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A parametric test method for analog components in integrated mixed-signal circuits

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3 Author(s)
Pronath, M. ; Inst. of Electron. Design Autom., Tech. Univ. of Munich, Germany ; Gloeckel, V. ; Graeb, H.

In this paper, we present a novel approach to use test stimuli generated by digital components of a mixed-signal circuit for testing its analog components. A wavelet transform is applied to the response signal of the device under test (DUT). We show, that in comparison to Fourier transform or no transform at all, particular properties of this transformation are advantageous for mixed-signal test and especially built-in self test. We introduce a new method for test measurement selection based on a non-deterministic parametric fault model for analog circuits. This approach allows for noise and measurement error in testing. We show, how test quality can be optimized in the presented fault model. Our test methodology is demonstrated on an analog CMOS bandpass filter.

Published in:

Computer Aided Design, 2000. ICCAD-2000. IEEE/ACM International Conference on

Date of Conference:

5-9 Nov. 2000