output power... Though 3V
> wouldn't be enough, and I don't know 4.5V is too much... Probably not, but
> I wouldn't bet my phone on it... (I.e. I'm not going to break my phone
> unless I can see huge sparks and or poisonous smokes/fumes coming from
> it... But then I prefer trying a friends' ;-)  but... somewhere in the
> netmonitor it is saying that the phone is charged with "pulse current". Is
> this caused by the charger or by the phone charging cirquit?)

I tried in the city today, and there my phone used only 212 mA while calling
in an optimal place... thus counting 144 mA for phone operation and backlight,
I was only using 78 mA... So the backlight is actually using more power then
the transmission in that case. From this example  you can see that it can save
very much if you switch your backlight to a permanent off (or even better,
that nokia would employ a light sensor to see if backlight is nessecary)

(I'm Dutch, but I live in Belgium - 400 metres across the border, so I tap in
to a Dutch network, so I usually have two out of four bars in one part of my
room, and one bar in the back.)

> Owww, that was a 5 on the scale of off-topicness....
> Tijmen

Add 2 to that ;-)--
>From Tijmen Stam - "I believe in Linux" - address@hidden







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