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Frequency / Power ...

F5BJR

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Frequency / Power ...
« on: July 29, 2011, 09:26:25 pm »
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Hi , just with a little humour ...

For the power supplies the capacity are often fantaisists as exacltly some 10 cm in diameter speakers can transmit 500 watts
Watts are American Watts ( Peak to Peak : destroyed just before you have the fire in the house )

I have found many power Kilowatts Amplfiers with 2 Ampères line fuse ( 220 * 2 = 440 Watts  / safety marge / efficeiency finally max power is 100 watts )

Or exactly as a CPU run to 4GHz that is only a Marketing Frequency !!

That is an old American history by INTEL that alr long time said that they worked a 4.77 MHz for 8080 CPU so that it was not faster than a 6800 to 1Mhz Motorola ( base clock is not instruction time )  

Then they invented speed curious multipliers  

They are now talking about a GigaHertz frequencies is then that the impossible
 
They speak of bandwidth but if they are 64 or 128 / 256 bits, they multiply the base frequency by the number of bits in width, in reality the clock frequencies are at the most in the range of 150 MHz these days , en réality the bandwith is compared with one bit memory !!

Look at the timings in the datasheet of the component manufacturers and you'll be surprised ...

Pierre



« Last Edit: July 29, 2011, 09:36:07 pm by F5BJR »
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Dark Mantis

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Re: Frequency / Power ...
« Reply #1 on: July 29, 2011, 09:43:14 pm »
Hey you are going back to my day there Pierre with the 8080. I wonder how many people will even be able to remember that far back. Real power user stuff! ;)
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F5BJR

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Re: Frequency / Power ...
« Reply #2 on: July 29, 2011, 10:15:23 pm »
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I have always old developpement kits with 8085 and 6800 ( one card for each ) with a litte Debug EPROM  !!







If i have a little time , i look if run always ...

Pierre



GA-X58A-UD5 I7 930
6x2Go KINGSTON 9905403-084
ENERMAX Modu 82+
Sharkoon REBEL12
2*HD5770SingleSlot+PCI-HD4350
2xSENSY 26'
2xBOX 5HD HotPlug
3xBOX 34HD MaxinPower
2x AD4SR5HPMU Addonics 8x1ToWDGreen 
4x 1TO RAID10 ICH10+1 BACKUP OS
2 * RR622 HighPoint
Sata 88SX7042  
AverMedia H727