PTV111-1415A-B1105

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Rotary Potentiometers, Rheostats

The PTV111-1415A-B1105 is an adjustable device that provides electric signals in the form of voltage or current proportional to the angular position of a moving element. It is an example of a rotary potentiometer (RP).

Application Field

Typical applications of RPs include position sensing, audio signal processing, amplitude modulation and frequency modulation, motor speed control, current measurement, and many others. RPs are widely used in industry, electronics instrumentation, control systems, and automation. RPs can be found in most electronic gadgets, such as televisions, stereo systems, and computers.

Working Principle

A RP consists of a rotary mechanism connected to two wires. The wires are connected to a potentiometer, which contains a resistor track. The potentiometer is covered by an insulated housing. When the rotary mechanical element is moved, the potentiometer\'s resistor track resists the motion and creates a varying voltage proportional to the angular rotation.

RPs utilize the electrical principle of variable resistance. As the angular position of the rotary element increases, the resistance also increases. When the mechanical element is static, the resistance will be minimal. As the angular position increases, the resistance of the potentiometer increases. This resistance increases or decreases the voltage, or the current, and, in turn, controls the rate of change of the electric signal.

The resistance of a RP is not affected by the load, meaning that its steady-state resistance is independent of load, current, or voltage. This property makes RPs suitable for applications where precision is required, as it minimizes errors due to temperature variations and other external sources.

Conclusion

The mentioned PTV111-1415A-B1105 is an example of a rotary potentiometer (RP). It is a device used to vary the voltage or the current of an electric signal. It utilizes the electrical principle of variable resistance, and its resistance is independent of load, current or voltage, making it suitable for applications where precision is essential. RPs are used in a wide range of industries, including electronics instrumentation, control systems, automation, and audio signal processing.

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