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Subject: Circuit with variable inductor

Date: 10/15/01 at 4:51 PM
Posted by: Didier Van Reeth
E-mail: dvanreet@esat.kuleuven.ac.be
Message Posted:


I have a not so great inductor with an inductance of 6 ÁH
and a resistance of 30 ohm. When the inductor is deformed,
the inductance changes slightly (about 0.1 ÁH).

I need a circuit that enables me to see this change, either
with the use of a variable output voltage or else with a
variable frequency.

I tried a colpitt oscillator, but this doesn't work with
the given inductor.


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