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Old 25th November 2008, 10:56 AM   #1
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Default Mosfet Amp help

Hi All,

Can anyone help me to use this N-Ch-Mosamp schematic in car amp, I dont know does it work ? Or any modification in the schematic than suggest.

Regards
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Old 25th November 2008, 11:06 AM   #2
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Location: Launceston, TAS, Australia
Hi

Where is the schematic?
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Old 25th November 2008, 11:13 AM   #3
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HI Anthony

Any help ?
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Old 25th November 2008, 11:44 AM   #4
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Location: Launceston, TAS, Australia
Hi Again

Your schematic looks like a Class-D amplifier if I am not mistaken.
The only thing you really need is a suitable Switchmode power supply
www.coldamp.com have suitable power supplies on their site.

However this amp of yours requires 3 supplies.
Try linking the 79 volt supply via a power diode to the 100 v rail and run the whole lot from a +-80 volt rail.
This only leaves the +15 volt logic supply to worry about.
As I mentioned above one of coldamps SMPSs would do the trick.
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Old 29th November 2008, 06:52 AM   #5
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Hi Anthony

Thanx for reply but SMPS is not worry if amps schematics is properly working
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Old 6th December 2008, 10:26 AM   #6
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HI,

Change the think of amp and finely this design is ok its my thouth because this tested by my friend and now i will design pcb for it please send you all veluable suggetions

Best Regards
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