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How many kinds of reference circuits are there?

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overmars

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How many kinds of reference circuit ? Why the bandgap reference often used?

Thanks
 

Re: about reference

I think BGR can have a better voltage stability vs temperature change. Please see the info.
**broken link removed**
 

Re: about reference

I agrre with the last post. The bandgap refrence offers a 4-10 mV change for a range of temperature of -125°C to 100°C. wich its very good for the most aplications involving reference circuits. For most specific detail about it i have a lot of paper about it, so send a private so I can send them
 

Re: about reference

there are many kinds of references like zener, bandgap etc.... but bandgap is used as it uses a compensation technique using Vbe drop to produce a current change and make the reference stable with respect to temperature...
 

about reference

Thanks all,
and Neo_82, can you send me your ref to me?
my e-mail:eek:vermarscai@163.com
 

about reference

One of the best reference generators is BAND_GAP circuit. the principle of these circuits is to use an element such as BJT which has two parameters dependent to temprature changes and......
REFERENCE: B. Razavi, CMOS CIRCUIT DESIGN
 

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