Methods and apparatus for improving large signal performance...

Details Methods and apparatus for improving large signal performance... Methods and apparatus for improving large signal performance...

2006-03-07

2006-03-07

Le, Don (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S121000

Reexamination Certificate

active

07009425

ABSTRACT:
A logic circuit employs a shunt peaked technique to enhance the switching speed of the circuit without an increase in power dissipation. A differential logic gate implements a digital circuit function. The shunt peaked logic circuit includes two resistive and two inductive elements. For each differential output line, a resistive element is coupled in series to an inductive element so as to couple the circuit power supply voltage to a differential output line. Under this configuration, the bandwidth of the logic circuit is increased without an increase in power consumption. The logic circuit may be implemented using CML or ECL logic. Techniques for improving large signal performance for active shunt-peaked circuits are also disclosed.

REFERENCES:
patent: 5043602 (1991-08-01), Flannagan
patent: 6366140 (2002-04-01), Warwar

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