An analog multi-tone signal generator for built-in-self- test applications

Authors:
A. K. Lu;G. W. Roberts
Affiliations:
Department of Electrical Engineering, McGill University, Montreal, PQ, Canada;Department of Electrical Engineering, McGill University, Montreal, PQ, Canada
Venue:
ITC'94 Proceedings of the 1994 international conference on Test
Year:
1994

Citing 3
Cited 0

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Abstract

This paper presents the design of an analog oscillator capable of generating multi-tone signals by encoding the information an an oversampled delta-sigma modulated bit-stream. With the exception of an imprecise lowpass filter, the proposed design is completely digital allowing accurate control of the amplitude, frequency, and phase of all sinusoids making up the multi-tone signal. Simulations and FPGA experiments performed to date have verified the performance of the proposed design which is envisioned to open new directions an the mixed analog/dagital testing field.