
Electronic Filters and ADCs in Biomedical Applications

Quiz
•
Physics
•
University
•
Hard
Mrs. 1197
Used 1+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is a characteristic of a low-pass filter?
A) Allows frequencies below the cutoff frequency to pass through
B) Allows frequencies above the cutoff frequency to pass through
C) Passes a specific band of frequencies and attenuates others
D) Attenuates a specific band of frequencies and passes others
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the advantage of using oversampling in sigma-delta ADCs?
A) Reduced noise
B) Increased power consumption
C) Higher sampling rate
D) Decreased resolution
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which biomedical application would a high-pass filter be commonly used?
A) Blood pressure monitoring
B) ECG (Electrocardiogram) recording
C) Pulse oximetry
D) Spirometry
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which biomedical application would a flash ADC be commonly used?
A) ECG (Electrocardiogram) recording
B) MRI (Magnetic Resonance Imaging)
C) Blood glucose monitoring
D) Spirometry
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the primary purpose of a notch filter in biomedical signal processing?
A) To attenuate all frequencies equally
B) To enhance specific frequency components
C) To eliminate interference at a specific frequency
D) To amplify the signal across all frequencies
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which biomedical application would a dual-slope ADC be commonly used?
A) Blood pressure monitoring
B) Electrocardiography (ECG)
C) Spirometry
D) MRI (Magnetic Resonance Imaging)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of the quantization step in the ADC process?
A) To convert the analog signal into a digital representation
B) To amplify the analog signal before conversion
C) To filter out noise from the analog signal
D) To modulate the analog signal
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