Discharging envelope detector

Details Discharging envelope detector Discharging envelope detector

2007-11-27

2007-11-27

Tieu, Binh K. (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

C379S387010, C327S095000

Reexamination Certificate

active

09516337

ABSTRACT:
A receiver to detect pulses on a home phone wiring network using envelope detection. The receiver comprises an integrating capacitor charged by a first current source responsive to a differential signal propagated on the wiring network, and discharged by a FET in combination with a second current source. The combination of the FET and the second current source allows the capacitor to be quickly discharged in a smooth fashion. An application of this receiver is for a PHY according to the Home Phoneline Networking Alliance.

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patent: 6348816 (2002-02-01), Havens et al.
patent: 6600344 (2003-07-01), Newman et al.

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