4_RANGE_dc_MICROAMMETER

Published:2009/7/10 4:16:00 Author:May | From:SeekIC

IC1 produces a full-scale reading on M1 when pin 3 has a 10m Vdc level on it, as determined by R7 and R8. R1 through R4 are shunts that produce a 10-mV drop for the desired full-scale range. R9 zeros the meter.



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