Jeff Gibson, Ade Ogunmefun, Barry Ward, Michael West

1
Personal Guitar Amplifier
Jeff Gibson, Ade Ogunmefun, Barry Ward, Michael
West
jmg019010_at_utdallas.edu, ade77_at_verizon.net,
bww021000_at_utdallas.edu, michaellwest_at_gmail.com
Department of Electrical Engineering Erik Jonsson
School of Engineering Computer
Science University of Texas at Dallas Richardson,
Texas 75083-0688, U.S.A.
Project Results
Project Goals

• Redesign previous semesters circuits
• Use active band filters
• Improve Signal to Noise Ratio
• Short circuit protection
• Increased output power
• Reduce power usage
• Design Sufficient Power Supply
• Design Audio Effects
• Build a Working Amplifier from Redesign

• SNR 58dB _at_ 1 kHz with 25mV input
• Estimated THD lt 0.03
• Maximum Output Power 150W
• Stable output to 4? Load
• 23.5 dB Gain for Audio Spectrum

Circuit Diagrams
Project Conclusions/Outcomes

• Pre-Amp and Power Amplifier Assembled
• Pre-Amp built on Perforated Board.
• Power Amp etched and assembled on Copper Clad
  Board
• Power Supply Purchased from Vendor
• Audio Effects and Power Supply Simulated
• Assembled Amplifiers performance rivals
  simulations