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When conducting a RFIC performance testing, a sensor for measuring ambient EM signals was used to determine whether interference was the cause of the reported testing error. Upon detecting a testing error, a de-embedding procedure was actuated to recover the testing error and to improve yield-loss. For theoretical validation, Monte-Carlo procedure was applied in a “Source-Path-Victim” model to simulate...
This paper presents a novel method for detecting test errors in radio frequency integrated circuit (RFIC) autotest-equipment (ATE) caused by electromagnetic interferences. A sensor for measuring ambient electromagnetic (EM) signals was used to determine whether interference was the cause of the reported testing error. Upon detecting a testing error, a retest procedure was actuated to recover the testing...
This work proposes a novel ATE test approach to decrease RF testing yield loss. Background noise of the system-under-test is surveyed based on a prototype load-board equipped with a PCB antenna system to analyze the correlation between the test data and background noise in order to identify the root causes of yield loss. Experimental results of RF testing in the EMI environment correlate well with...
This paper first proposes a cost-effect test-bench design concept in which an embedded antenna array composed of 4 multi-band, dual-polarized antennas is utilized to measure the environment electromagnetic noises. Instead of the un- user-friendly metal-shielding environment or expensive chamber room solutions, the proposed ATE can be used to clarify the root-cause and to improve the low yields issue...
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