possible tempco with KTY81

Ian Fritz ijfritz at earthlink.net
Wed Nov 17 15:58:27 CET 1999


Martin Czech wrote:
> 
> Is it was previously discussed, all boils down to:
> 
> R(T0)+C1*(T-T0)
> ---------------
>        T
> 
> ie.: one can never eliminate T, no matter what type of simple circuit
> is used, no matter how expensive the tempcos are.
> 

UNLESS R(T0)=C1*T0, which I believe is pretty close for the wirewound
Q81. (Terry Michaels showed some results from a Q81 spec sheet once, but
I don't have them any more.) Different kinds of tempco's would have to
be checked separately.

  Ian



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