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What is the purpose 1k resistor for external ballast MC9S12ZVC

Question asked by SREEKANTHREDDY C on Nov 17, 2016
Latest reply on Nov 19, 2016 by Radek Sestak

Hello,

 

A 1 kilo Ohm resistor which is connected between the Base and Emitter of PNP external ballast in MC9S12ZVC. Can we change this resistor value to 100k or more to reduce the current on Input Supply.

 

Please clarify

 

Thanks and Regards

Sreekanth

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