Using active circuits to compensate for resistance...

Details Using active circuits to compensate for resistance... Using active circuits to compensate for resistance...

2006-12-26

2006-12-26

Ton, My-Trang Nu (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S334000

Reexamination Certificate

active

07154325

ABSTRACT:
Variations in the actual resistance of a target poly resistor in a semiconductor integrated circuit can be compensated for by using an active circuit that provides a negative resistance in parallel with the target resistor. This produces a tuned resistance that is closer to a desired resistance than is the actual resistance of the target resistor.

REFERENCES:
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patent: 5629655 (1997-05-01), Dent
patent: 6603347 (2003-08-01), Watson
patent: 6670859 (2003-12-01), Sanduleanu
patent: 6759729 (2004-07-01), Racanelli et al.
patent: 2004/0263174 (2004-12-01), Gray et al.
Marijan Kumric et al., “Digitally Tuneable On-Chip Line Termination Resistor For 2.5Gbits/s LVDS Receiver in 0.25μ Standard CMOS Technology”.

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