The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 1995
Filed:
Aug. 13, 1992
Ramon S Co, Milpitas, CA (US);
3 Com Corporation, Santa Clara, CA (US);
Abstract
An improved circuit topology for implementing level detection and data restoration operations on an input sinusoid. The differential high-frequency level detector and data restoration circuits of the present invention each include a differential input having a pair of circuit nodes for receiving a differential input signal. A slicing offset network is disposed to generate first and second differential signals in response to the differential input signal. The present invention further includes first and second comparators for respectively providing latch set and latch reset signals in response to the first and second offset differential signals. The data restoration circuit of the present invention further includes a latch operative to synthesize a recovered data waveform in accordance with pairs of set and reset signals. Similarly, the inventive level detector includes a latch which utilizes set and reset signals to generate a level detection signal.