|Class D Switching Power Amplifiers and Power D/A conversion|
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|11th February 2011, 07:43 PM||#1|
Join Date: Nov 2010
car amp inverter trafo
i'm trying to build a car amplifier.
i have all of it figured out but i got stuck with two intefearance filters and the trafo.
here are the schematics for the inverter:
and here is the hole patterns that i have:
the trafo works @70kHz (or 75kHz, my calculations may not be correct!)
pumps it from 12 to +- 24 volts and it powers 4X75W rms @4 ohms or 2X250W rms @ 4 ohms.
my german isn't great so i think the core is 30X20X10mm that is S=1 sqr_cm
and they say i should use 0.5mm wire (in bundels) and i need 6,1meters of wire total
also it says "1+2e spannung" on the secondary.
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