[sdiy] CEM3374 vco temp sensor

James Patchell patchell at cox.net
Sat Oct 18 02:29:03 CEST 2003


Well, I stand double corrected...:-)

At 11:54 AM 10/17/2003 +0200, René Schmitz wrote:
>Paul Schreiber wrote:
>>Correct, it uses an on-chip multiplier.
>
>Hi Paul, Karl and Jim,
>
>Paul, I think you meant the 3340.
>
>Quote from the Datasheet:
>"For temperature compensation, the 3374 includes an on-chip temperature
>sensor which generates an output voltage, nominally +2.5V, proportional
>to chip temperature (i.e., with a TC of +3300ppm); by ensuring that the
>exponential control voltage is derived from this sensor output (for
>instance, by applying it to the reference input of the system DAC),
>unsurpassed oscillator stabilities can be archeived."
>
>
>Cheers,
>  René
>
>
>
>--
>uzs159 at uni-bonn.de
>http://www.uni-bonn.de/~uzs159
>
>

         -Jim
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