An audio power amplifier amplifies low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is strong enough for driving loudspeakers or headphones. The audio amplifier requires a DC voltage of 12Vfrom an AC input voltage of ±6V. B2.1 Identify the circuits for the above requirement. B2.2 Explain the working of the circuits. B2.3 Tabulate the specifications of components used in the circuit with necessary assumptions
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