目录
1
引言 ....................................................................................................................................................................1
2 PECL 接口 .........................................................................................................................................................1
2.1 PECL 输出结构..........................................................................................................................................1
2.2 PECL 输入结构..........................................................................................................................................2
3 CML 接口...........................................................................................................................................................3
3.1 CML 输出结构...........................................................................................................................................3
3.2 CML 输入结构...........................................................................................................................................3
4 LVDS 接口.........................................................................................................................................................4
4.1 LVDS 输出结构.........................................................................................................................................4
4.2 LVDS 输入结构.........................................................................................................................................4
5 接口互连 ............................................................................................................................................................6
5.1 CML 到 CML 的连接 ................................................................................................................................6
5.2 PECL 到 PECL 的连接 ..............................................................................................................................6
5.2.1 直流耦合：驱动 50Ω 至(V
CC
-2V)的戴维宁等效电路 ....................................................................6
5.2.2 交流耦合 ............................................................................................................................................7
5.3 LVDS 与 LVDS 的连接.............................................................................................................................8
6 LVDS、PECL、CML 间的互连 ......................................................................................................................8
6.1 LVPECL 到 CML 的连接..........................................................................................................................8
6.1.1 交流耦合 ............................................................................................................................................8
6.1.2 直流耦合 ............................................................................................................................................9
6.2 CML 到 LVPECL 的连接........................................................................................................................11
6.3 LVPECL 到 LVDS 的连接 ......................................................................................................................11
6.3.1 直流耦合 ..........................................................................................................................................11
6.3.2 交流耦合 ..........................................................................................................................................11
6.4 LVDS 到 LVPECL 的连接 ......................................................................................................................11
6.4.1 直流耦合 ..........................................................................................................................................11
6.4.2 交流耦合 ..........................................................................................................................................13
6.5 CML 和 LVDS 间互连 ............................................................................................................................14
应用笔记 HFAN-1.0 (Rev. 1; 4/08) Maxim Integrated Products
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