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Hardware Support Discussions related to using various hardware setups with SageTV products. Anything relating to capture cards, remotes, infrared receivers/transmitters, system compatibility or other hardware related problems or suggestions should be posted here.

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Old 07-19-2012, 07:32 PM
briands briands is offline
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Wall Wart alternative....
Thought I'd share this item I found at Parts Express...

150 Watt Switching Power Supply

Not a bad price on clearance. I hope to replace all of the wall warts around my server with this.

Anyone have link to a spec sheet or manual for it?
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Old 07-19-2012, 08:18 PM
wayner wayner is offline
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Couldn't you also use a PC power supply - doesn't it output the same three DC voltages?
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Old 07-19-2012, 08:40 PM
jbbtex jbbtex is offline
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Quote:
Originally Posted by wayner View Post
Couldn't you also use a PC power supply - doesn't it output the same three DC voltages?

Yes. And here is a link on how to do it with an ATX PS>

http://www.wikihow.com/Convert-a-Com...b-Power-Supply
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Old 07-20-2012, 04:58 AM
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SteveD SteveD is offline
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I tried using my sage server powersupply to power my HD PVR in an effort to have them shutdown when the server does. It immediately burned the hd pvr power input circuitry up. Had to buy a new one. It might work as a stand alone power supply.
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Old 07-20-2012, 07:14 AM
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routerunner routerunner is offline
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Sometimes I wonder whether the "War of currents", if won by Mr. Edison, would have lead us today...a better world without the need of any AC/DC converters? Or maybe not...
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Old 07-20-2012, 07:17 AM
Dargason Dargason is offline
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DC doesn't really work for power transmission.
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Old 07-20-2012, 07:26 AM
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routerunner routerunner is offline
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Quote:
Originally Posted by Dargason View Post
DC doesn't really work for power transmission.
of course, but I was more thinking for a home usage perspective, think about home solar system very popular today, they generate DC, but then you have to have an inverter to feed you home 110/240v power grid which in turns need to be DC converted back to run your equipments...I know that transformers have the highest energy efficiency level, but still the heat they dissipate is energy which is inevitably lost...well transformed (as the I thermodynamic law) into heat...and you need coolers to dissipate the heat (more energy)
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Old 07-20-2012, 07:59 AM
rrhorer rrhorer is offline
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Quote:
Originally Posted by Dargason View Post
DC doesn't really work for power transmission.
If you are talking HVDC, it most definitely does work (and may be the only solution) for special circumstances: (1) long distance transmission, approx. 300 miles or more, (2) under water cables, (3) interconnection of transmission grids where asynchronous interconnections are required such as interconnections between the eastern and western grids in the US and several other unique situations.
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Old 07-21-2012, 05:29 PM
thomaszoo thomaszoo is offline
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Originally Posted by rrhorer View Post
If you are talking HVDC, it most definitely does work (and may be the only solution) for special circumstances: (1) long distance transmission, approx. 300 miles or more, (2) under water cables, (3) interconnection of transmission grids where asynchronous interconnections are required such as interconnections between the eastern and western grids in the US and several other unique situations.
This is absolutely correct. The reason AC won out was it is easier to convert to high voltage for transmission purposes.
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