73M1903 MODEM ANALOG FRONT END DEMO BOARD User’s Manual
Revision 1.2 5 of 32
© Copyright 2005 TERIDIAN Semiconductor Corporation
List of Figures
Figure 1-1: 73M1903 Demo Board................................................................................................................................. 8
Figure 1-2: TERIDIAN 73M1903 Demo Board connected to a Host System ................................................................. 8
Figure 1-3: Block diagram for the TERIDIAN 73M1903 Demo Board ........................................................................... 9
Figure 2-1: 73M1903 MAFE Interface signals.............................................................................................................. 11
Figure 2-2: MAFE Timing diagram ............................................................................................................................... 12
Figure 2-3: Serial Port Timing ...................................................................................................................................... 13
Figure 3-1: 73M1903 Demo board connectors and Jumper locations.......................................................................... 17
Figure 3-2: PCB Dimensions........................................................................................................................................ 20
Figure 4-1: Schematic Diagram of US low speed DAA ................................................................................................ 22
Figure 4-2: Schematic Diagram of US high speed DAA............................................................................................... 23
Figure 4-3: Schematic diagram of CTR21 DAA ........................................................................................................... 24
Figure 4-4:TERIDIAN 73M1903 DEMO BOARD: Silk Screen Top .............................................................................. 28
Figure 4-5: TERIDIAN 73M1903 DEMO BOARD: Top Signal Layer............................................................................ 28
Figure 4-6: TERIDIAN 73M1903 DEMO BOARD: Bottom Signal Layer....................................................................... 29
Figure 4-7: TERIDIAN 73M1903 DEMO BOARD: Supply Plane.................................................................................. 29
Figure 4-8: TERIDIAN 73M1903 DEMO BOARD: Ground Plane................................................................................. 30
List of Tables
Table 2-1: 73M1903 Demo Board jumpers and connectors......................................................................................... 13
Table 3-1: 73M1903 Demo Board Connectors............................................................................................................. 18
Table 3-2: 73M1903 Demo Board Jumpers ................................................................................................................. 18
Table 3-3: 73M1903 Demo Board jumper settings....................................................................................................... 19
Table 3-4: JP2 Pin assignments .................................................................................................................................. 19
Table 4-1: Typical sample rate setting examples ......................................................................................................... 21
Table 4-2:US Low Speed Bill of Materials.................................................................................................................... 25
Table 4-3: US high speed Bill of Materials ................................................................................................................... 26
Table 4-4: CTR 21 Bill of Materials .............................................................................................................................. 27
