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29th July 2009, 07:31 PM
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#11 |
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Audio Engineer
diyAudio Member
Join Date: Jul 2003
Location: Cambridge UK
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Another thought. If you drop the requirement to do it in a single stage you could easly make something using two cheap dip parts. Such as a LM386 0.5W amp chip and almost any cheap opamp.
This would be more reprisentative of a real world situation where you would normally use an opamp as a preamp stage and use a seperate power amplifer. If you are goign to do a little PCB the difference in complexity to solder two dips agains one is almost nothing. Could work out cheaper than making a SMT carrier and then a seperate PCB for the circuit. Regards, Andrew |
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