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ABSTRACT
This report provides a quick reference of ac-coupling techniques for interfacing between
different logic levels. The four differential signaling levels found in this report are lowvoltage
positive-referenced emitter coupled logic (LVPECL), low-voltage differential
signals (LVDS), high-speed transceiver logic (HSTL), and current-mode logic (CML).
From these four differential signaling levels, 16 interface cases are provided.
Contents
1 AC-Coupling ...................................................................................................................................3
1.1 LVPECL....................................................................................................................................5
1.2 LVDS ......................................................................................................................................8
1.3 CML ....................................................................................................................................12
1.4 HSTL ....................................................................................................................................15
2 References....................................................................................................................................20 |
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