Cos’e’ un lock-in? a che cosa serve? come costruirne uno?

A short description of the lock-in technique gives an idea of the working principle of these useful devices, that are widely used in weak signal detection, but rarely treated in introductory courses. Simple and cheap circuits, that may be easily assembled by the student are suggested, as a practical approach to this powerful technique.

Numero: Anno XXVII - n.4 - ottobre/dicembre 1994

Categoria articolo: Note di elettronica

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