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It is a classd switching high efficiency. 5w audio amplifier circuit based bd139/bd140 the following is diagram of which built using power transistor bd139 and bd140 as. What is class d power amplifier, feedback amplifiers, electronic devices & circuits.
500w amplifier circuit with pcb layoutdiy class d using tl494 ic. An explanation of how class d amplifiers work, and to build your own 2x15w stereo amplifier. This video is about the structure and working of class d amplifier.
Copyright disclaimer under section 107 of the copyri. A beautiful simulation (animation) power amplifier circuit has been ex.