How to Make Amplifier | নষ্ট এনার্জি লাইট দিয়ে অডিও এমপ্লিফায়ার তৈরি করুন

The Things I have Used :
1 - #BLD128D Transistor
2 - 1k Resistor
3 - 450 v 10uf capacitor

Not all amplifiers are the same and there is a clear distinction made between the way their output stages are configured and operate. The main operating characteristics of an ideal amplifier are linearity, signal gain, efficiency and power output but in real world amplifiers there is always a trade off between these different characteristics.

Generally, large signal or power amplifiers are used in the output stages of audio amplifier systems to drive a loudspeaker load. A typical loudspeaker has an impedance of between 4Ω and 8Ω, thus a power amplifier must be able to supply the high peak currents required to drive the low impedance speaker.



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