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designing of power amplifier driven by a preamplifier with darlington transistors

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sandy23

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am building the above for my school project and i have no idea of where to start i.e designing of power amplifier driven by a preamplifier with normal complementarty darlington power transistors to test on the darlingtons transistors sensitivity gain bandwidth input impedance.....
 
You don't use darlingtons in a preamp, there would be no point - you're wanting voltage gain more than current gain.

Where you use darlingtons is for the output transistors, simply to replace the descrete darlingtons (or other type) used.
 
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