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Old 25th June 2008, 05:39 AM   #11
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hi thanks for help.

here is the circuit. i followed same as it is. power supply is 29vdc.
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Old 26th June 2008, 03:10 AM   #12
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Default can i add more mosfests on aleph-3 to get 100w?

hi,

can i add more then three pair of output mosfets? as it is only 30w using three pair of mosfets. if i want to get 100w then i will require 7 more pair. also the power supply must be 0.5 X 20 =10 ampaire.


thank you.
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Old 26th June 2008, 09:00 PM   #13
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As you increase voltage and current, the power output will increase. It is necessary to add additional Mosfets to dissipate the increased power levels across more Mosfets as to not overload those output devices.

On your other question... When measuring the output voltage apply a sine wave of a known voltage and measure it's amplitude at the output. You will need a signal generator and a scope. A simple singal generator can be made pretty easily.

Perhaps other forum members here have a better idea, but that's how I've done it.

-David
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