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FEST. ECE 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. - PowerPoint PPT Presentation
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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?
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