CVSD CODEC Evaluation Kit

2

EV6090 Evaluation Kit

2001 MX-COM, Inc.

www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054

Doc. # 20480218.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

CONTENTS

Section

Page

1 Block Diagrams..............................................................................................................3

2 Preliminary Information.................................................................................................5

2.1 Laboratory Equipment ..........................................................................................................5

2.2 Handling Precautions ...........................................................................................................5

2.2.1

Static Protection ......................................................................................................................5

2.2.2

Contents - Unpacking..............................................................................................................5

3 Operation........................................................................................................................5

3.1 Set-Up ..................................................................................................................................5

3.1.1

Default Jumper Configuration .................................................................................................5

3.1.2

Connect external regulated power supply...............................................................................6

3.1.3

Set Mode of Operation ............................................................................................................6

3.1.4

Quick Test ...............................................................................................................................6

3.1.5

Further experimentation ..........................................................................................................6

3.2 Adjustments .........................................................................................................................6

3.3 Operation .............................................................................................................................6

3.3.1

E3 Audio Input routing (to the CVSD encoder) .......................................................................6

3.3.2

E4 Audio output routing (from the CVSD decoder).................................................................6

3.3.3

S1 and S2 Switch Settings ......................................................................................................7

4 Schematic Diagrams and PCB Layout .........................................................................9

5 Specifications...............................................................................................................11

MX-COM, Inc. reserves the right to change specifications at any time and without notice.