how to design an alarm for low current in high voltage ?

Thread Starter

noumouyak

Joined Dec 22, 2016
1
Hello, I am new in circuit design and would appreciate your help.
I have a project where i need to design an alarm that is turn on when the current is higher than 0,7A.
Note that:
1) the current is measured across a wire with AC within 100kHz-10MHz range
2) the current is low while the voltage is very high.
How can I build such an alarm?

Regards.
 
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