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| 型号： | SI2400URT-EVB |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 77/94页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR SI2400 ISOMODEM |
| 标准包装： | 1 |
| 系列： | ISOmodem® |
| 主要目的： | 电信，调制解调器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | SI2400 |
| 主要属性： | 双路 RJ-11 连接至电话线路，音频连接器 |
| 次要属性： | RS-232，TTL 串行和 USB 接口 |
| 已供物品： | 板，调制解调器，电源 |
| 相关产品： | SI2400-BS-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC SI2400-FS-ND - IC ISOMODEM SYST-SIDE DAA 16SOIC 336-1093-ND - IC ISOMODEM SYSTEM-SIDE 16SOIC |
| 其它名称： | 336-1166 |
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Si2400
Rev. 1.3
79
DC Termination
The Si2400 has four programmable dc termination
modes which are selected with SF5[3:2] (DCT).
default dc termination mode and supports a transmit full
scale level of –1 dBm at TIP and RING. This mode
meets FCC requirements in addition to the requirements
of many other countries.
Figure 14. FCC Mode I/V Characteristics
current limiting while maintaining a transmit full scale
level of –1 dBm at TIP and RING. In this mode, the dc
termination will current limit before reaching 60 mA.
Figure 15. CTR21 Mode I/V Characteristics
voltage mode and supports a transmit full scale level of
–2.71 dBm. Higher transmit levels for DTMF dialing are
also supported. See "DTMF Dialing" on page 80. The
low voltage requirement is dictated by countries such as
Japan and Malaysia.
Figure 16. Japan Mode I/V Characteristics
the lowest line voltage mode supported on the Si2400,
with a transmit full scale level of –5 dBm. Higher
transmit levels for DTMF dialing are also supported.
See “DTMF Dialing”. This low voltage mode is offered
for situations that require very low line voltage
operation. It is important to note that this mode should
only be used when necessary, as the dynamic range will
be significantly reduced and thus the ISOmodem will
not be able to transmit or receive large signals without
clipping them.
Figure 17. Low Voltage Mode I/V
Characteristics
12
11
10
9
8
7
6
.01 .02 .03 .04 .05 .06 .07 .08 .09
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Loop Current (A )
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI2401 | 制造商:SILABS 制造商全称:SILABS 功能描述:V.22BIS ISOMODEM㈢ WITH LOW-COST DAA |
| SI2401-C-FS | 制造商:Silicon Laboratories Inc 功能描述: |
| SI2401DC-EVB | 功能描述:子卡和OEM板 SI2401 Daughter Card RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit |
| SI2401-FS | 功能描述:电信线路管理 IC 2400b/s System Side 3rd Gen DAA Tech 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 |
| Si2401FS08-EVB | 功能描述:网络开发工具 Si2401+Si3008 ISO modem Eval Board RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
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