Multi-mode signal modification circuit with common mode bypass

Details Multi-mode signal modification circuit with common mode bypass Multi-mode signal modification circuit with common mode bypass

2004-12-21

2008-11-18

Zimmerman, Brian (Department: 2612)

Pulse or digital communications

Cable systems and components

C375S222000, C375S350000, C340S315000

Reexamination Certificate

active

07453944

ABSTRACT:
A signal modification circuit is provided for use with multi-mode formatted data in accordance with a common mode component and a high frequency component formatted in accordance with a differential mode. The circuit includes an active module that modifies the high frequency component to generate a modified and enhanced high frequency component at an output thereof. A bypass line interconnects the inputs and outputs of the active module to bypass the active module. A low pass filter is provided along the bypass line blocking passage of the high frequency component along the bypass line.

REFERENCES:
patent: 5659546 (1997-08-01), Elder
patent: 5933071 (1999-08-01), Brown
patent: 6420873 (2002-07-01), Guthrie
patent: 6628781 (2003-09-01), Grundstrom et al.
patent: 7058548 (2006-06-01), Pupalaikis et al.
patent: 2004/0071219 (2004-04-01), Vorenkamp et al.

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