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ABSTRACT
This report describes various methods of interfacing different logic levels. The focus is dccoupling
between the following differential signaling: LVPECL (low-voltage positivereferenced
emitter coupled logic), LVDS (low-voltage differential signals), HSTL (highspeed
transceiver logic), and CML (current-mode logic). The report discusses sixteen
various interface cases between the aforementioned differential signaling levels.
Contents
1 AC-Coupling.................................................................................................................................2
1.1 LVPECL.................................................................................................................................3
1.2 LVDS ...................................................................................................................................7
1.3 CML .................................................................................................................................11
1.4 HSTL .................................................................................................................................13
2 References .................................................................................................................................15 |
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