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.
5 u* \& U+ j6 `3 p% W" ~! x) M请版主,版副指点.

happybull

what's the volage over temperature?
) A8 j5 r6 u' R8 \PTAT.
  c8 A1 C" z- l0 W/ V$ QIf you use this reference voltage in your IC,what will you get?
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* B0 D  b6 |( o2 O' R1 c! K  n$ T[ 本帖最後由 happybull 於 2007-11-13 10:59 AM 編輯 ]

happybull

Ooooooooooooh.
( ^5 O2 o1 w+ }My mistake.
This one comes from Razavi's book.
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[ 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?
0 \* m( V5 m) z$ I9 QAnd how will this bandgap start up?
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7 Q" K7 w9 H0 I: c[ 本帖最後由 happybull 於 2007-11-13 07:56 PM 編輯 ]