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Bandgap circuit question

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jwfan

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in cmos process, we use the PNP to generate the Vbe and ΔVbe, Can we use a simple diode to replace the PNPs?

Thanks a lot,

Jiwei
 

salerno

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Yes, indeed you can use diode. As matter of fact you connect the bipolar as a diode.
 

northeast1

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jwfan said:
in cmos process, we use the PNP to generate the Vbe and ΔVbe, Can we use a simple diode to replace the PNPs?

Thanks a lot,

Jiwei
of cause, but the process you need to consider
 

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