Author： Novak Franc Santo Zarnik Marina Kač Uroš
Publisher： Taylor & Francis Ltd
ISSN： 1362-3060
Source： International Journal of Electronics, Vol.89, Iss.11, 2003-11, pp. : 811-820
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Abstract
An oscillation based test method is a simple and in some cases quite efficient method for producing a go-no go test. In this approach, the circuit is transformed into an oscillator during the test mode and the frequency of oscillation is measured and compared to a reference value obtained on a known good circuit operating in the same conditions. The main drawback is that only some parts of a complex analogue system can be transformed into oscillators and hence be tested by the oscillation test approach. In this paper, we extend their application to stimulus generation of a built-in self-test. Oscillation test structures of switched-capacitor and active RC filters are considered. Simple ways of changing the oscillation frequency are discussed.
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