Sep 16, 2007 #1 M maryambk Newbie level 5 Joined Aug 12, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,337 hi dear all, i am really having problem with calculating in solving cmos problems.please help me with attached problem. best regards
hi dear all, i am really having problem with calculating in solving cmos problems.please help me with attached problem. best regards
Sep 16, 2007 #2 J jody Member level 3 Joined Sep 14, 2006 Messages 57 Helped 7 Reputation 14 Reaction score 1 Trophy points 1,288 Activity points 1,527 first, the current that circulates in M4 and M6 is mirrored for M3 and M5.
Sep 16, 2007 #3 M maryambk Newbie level 5 Joined Aug 12, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,337 dear jody thanks for your answer, the main problem for me is setting dc voltage=1.65 at vo1.
Sep 16, 2007 #4 M mince Member level 5 Joined Feb 19, 2005 Messages 82 Helped 10 Reputation 20 Reaction score 4 Trophy points 1,288 Location Texas Activity points 1,894 If I4 = M * I3 and W4 = M * I3, then Vo1 should be approximately equal to the gate voltage of M4. The VGS of M4 should be easy to calculate with the formula for current.
If I4 = M * I3 and W4 = M * I3, then Vo1 should be approximately equal to the gate voltage of M4. The VGS of M4 should be easy to calculate with the formula for current.
Sep 16, 2007 #5 M maryambk Newbie level 5 Joined Aug 12, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,337 Dear Mince, thanks for your answer, what do you mean from w4=M* I3 and what's M? would explain more?
Sep 16, 2007 #6 M mince Member level 5 Joined Feb 19, 2005 Messages 82 Helped 10 Reputation 20 Reaction score 4 Trophy points 1,288 Location Texas Activity points 1,894 M is just a number. It should be W4 = M * W3....sorry about that.
Sep 17, 2007 #7 H hardings Member level 3 Joined May 23, 2003 Messages 57 Helped 5 Reputation 10 Reaction score 2 Trophy points 1,288 Activity points 501 Gain=10 only, why do you use this structure?
Sep 17, 2007 #8 M maryambk Newbie level 5 Joined Aug 12, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,337 hello, My main aim was learning the theoritical method for solving this circuit.