Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2006-07-05
2008-08-26
Barnie, Rexford (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S083000, C326S087000
Reexamination Certificate
active
07417460
ABSTRACT:
A multi-standard transmitter includes a differential stage that includes a current generator transistor; first and second transistors connected between a first node and the generator transistor and having respective control terminals connected to a first input terminal, the first and second transistors being interconnected at a first output terminal; third and fourth transistors connected between the first node and the generator transistor and having respective control terminals connected to a second input terminal, the third and fourth transistors being interconnected at a second output terminal; and first and second resistances connected between the first and second output terminals and interconnected at a second node. The transmitter includes a selective enabling circuit connected to the first and second nodes, and to a third node corresponding to a control terminal of the generator transistor. The selective enabling circuit supplies the nodes with regulation signals that modify an operating mode of the transmitter.
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De Laurentiis Pierpaolo
Wang Hua
Barnie Rexford
Iannucci Robert
Jorgenson Lisa K.
Seed IP Law Group PLLC
STMicroelectronics S.r.l.
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