butterfish
Full Member level 2
Hi, it's a low current voltage buffer that confuse me.
where n5 gives a constant tail current about 40nA. Vout follow with Vref.
My question is: why add n4 here? what's the advantage of this circuit?
waiting for your help,thanks!
fish
where n5 gives a constant tail current about 40nA. Vout follow with Vref.
My question is: why add n4 here? what's the advantage of this circuit?
waiting for your help,thanks!
fish