这是传输数据高达25Gb/s的主要调制方案,也是传输数字数据的最简单方式。25Gb/s, and is the simplest way to transmit digital data. 下图显示了一个NRZ波形的示例,以及NRZ数据的“眼图”。波形, along with an ‘eye diagram’ for NRZ data. 眼图只是查看调制方案的一种方式,每个符号都叠加在一起。 PAM-4...
as close as possible to their target values. The impedance of the TXD and RXD pairs is 100...
CSFP 光模块在传统SFP 模块外型尺寸上，集成了两个BIDI SFP 的模块。该模块由两个LC MINI BOSA 来实现原来同一外型尺寸下两个通道的双向收发。成对设计时发射中心波长采用1310nm DFB 激光器、接收采用中心波长为1490nm PIN 管。同样也可以设计发射中心波长1490nm DFB 激光器、接收采用中心波长为1310nm PIN 管。传...
TXD RXD T X D Topview(顶视图) R X D R1 R2 R3 R4 10uH L2 22uF C3 GND GND VCCT VCCR GND GND R13 R14 R12 R11 SD_OUT R9 R10 GND OUT+ OUT- IN- IN+ 协议转换IC PECL/LVPECL电平 PECL/LVPECL电平 100nF C4 100nF C5 100nF C6 100nF C7 GND R6 R5 R7 R8 VCCTX 参数R1=R3 R2=R4...
Rate Select LOS VEER VEER 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VEET TD- TD+ VEET VCCT VCCR VEER RD+ RD- VEER 引脚图：引脚排列 引脚说明 引脚 名称 功能描述 1 VEET 发射部分地 2 TXFAULT 发射部分失效 3 TXDIS 发射部分关断 4 MOD_DEF(2) SDA 串行数据信号 5 ...
RGMII接口相对于GMII接口,在TXD和RXD上总共减少8根数据线。 RGMII is a reduced pin count interface that can simplify design by reducing the interface pin count from the 25pins used in the GMII interface to 12. It can lower system cost compared to existing GMII or TBI interfaces by reducing the...
TXDIS MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) 速率选择 LOS VEER VEER VEER RD- RD + VEER VCCR VCCT 威特 TD + TD- 威特 发射地 变送器故障。 发送器禁用。 SDA串行数据信号 SCL串行时钟信号 模块内的接地。 无需连接 描述 丢失的信号指示。逻辑0表示正常运行。
A software control identical to TXD is available (TXDC, A2h Lower Memory, Register 6Eh). A TXD pulse is internally extend- ed (tINITR1) to inhibit the latching of low alarms and warnings. The intended use is a direct connection to the MAX3710's DISABLE input if this is desired. When ...
2.488G SFP 40 T1550R1490 2.488Gbps SFP Bi-Directional Transceiver, 40km Reach 1550nm TX / 1490nm RX Features Dual data-rate of 2.488Gbps/2.125Gbps operation 1550nm DFB laser and PIN photodetector for 40km transmission Compliant with SFP MSA and SFF-8472 with duplex LC receptacle ...
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