Variable attenuation of broadband differential signals using...

Details Variable attenuation of broadband differential signals using... Variable attenuation of broadband differential signals using...

2006-04-19

2009-06-09

Phu, Sanh D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S136000, C455S169200, C455S180400, C333S08100R, C333S254000

Reexamination Certificate

active

07546101

ABSTRACT:
Disclosed herein is a system for the variable attenuation of broadband differential signals. An exemplary system of variable attenuation of broadband differential signals includes attenuation devices arranged such that an attenuation device on the positive side of the differential signal has a corresponding attenuation device on the negative side of the differential signal with both of the corresponding attenuation devices on the same semiconductor die.

REFERENCES:
patent: 6667669 (2003-12-01), Goyette et al.
patent: 6973288 (2005-12-01), Davis et al.
patent: 2005/0030121 (2005-02-01), Gilbert
patent: 2006/0226907 (2006-10-01), Gilbert
patent: 1 351 382 (2003-10-01), None

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