IC Amplifiers Optimized for Low Noise and Designed to Produce

question 37

Multiple Choice

IC amplifiers optimized for low noise and designed to produce less than 50 mW output power are called

• A) power amps.
• B) medium-level amps.
• C) video amps.
• D) preamps.

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Definitions:

Repolarization

Reestablishment of a polarized state in a muscle or nerve fiber following contraction or conduction of a nerve impulse. On an ECG, the time of recovery before another contraction.

Electrodes

Conductive materials that allow the flow of electrical current in and out of a circuit or solution.

ECG Paper

Specialized graph paper used in electrocardiography to record electrical activity of the heart over time.

Single-Channel Machines

Devices that are designed to process or measure one signal or data stream at a time.