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Temperature compensation (Read 2132 times)
Ghitani
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Posts: 2
Temperature compensation
Apr 17
th
, 2008, 5:49pm
Hi everybody,
Can anyone suggest me ideas for temperature compensation in ring ICO i.e. making tuning C/Cs less
sensetive to temperature variations?
Thanks,
Ghitani
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Berti
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Posts: 356
Re: Temperature compensation
Reply #1 -
Apr 17
th
, 2008, 11:42pm
Should your ring-ICO need a bias current you could use a PTAT current.
I some cases this helps to reduce the temperature variations (depending on
the implementation of the ICO).
Cheers
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Ghitani
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Posts: 2
Re: Temperature compensation
Reply #2 -
Apr 18
th
, 2008, 4:05am
Thanks for your reply.
Regarding architecture, I used replica bias ICO with a differential delay cell of triode load (similar to Razavi's).
Is the PTAT current is the only solution?
Thanks,
Ghitani
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