Question

1. Answer the following questions: (25 maks) (a) Briefly dessribe the peoperties of the common used Sther pypesHwso denermine the cutoff frequency of a low pass fher? (b) Why volage followers are generally sed in ser procondisioning devices with sensing units and amplifiers? 2. The measurements in a data setaee sujected so random emoes but it is known that the das set fits a Gaasian distribution.lf σ tsthe suedard deiton ofthem ou_.swer the following questions: (a) Desermine the percentage of measurements tha liewhn the boundaries of to und 3, respectively (b) Usc ±3aasan eurple to explain results.esturks) decays with time (r) according to the relatintig!' . Kep㈠r. Erste values fr K and r if the following values of F and ane measured Esimate the output voltage when a displacoment of 4.5 em is measured (25 marks) 867 655 129 256 195 140 104076 4. Figure 1 shows an Op-Amp cincuit of an amplifier Amwer the Scllorming quesitions (a) Derive the output voltageif the input voltage is Page 2 of 3