Practical detection method of push-pull potentiometer sensor

　　Push-pull potentiometer sensor resistance curve types are generally linear (type b) and exponential (type a) two types. If the exponential push-pull potentiometer sensor should be used, so that the push-pull potentiometer sensor adjusts the same Angle, the volume change heard by the human ear is nearly the same. In some cases, such as tone circuits, a linear push-pull potentiometer sensor may be required.

　　The general resistance value of the linear push-pull potentiometer sensor is marked as bxxx, xxxb, etc., and the general resistance value of the exponential push-pull potentiometer sensor is marked as axxx, xxxa, etc. xxx refers to the resistance value of the push-pull potentiometer sensor. For example, b50k is a linear push-pull potentiometer sensor with a resistance of 50kohm.

　　Push-pull potentiometer sensor Detection Method Total resistance Measurement of the fixed resistance between one terminal and three terminals, is the total resistance.

　　Rated power

　　Rated power refers to the maximum power that can be obtained by the current through the entire range of the push-pull potentiometer sensor (including terminal 1 and terminal 3) at a certain temperature. It is assumed that the rated temperature of the carbon film push-pull potentiometer sensor is 50 ° C, and the maximum load power can be obtained by changing the temperature between 50 ° C and 70 ° C and the rated power, the relationship is shown in the figure below.

　　Rated voltage

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