Design size of MOSFET

Thread Starter

Jasper12

Joined Sep 23, 2010
2
Picture at http://www.flickr.com/photos/55456625@N07/5142577192/
The load in the inverter circuit shown is a coil of an electromagnet
that requires a current of 0.5 A when turned on. The effective​


load resistance varies between 8 and 10
, depending on
temperature and other variables. A 10 V power supply is
available. The transistor parameters are k'n=80 and Vtn=1V​
Design the size of the MOSFET to meet the requirements.

Just a little bit of guide how to start, useful websites..etc..would be great,thx a lot!:)

 
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