HALL_GENERATOR_CHOPPER_AMPLIFIER

Published:2009/7/10 23:36:00 Author:May | From:SeekIC

D-c signal voltage to be chopped is applied as control current of Hall generator. Magnetic field for generator is pulsed at 60 cps by driver circuit. Output is pulsating d-c voltage that is product of the two inputs. Error in input d-c versus output a-c is 2.5% for tem-perature range of -20 to 50℃. Can be used as d-c, a-c, or r-f microammeler.-T. J. Marcus, Highly Sensitive Electronic Chopper, Electronics, 32:40, p67-68.



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