Integrated spectrum analyzer circuits and methods for...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Analysis of complex waves

Reexamination Certificate

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C324S076230

Reexamination Certificate

active

07116092

ABSTRACT:
Spectrum analyzer circuits and methods are provided which implement “zero-IF” (direct conversion) or “near-zero IF” (or very low IF) architectures that enable implementation of integrated (on-chip) spectrum analyzers for measuring the frequency spectrum of internal chip signals. An integrated spectrum analyzer circuit, which includes a zero IF or near-zero IF framework, enables a low-power compact design with sufficient resolution bandwidth for on-chip implementation and diagnostics of internal chip signals.

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