Substrate Bias

Hi guys, For a nmos , the substrate is connected to a negative potential ( or ground). I understand that , this is done to reverse bias the pn diodes formed by ( source and substrate) and ( drain and substrate ), so that the channel is confined to the place between source and drain. Is my understanding correct or is there any other reason ? Regards Shashank

Asked By: shashas
On: Jun 6, 2005 8:50:51 AM

Comments(2)

thanks

Comment By: shashas
On: Jun 7, 2005 12:20:39 AM

yea this is correct and for PMOS it is connected to most high potential

Comment By: rskurane
On: Jun 6, 2005 7:20:28 PM

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