Sep 2, 2008 #1 E elexian Newbie level 4 Joined Aug 9, 2008 Messages 7 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,322 how pmos works pull up by nmos and pull down by pmos works??
Sep 2, 2008 #2 A _asm_ Newbie level 1 Joined Sep 2, 2008 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,284 no problem... Most important is the grid-source voltage. If you can ensure this voltage that works perfectly. The mos cannot know if he are pulling up or down ! bye
no problem... Most important is the grid-source voltage. If you can ensure this voltage that works perfectly. The mos cannot know if he are pulling up or down ! bye
Sep 2, 2008 #3 H hrss Newbie level 3 Joined Nov 5, 2007 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,293 dear friend if u use nmos for pull up then Vt(Vgs) will decreased from Vdd but for pmos Vdd transfer to out put .for pull down is is oppose regards
dear friend if u use nmos for pull up then Vt(Vgs) will decreased from Vdd but for pmos Vdd transfer to out put .for pull down is is oppose regards
Sep 3, 2008 #4 Y ytliang Member level 3 Joined Aug 4, 2008 Messages 66 Helped 8 Reputation 16 Reaction score 3 Trophy points 1,288 Activity points 1,627 if you use a nmos for pull up, your output would be VDD-Vth. Likewise, if you use a pmos for pull down, your output would be GND+Vth.
if you use a nmos for pull up, your output would be VDD-Vth. Likewise, if you use a pmos for pull down, your output would be GND+Vth.