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60W MOSFET Amplifier

2015-01-02 09:34  
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60W MOSFET Amplifier

 

60W MOSFET Amplifier

 


To celebrate the hundredth design posted to this website, and to fulfil the requests of many correspondents wanting an amplifier more powerful than the 25W MosFet, a 60 - 90W High Quality power amplifier design is presented here. Circuit topology is about the same of the above mentioned amplifier, but the extremely rugged IRFP240 and IRFP9240 MosFet devices are used as the output pair, and well renowned high voltage Motorola's transistors are employed in the preceding stages. The supply rails voltage was kept prudentially at the rather low value of and - 40V. For those wishing to experiment, the supply rails voltage could be raised to and - 50V maximum, allowing the amplifier to approach the 100W into 8 Ohm target.


60W MOSFET Amplifier







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