Method and algorithm of high precision on-chip global...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage

Reexamination Certificate

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C324S202000

Reexamination Certificate

active

07915950

ABSTRACT:
Systems and methods for providing bias currents to multiple analog circuits are disclosed. An integrated circuit comprises a calibration circuit which compares a high tolerance external component to a plurality of internal components manufactured to span the variability of the process, voltage and temperature. The best fitting internal component is communicated to bias circuits which can select an internal component from a local plurality of internal components with matching desired characteristics. In this manner, analog circuits can be locally biased with the tolerance usually associated with a high tolerance external reference component, without the necessity for a local external reference component.

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patent: 6940294 (2005-09-01), Eberlein
patent: 6975160 (2005-12-01), Garrett et al.
patent: 7154325 (2006-12-01), La Rosa

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