RT26C2W101

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Trimmer potentiometers (also known as preset resistors) are adjustable resistors used in electronic circuits that allow circuit creators to fine-tune a signal or quickly alter the operating characteristics of a circuit. Electronic components like switches, capacitors, inductors, and potentiometers all ideally contribute to the overall function of a given circuit. The RT26C2W101 is one such component, and this section examines its application field and working principle.

Application Field

The RT26C2W101 is mainly used in low and middle frequency circuits of wireless communication, wireless remote control transmitter and receiver and other electronic products. It is also suitable for automatic peak clipping, level adjustment, bias adjustment, linear adjustment, RF attenuation, etc.in TV, video recorders, radios, VTRs, and other similar electronic equipment. The RT26C2W101 also makes excellent use in various resistors’ capacitors’ inductor’s adjustable circuits.

Working Principle

The working principle of the RT26C2W101 is similar to a simple resistor. A user changes the output voltage value when adjusting a trimmer potentiometer. The mechanism uses the same principles as a rotary potentiometer, but instead of a vane (the sliding or turning part of the resistor), a small plastic screw is installed which adjusts the resistance. In the interior of these components, a special film element is connected in a three-terminal arrangement. This element is based on carbon, as a variable resistor element. Two metal films (not made of carbon) are welded to its ends and during adjustment, are squeezed and separated to change the resistance between them. Changing the contact causes an internal element to rotate, increasing the resistance between two terminals and thus changing the output voltage.

In summary, the RT26C2W101 is a trimmer potentiometer which can be used in wireless communication, wireless remote control, TV, video recording devices, radios, and VTRs. It can be used for adjusting the output voltage in a circuit and is composed of a carbon based variable resistor element with metal films welded onto each end. Adjustment refers to the squeezing and separation of these metal films in order to change the resistance value.

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