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EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

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Page 1: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

EE152 Final Project1kW Class "D" Amplifier

Ben StablerMax Praglin

Page 2: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Our Plan

● 1 kW / channel ● Control + Powerstage

Page 3: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Execution

Simulation

Schematic / Part Selection

Page 4: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Execution

PCB Design

Assembly & Testing

Page 5: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Live Demo

Brace yourselves for...

UNLIMITED* SOUND

*Limited by our power supply

Page 6: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Issues & Mitigation

● Filter○ Control Law

● Speed○ FPGA

● Gate Drivers○ Isolation

● Power Supply

Page 7: 1kW Class D Amplifier - Stanford Universityweb.stanford.edu/class/ee152/projects/f12/Max_Ben... · · 2014-09-16EE152 Final Project 1kW Class "D" Amplifier Ben Stabler Max Praglin

Questions?

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