Instrumentation Amplifier Video Lecture | Analog and Digital Electronics - Electrical Engineering (EE)

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FAQs on Instrumentation Amplifier Video Lecture - Analog and Digital Electronics - Electrical Engineering (EE)

1. What is an instrumentation amplifier in electrical engineering?
Ans. An instrumentation amplifier is a type of differential amplifier that has been designed to have high input impedance and the ability to amplify small differential signals while rejecting common-mode signals.
2. How does an instrumentation amplifier differ from a regular differential amplifier?
Ans. An instrumentation amplifier typically has higher input impedance, better common-mode rejection ratio, and higher accuracy compared to a regular differential amplifier. It is often used in applications where precise amplification of small differential signals is required.
3. What are some common applications of instrumentation amplifiers in electrical engineering?
Ans. Instrumentation amplifiers are commonly used in applications such as data acquisition systems, medical instrumentation, strain gauge amplifiers, temperature measurement systems, and sensor signal conditioning.
4. How can the gain of an instrumentation amplifier be adjusted?
Ans. The gain of an instrumentation amplifier can be adjusted by changing the values of the external resistors in the amplifier circuit. By selecting appropriate resistor values, the gain can be set to the desired level.
5. What are some key advantages of using an instrumentation amplifier in electrical engineering applications?
Ans. Some key advantages of using an instrumentation amplifier include high input impedance, high common-mode rejection ratio, low noise, and the ability to accurately amplify small differential signals. These features make instrumentation amplifiers well-suited for precision measurement and signal conditioning tasks.
137 videos|143 docs|71 tests
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