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Melano Carlo Lorenzo Protti

Vanni Poletto

Michelangelo Mazzucco

A circuit extends the output voltage range of an integrator circuit wherein the input signal is used to produce an output signal, and the voltage of the output signal develops monotonically within a predetermined range of possible values. The integrator circuit is driven within an integration time period such that each time the signal at its output reaches a limit of the range of values, the integrator circuit starts a subsequent integration stage of the input signal in which the output signal develops again within the above-mentioned range. This takes place by resetting the integrator circuit or by a reversal of the characteristic slope of the output signal. This is combined with storing the number of occasions on which these interventions have occurred as determined by a scounter. This enables the actual voltage value of the signal resulting from the integration to be calculated by a relatively straightforward mathematical operation from the reading of the counter, and from the signal currently present at the output of the integrator at the end of the integration period.

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Pavia, Italy

Melano Carlo Lorenzo Protti