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Optimal frequency selection algorithm for ADC frequency domain dynamic tests

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6 Author(s)
Meng Sang Ong ; Sunway Campus, Monash Univ., Bandar Sunway, Malaysia ; Ye Chow Kuang ; Ooi, M.P. ; Demidenko, S.
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It is well-known that the proper selection of test frequency and instruments is imperative in successful evaluation of the Analog-to-Digital Converters (ADCs) dynamic performance parameters, such as the signal-to-noise ratio (SNR), signal-to-noise-and-distortion ratio (SINAD), total harmonic distortion (THD) and spurious-free dynamic range (SFDR). The dynamic testing of the ADCs is often performed by means of coherent sampling via frequency domain spectral analysis as it yields more accurate and repeatable test results. Nevertheless, setting up a coherent system requires stringent adherence to various constraints. This paper presents an automatic frequency selection algorithm for ADCs dynamic parameters evaluation.

Published in:

Instrumentation and Measurement Technology Conference (I2MTC), 2010 IEEE

Date of Conference:

3-6 May 2010