Alternate Testing of RF Transceivers Using Optimized Test Stimulus for Accurate Prediction of System Specifications

  • Authors:
  • Soumendu Bhattacharya;Achintya Halder;Ganesh Srinivasan;Abhijit Chatterjee

  • Affiliations:
  • Georgia Institute of Technology, Atlanta 30332;Georgia Institute of Technology, Atlanta 30332;Georgia Institute of Technology, Atlanta 30332;Georgia Institute of Technology, Atlanta 30332

  • Venue:
  • Journal of Electronic Testing: Theory and Applications
  • Year:
  • 2005

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Abstract

In the recent past, with the emergence of System-on-Chip (SoC), focus has shifted towards testing system specifications rather than device or module specifications. While the problem of test accessibility for test stimulus application and response capture for such high-speed systems remains a challenge to the test engineers, new test strategies are needed which can address the problem in a practical manner. In this paper, the problem of testing the transmitter and the receiver subsystems of a RF transceiver for system level specification is addressed. Instead of using different conventional test stimuli for testing each of the system level specifications of RF subsystems, a specially crafted test stimulus is used for testing all the specifications from the response of the subsystem-under-test. A new simulation approach has also been developed to perform fast behavioral simulations in frequency domain for the system-under-test. In the test method, frequency domain test response spectra are captured and non-linear regression models are constructed to map the spectral measurements onto the specifications of interest. In the presented simulation results, the test stimuli have been validated using netlist level simulation of the subsystem-under-test and specifications have been predicted within an error of 卤3% of the actual value.