Abstract

Commonly used timing measjrement tools are often limited to probing a circuit running at one single frequency [1,2]. In reality, multiple frequencies may be present on chip, and that can lead to timing problems which render the chip inoperable within certain frequency ranges. We will describe a simple modification to a Picosecond Imaging Circuit Analysis (PICA [3]) instrumentation whih permits the simultaneous measurement of timing in multiple frequency domains.

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