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An oscilloscope is an electronic instrument used to measure and analyze electrical signals. It is used to measure the voltage, frequency, and other characteristics of an electrical signal. Oscilloscopes are used in a variety of applications, including testing and troubleshooting electronic circuits, analyzing sound waves, and measuring the performance of radio transmitters. Oscilloscopes are also used in medical, industrial, and scientific research.
Oscilloscopes come in a variety of sizes and prices. Entry-level oscilloscopes can cost as little as $100, while higher-end models can cost several thousand dollars. Popular oscilloscope manufacturers include Tektronix, Keysight, Rigol, and Hantek. These companies offer a wide range of oscilloscopes, from basic models to advanced models with features such as multiple channels, digital signal processing, and advanced triggering capabilities.