How to design a bandgap by using only MOS?

[vrs007]

How to design a bandgap witout using BJTs...by using only MOS??
What is the base concept for MOS bandgaps...

And can anyone explain this...I have to design a bandgap with three PTAT sink outputs and 3 source outputs...I didnt understand it...so we have three nodes varying with temp and we use those 3 in different combinations to get 3 different reference voltages???

All this using only MOS

 

[adsl]

Re: MOS bandgaps

Do you have any references? Plz show me. TIA.

 

[qutang]

MOS bandgaps

where is your circuits.

 

[vrs007]

MOS bandgaps

That is what I didnt get...how to make a bandgap reference circuit without BJTs and only MOS...am new to bandgaps and all the ckts I have seen use BJTs only....how to make a bandgap reference circuit using MOS only...no BJTs and no opamps...any hint would be helpful...thanks.

 

[gevy]

Re: MOS bandgaps

See, for example,

A CMOS bandgap reference without resistors

ArneE.Buck,Member,IEEE,CharlesL.McDonald,Member,IEEE,StephenH.Lewis,Fellow,IEEE,and T.R.Viswanathan,Fellow,IEEE

IEEE JOURNAL OF SOLID-STATE CIRCUITS,VOL.37,NO.1,JANUARY

 

[balan]

Re: MOS bandgaps

hi,
the others ways are you can follow the body driven technique. i found the paper in ieee. i will post the title in next post.