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a) An ultrasonic sensor has a sensitivity of 1mV/mm, has no offset, and is designed to measure distances of up to 5m. Its output resistance is 1000. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a servo motor at its output. The servo motor needs input voltage of 10V for one full revolution. The motor has an input resistance of 2000. The amplifier subsystem has an input resistance of 1KQQ, an output resistance of 500, and the open circuit voltage gain Av that can be adjusted. i) Sketch an equivalent circuit for the system. ii) What should be the value of the amplifier gain Av in order to enable one full revolution of the motor when the ultrasonic sensor measures the maximum distance of 5m?

a) An ultrasonic sensor has a sensitivity of 1mV/mm, has no offset, and is designed to measure distances of up to 5m. Its output resistance is 1000. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a servo motor at its output. The servo motor needs input voltage of 10V for one full revolution. The motor has an input resistance of 2000. The amplifier subsystem has an input resistance of 1KQQ, an output resistance of 500, and the open circuit voltage gain Av that can be adjusted. i) Sketch an equivalent circuit for the system. ii) What should be the value of the amplifier gain Av in order to enable one full revolution of the motor when the ultrasonic sensor measures the maximum distance of 5m?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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a) An ultrasonic sensor has a sensitivity of 1mV/mm, has no offset, and is designed to measure distances of up to 5m. Its output resistance is 1000. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a servo motor at its output. The servo motor needs input voltage of 10V for one full revolution. The motor has an input resistance of 2000. The amplifier subsystem has an input resistance of 1KQQ, an output resistance of 500, and the open circuit voltage gain Av that can be adjusted. i) Sketch an equivalent circuit for the system.
Transcribed Image Text:a) An ultrasonic sensor has a sensitivity of 1mV/mm, has no offset, and is designed to measure distances of up to 5m. Its output resistance is 1000. An amplifier takes the signal from the sensor and converts it to a form suitable for driving a servo motor at its output. The servo motor needs input voltage of 10V for one full revolution. The motor has an input resistance of 2000. The amplifier subsystem has an input resistance of 1KQQ, an output resistance of 500, and the open circuit voltage gain Av that can be adjusted. i) Sketch an equivalent circuit for the system.
ii) What should be the value of the amplifier gain Av in order to enable one full revolution of the motor when the ultrasonic sensor measures the maximum distance of 5m?
Transcribed Image Text:ii) What should be the value of the amplifier gain Av in order to enable one full revolution of the motor when the ultrasonic sensor measures the maximum distance of 5m?
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