In the encoder of the more important technical parameters

by:HENGXIANG     2020-11-07
Encoder is widely used in electronic products, for the designer we must understand these important parameters of the encoder is good! Main parameters of the encoder has a nominal resistance and tolerance, Error) , rated power, high working voltage, stability, electromotive force, high frequency characteristics, noise resistance change law, etc. Rated power refers to the two encoders on the fixed end to allow maximum power dissipation. Power rating is not equal to center tap and fixed on the power. Standard resistance: in order to facilitate the production and use, a series of resistance in accordance with the state's unified regulations as standard value of the resistor value, the series resistance is called the encoder of nominal value, that is in marked on the product value, the series is similar to the series resistance. Resistance level of permissible error: the measured value and the nominal value error range according to different precision level allows & plusmn; 20%,± 10%,± 5%,± 2%,± An error of 1%. The accuracy of precision encoders can reach & plusmn; 0. 1%. Resistance change law refers to the resistance with the sliding piece of contact Angle of rotation ( Or sliding trip) The change of the relationship between, usually have a straight line ( B) , the logarithmic type ( 一) And the exponential ( C) 。 General linear encoder for the use of voltage divider, logarithmic type encoder usually only used for tuning control is applied, and the exponential encoder is often used for volume control in radio, tape recorder, record player, TV. Shanghai electronic 25 years specializing in the production of encoder, encoder variety, all varieties, the encoder model of 70000 kinds of encoder power suppliers, looking for a coder manufacturer is looking for electronic.
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