AC-coupled burst mode receiver with wide dynamic range

Details AC-coupled burst mode receiver with wide dynamic range AC-coupled burst mode receiver with wide dynamic range

2005-11-08

2005-11-08

Chan, Jason (Department: 2633)

Optical communications

Receiver

C398S203000, C398S204000

Reexamination Certificate

active

06963696

ABSTRACT:
An apparatus and method is disclosed for receiving packets having a wide dynamic range of power levels over a shared medium in a communications system. The receiver responds to a packet with a different power level within an inter-packet time and maintains a constant logic level for a long string of ‘ones’ or ‘zeros’ within a packet. An AC-coupled pre-amplifier provides a voltage signal having a slowly decaying power level for a long string of ‘ones’ or ‘zeros’ within the packet. A differential amplifier with hysteresis, ignores the slowly decaying power level of a long string of ‘ones’ or ‘zeros’ within the packet and does not overwrite the power level of the long string until it detects the end of the string.

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