Biotechnology · Biomedical Engineering
What is the primary purpose of the differential amplifier in an ECG machine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase overall signal amplitude for clearer waveforms
- 2To stabilize baseline drift during long recordings
- 3To convert analog signals into digital format
- 4To amplify true cardiac signals while rejecting common-mode electrical noise✓
Correct answer
To amplify true cardiac signals while rejecting common-mode electrical noise
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