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Subject: DC current sensing circuit

Date: 03/26/02 at 11:26 PM
Posted by: Jerry
E-mail: Jerryl100@aol.com
Message Posted:

I am looking for a circuit to trigger an alarm when a load gets disconnected from a 9.6 V battery pack.The circuit is going to be used in a R/C combat plane to help find the battery if it gets ejected.I have tried using voltage comparator circuits but the voltage drop was too much.Did anybody ever hear of a micro hall effect or similar current sensor which could be used for this circuit.The load ranges from 5mA to 15A so I guess it would have to trigger at a near zero reading.Any help or ideas would be appreciated. Thanks again Jerryl100@aol.com

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