Hall device series connection drive circuit diagram

Published:2011/5/6 2:26:00 Author:Nicole | Keyword: Hall device, series connection | From:SeekIC

The figurea is a hall device series connection drive circuit. Hall device's magnetoresistance effect produces error. In the circuit, it adopts the method of H1, H2, H3 hall devices series connection, it eliminates the error which is produced by magnetoresistance effect by adding negative feedback. The thermal resistor RT which is connected to feedback circuit is used to improve the circuit's temprature characteristice. S1 and S2 are used in the input motor's turn speed control singal.



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