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参数资料
| 型号： | 73M2901CE-EVM-WW |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/30页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO 73M2901CE WORLDWIDE |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | * |
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UM_2901CE_026
73M2901CE Demo Board User Manual
1 Introduction
The Teridian Semiconductor Corporation 73M2901CE Demo Board is a platform for evaluating the
73M2901CE single-chip modem ICs. It incorporates the 73M2901CE integrated circuit, and it has been
designed to operate with a PC using the serial COM1 or COM2 RS-232 level ports and standard
communications software packages such as HyperTerminal.
This document describes the two available demo board configurations, the 73M2901CE-EVM-600 and
the 73M2901CE-EVM-WW.
The 73M2901CE EVM-600 is a board fitted with 600 ? resistive termination and is suitable for use in USA
and Japan. This board has been designed to comply with U.S. Part 68, USA, and AS/ACIF S002:2001.
The 73M2901CE EVM-WW has selectable terminations, which makes it suitable for use in many different
countries worldwide. The board has been designed to comply with FCC Part 68, ETSI TS 203, JATE and
AS/ACIF S002:2001.
1.1
Getting Started
? Use the supplied motherboard and 5 V power supply.
? The motherboard includes a 3.3 V regulator to power the 73M2901CE Demo Board.
? The motherboard also includes RS-232 level shifters and DCE connector to connect the demo board
to a PC or other terminal device.
? Use a standard PC terminal emulation program to communicate with the 73M2901CE Demo Board.
See the 73M2901CE AT Command User Guide for a complete list of commands.
? Type “AT” on the terminal at any speed from 1200 bps to 9.6 Kbps to verify communications with the
modem are working correctly. The 73M2901CE modem will return “OK” if communication is properly
established.
? Connect the RJ-11 connector to a telephone network emulator or private branch exchange (BPX).
The demo board, although meeting all the required telecom standards, is not a certified device.
Therefore the 73M2901CE Demo Board should not be connected to the outside telephone network.
It is not possible to connect two 73M2901CE demo boards back-to-back to test their operation. A DC
loop current is needed to activate the network-side circuitry. A simple current-mirror current-source circuit
can be used to provide the required DC loop current. A simple circuit is shown in Figure 13. This circuit
supplies two independent sources, one for each modem. The loop current provided is approximately 20
mA to each modem. This circuit does not provide network impairments, call progress signals, or
attenuation, which are also typically used for modem testing.
Rev. 1.5
5
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相关代理商/技术参数 |
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| 73M2901CE-IGV/F | 功能描述:电信线路管理 IC V.22bis Single-Chip Modem RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M2901CE-IGVR/F | 功能描述:电信线路管理 IC V.22bis Single-Chip Modem RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M2901CE-IM/F | 功能描述:电信线路管理 IC V.22bis Single-Chip Modem RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M2901CE-IM/F1 | 功能描述:电信线路管理 IC RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| 73M2901CE-IMR/F | 功能描述:电信线路管理 IC V.22bis Single-Chip Modem RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
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