EVN-64AA00B32

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Trimmer potentiometers are small precision electrical devices used to adjust and maintain the voltage or current bias point in a circuit. The most common form of a trimmer potentiometer is a miniature, variable resistor often referred to as a trimpot. This type of trimmer has three connections, one of which is able to be adjusted by turning a small screw driver. EVN-64AA00B32 is one type of trimmer potentiometer with variable resistance values ranging from 0 to 100Ω and adjustable over a 5-turns range.

Application Field of EVN-64AA00B32

The EVN-64AA00B32 trimmer potentiometer\'s small size and range of adjustability make it ideal for use in electronics circuits for a wide range of applications. Common applications of the EVN-64AA00B32 trimmer are:

• Adjustment of gain in amplifier and filter circuits
• Adjustment of dc offset
• Calibration of transistors and operational amplifiers
• Adjustment of strain gages in force measurement applications

Working Principle of EVN-64AA00B32

The EVN-64AA00B32 trimmer potentiometer is a variable resistor with three terminals and is adjustable over a 5-turns range. When the adjustment screw is turned, the resistance between the two outer terminals can be adjusted. The third terminal is connected to a wiper arm that slides along the resistor element to vary the resistance between the two outer terminals as it is moved. The resistance range is determined by the type of resistor element used in the trimmer and is usually denoted in ohms (Ω).

The adjustment screw has a slot for accepting a special "trimming" tool, typically called a \'trimpot\' or trimmer tool. Turning the adjustment screw with this tool adjusts the resistance value. Some tools have additional lugs to hold the adjustment screw in place as the trimmer is adjusted. The amount of resistance that can be adjusted is determined by the range of the trimmer.

The EVN-64AA00B32 trimmer potentiometer is a good example of a high precision trimmer with an adjustable resistance range from 0 to 100Ω. The adjustment screw has a 5-turns range which allows for fine adjustment of the resistance value, making it ideal for applications that require highly precise resistance values.

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