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Design of a Motor Speed Sampling, Amplification, Filtering and Display Circuit - Essay Example

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This part of the course is geared towards designing both the Analogue circuits and digital circuits that are meant to perform various functions and tasks. The function of this is to sample the speed of the motor, the amplification of the motor and final display. The outcome that…
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Design of a Motor Speed Sampling, Amplification, Filtering and Display Circuit
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Based on the requirements of the course, it is mandatory that the current signal be converted between the ranges -2.5 mA to 2.5 Ma and through a voltage signal ranging between the voltages of 2 V to 3 V. When all the recommended conversions have been done, then it is advisable that any noise that may be available be suppressed in AC signals that have frequencies that exceed 100 Hz. When all these have been carried out, the analogue circuit is converted into digital signals and A to D converter is maintained at 8 bit.

The 8 bit of the digital signal is then relayed onto the 7-segment for display. The converter finally gives the ADC clock of the whole system. This course work may be analyzed based on two major components. These components include analogue circuits of the system and the digital circuits of the system. The analogue circuits of the system operate on signals of low currents that are meant for conversion to the voltage signals. The noise is then filtered out from the signals of the AC. The analogue circuit consists of the following parts thus, rectifiers, low pass filters, and the amplifiers (Gieras & Wing 2002).

The rectifiers are used to convert alternative current voltages into the signals of direct current voltages, the low pass filters are used to filter the noise that might be present in the alternative current voltage signals that have been amplified, and finally, amplifiers are used in the amplification of the small signals of the currents into the required voltage signal ranges. The part of the digital circuit is categorized into the following thus, converters classified as A to D, the 8-bit synchronous counter, and decoders classified as BCD and SSD.

The D to A converters are used in the conversion of the analogue circuit signals to the digital circuit signals. The converter feeds the ADC clock of the system. BCD to SSD converters are used

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