bandgap voltage reference?

happybull

各位都有发表高见. 我看这个电路不是BANDGAP. 应该叫PTAT 电压.
1 A1 ^; |+ @1 E* |请版主,版副指点.

happybull

what's the volage over temperature?
PTAT.
If you use this reference voltage in your IC,what will you get?

2 ]+ K" D. x6 ^. j1 F4 ~0 v" a7 ^[ 本帖最後由 happybull 於 2007-11-13 10:59 AM 編輯 ]

happybull

Ooooooooooooh.
My mistake.
This one comes from Razavi's book.

[ 本帖最後由 happybull 於 2007-11-13 07:54 PM 編輯 ]

happybull

Anybody knows how to choose R0,1,2,3,4,5 to get a bandgap?
4 Z% p2 x- F: Y( E/ d+ zAnd how will this bandgap start up?

* ?, ^; v& D  U[ 本帖最後由 happybull 於 2007-11-13 07:56 PM 編輯 ]