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Design of a Class-D Mid-Range Amplifier


- Design a Class D mid-range amplifier to produce audio signals at mid-range frequencies using the digital audio MOSFETs and digital gate driver ICs.

- Use 3-level PWM as the modulation scheme.

- The output power should be an appropriate industry standard value to drive a 8 ohm driver.

- Design a power supply to drive the amplifier.

- Assemble design on circuit board.

- Test the system.


- Filter the audio signal to remove bass and "top-end" frequency signals.

- Amplify the mid-range frequency signal using a voltage amplifier.

- Use the IRF6665 Digital Audio MOSFET and IRS20124 Digital Gate Driver or similar

components to design a Class D amplifier to amplify mid-range frequency signals.

- A 3-level PWM is to be used as the modulation scheme.

- Design a power supply to deliver the required power to the system.

- Design must be tested for power output, gain, frequency response, stability and harmonic distortion.

- Designed must be mounted on a PCB

The circuit design and PCB layout must be provided along with any calculations for justification of components.

Let me know if it is possible for you to do a methodology with discussion, results and conclusion.

Skills: Circuit Design, Electrical Engineering, Electronics, Engineering, Verilog / VHDL

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