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why only use diode for negative temp in bandgap ??

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alchen77

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Can we use diode connected MOS to replace the diode ??
 

hung_wai_ming(at)hotmail.com said:
Yes, you can as long as the temperature coefficient is negative
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but is there any design concern or silicon result are bad ??
 

BJT on the other hand is more well-controlled than MOS type device. So we'd better use BJT as the diode
 

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    alchen77

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