FESTECE 477 Fall 2011

TEAM 5

Gloria Budiman

Alexander Kidarsa

Christopher Sakalis

Vishal Gala

FEST

Far

End

Speakerphone

Test

System

INTRODUCTION

Something that will test quality of speakerphone

Audience are technicians/engineers

Simple Design

Small product

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.

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

CODEC AND OTHER

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”

MCU AND POWER

QUESTIONS?