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  1. FEST ECE 477 Fall 2011 TEAM 5 Gloria Budiman Alexander Kidarsa Christopher Sakalis Vishal Gala

  2. fEST • Far • End • Speakerphone • Test • System

  3. Introduction • Something that will test quality of speakerphone • Audience are technicians/engineers • Simple Design • Small product

  4. Layout Considerations • Spilt into two due to size limitations of Eagle • SD Card breakout at the edge of the PCB • RJ11 Jack and SD Card relocated. • Power Jack at the back of the PCB • Grouped Signals based on external peripherals for ease.

  5. Codec and other • Includes: • Codec (TLV320AIC23B) • 3.5mm Audio Jacks (Microphone & Speaker) • Data Access Arrangement device (CH1840) • Microphone Preamplifier (MAX4063) • Simple 6-pin RJ11 Jack • Potentiometer • 26-pins Header

  6. Codec and other

  7. MCU and Power • PCB Includes: • 5V and 3.3V Regulators (LT1086) • TI Microcontroller (TMS320F28035) • Transceiver (MAX3221) • Digital Isolator (ISO7221A) • 26-pins Header • SD Card Header (M11) • JTAG • Power Jack “Wall wart”

  8. MCU and Power

  9. Questions?