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June 23rd, 2008 01:06 PM #1
Hi guys.
Any of you Smartbro users know how much electric juice the power supply and the antennae eats? Not a trick question - I'm asking, he he. I'm trying to figure out something.
Another Q for smartbro users: did you guys notice an increase in your electric bill after you guys installed Smartbro?
Hope you guys can help me out. You're help would allow me to finalize my estimates/computations for this little side-project I'm doing.
TIA
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June 23rd, 2008 02:33 PM #2
think you can compute it by the info on the power adaptor it uses.
as for our electric bill... did not notice a significant increase. but i also turn off the antenna when i go to sleep or when i leave the house
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June 23rd, 2008 07:56 PM #3
the motorola power supply consumes 0.5 amp. you guys do the math.
been running the power supply 24/7 for more than two years plugged on a 110v transformer to minimize heat. I have no idea if it makes significant consumption though. but imo, maliit lang siguro.
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June 23rd, 2008 10:06 PM #4
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June 25th, 2008 08:26 AM #5
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June 25th, 2008 12:46 PM #6
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June 25th, 2008 09:45 PM #7
The power supply specs an output of 24VDC at 0.417A. This means that the power output is approx 10W. A typical handheld VHF transceiver outputs 5W.
nicolodeon, bro, would you be so kind to share with us what you are planning to do here?
6303:fetch:
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Tsikot Member Rank 4
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June 26th, 2008 03:17 AM #8Konti man ang consumo, sa long run malaki din iyan ... it's not just the cost, it's the environment as well.
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June 26th, 2008 04:49 AM #9
Let me clarify this bit, if you may.
The 5W output of a typical handheld VHF transceiver refers to the RF output at its antenna terminal. On it's own, it's not indicative of the electrical power consumed by the whole device (the transceiver).
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The ratings on the power supply are just the maximum ratings of the juice it can produce. If you measure the output of the power supply, you don't include the losses within it which is still part of the total power consumption of the system.
I think what nicolodeon wants to know is the total power consumed by the SmartBro system. That would need the ratings measured at the supply point of the system - which is the AC input of the power supply.
But he has to consider that the system consumes the most power only when it's transmitting and receiving data packets at the same time. Transmitting consumes more power than when receiving, so he might want to know the ratio between TX+RX, TX-only, RX-only and idle modes.
Me, I'd rather consider the power supply under full load at 100% duty cycle.
Ano ba kasi yang project? And how much precision do you want?Last edited by StraightSix; June 26th, 2008 at 04:56 AM.
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June 26th, 2008 07:37 AM #10
Hehe, baka nageexperiment si nicolodeon kung increase nya yung power baka bumilis din transfer rate :bwahaha:
samin doc sinasabihan kami "mag nilay nilay" - be quiet. Bawal magsaya (common sense) and music or...
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