An automated water tank system consists of Flash ADC, DAC, sensor and motor where sensor gives voltage value as output. If the water level of the tank goes below 15%, it produces the voltage of 5.10V. That voltage is then put through a 4-bit Flash ADC as input (where reference voltage is 16V and R=5kΩ). After that the output of that ADC applied to a Binary Weighted DAC (where the “logic 1” as 5 V, “logic 0” as 0 V and R = 3.5kΩ) to produce sufficient voltage to turn ON the water supply motor. i. Draw the block diagram of the whole system ii. Design the complete circuit diagram (combined) of the system consisting ADC and DAC. iii. Find the required voltage to turn ON the

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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An automated water tank system consists of Flash ADC, DAC, sensor and motor where sensor gives

voltage value as output. If the water level of the tank goes below 15%, it produces the voltage of 5.10V.

That voltage is then put through a 4-bit Flash ADC as input (where reference voltage is 16V and

R=5kΩ). After that the output of that ADC applied to a Binary Weighted DAC (where the “logic 1” as

5 V, “logic 0” as 0 V and R = 3.5kΩ) to produce sufficient voltage to turn ON the water supply motor.

i. Draw the block diagram of the whole system

ii. Design the complete circuit diagram (combined) of the system consisting ADC and DAC.

iii. Find the required voltage to turn ON the motor.

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