problem reading diagram

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wjyates

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I have a 27.5 vdc circuit that will control a 18v motor and keep it at a constant speed when different loads are applyed to the motor
problen is one of the caps are labeled as fallows
10 percent,MF,1.0nF,NI. the 10 percent I get,the metal film i get,1.0 nF get that too. what i don't get is the NI. does NI mean niobiun oxide, if so are these caps metal film.

thanks to anyone who can help
wjyates
 

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I'm with KI6RWX, Non Inductive. The circuit that it is in is a saw-tooth oscillator which generates a puesdo-triangle wave which is compared to the a slowly-varying voltage level proportional to the motor's speed to produce the pulse-width modulation which switches the motor on-off.

de wa7ark
 
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still need help


so what type of cap is it? can I use any metal film cap or what? or is non inductive a specific type
 
I would like to thank everyone for your assistance.
talk to you all later I'm off to buy some more parts.

THANK'S
wjyates
 
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