Basic interface circuits
In this appendix, we review the transfer functions of some basic electronic circuits, to facilitate the understanding of the interface circuits as used throughout the text. All circuits are built up with operational amplifiers. Circuits and associated transfer functions are given for the current-to-voltage converter, inverting and noninverting amplifiers, differential amplifier, integrator, differentiator and some analogue filter circuits. In the first instance, the operational amplifier is considered to have ideal characteristics. Where appropriate the consequences of a deviation from the ideal behavior are given, as well as measures to reduce such unwanted effects.
C.1 Operational amplifier
The symbol for an ...
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