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Power Comparator

 
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kaku88



Joined: 02 Dec 2002
Posts: 16
Post06 Dec 2002 4:37   Power Comparator
I would like design a circuit for compare two input voltage.
1. 432Vdc
2. 550Vdc
and best solution to do so.

Thanks
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flatulent



Joined: 19 Jul 2002
Posts: 4864
Helped: 292
Location: Middle Earth
Post06 Dec 2002 4:54   resistive voltage divider
Use a resistive voltage divider on each one to reduce them to the few Volt level and use ordinary differential op amp circuits or a comparator.
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