Transmission circuit and related method

Electronic digital logic circuitry – Interface – Current driving

Reexamination Certificate

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Details

C326S082000, C326S086000, C327S108000

Reexamination Certificate

active

07825691

ABSTRACT:
A transmission circuit and related method are disclosed. A transmitter in the transmission circuit has CMOS transistors as driving units for responding an input signal to drive an output signal at an output node, and each driving unit has a corresponding charge unit formed by a capacitor-connected MOS of a same type as that of the corresponding driving unit. Each charge unit is controlled by an auxiliary signal inverse to the input signal. When a level transition occurs in the input signal, the charge unit can compensate charge injection and clock feed-through caused by the driving unit at the output node, and form peaks for pre-emphasis. In this way, a better transmission property can be realized by using a simpler and low-power circuit design.

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