
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.