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MMC
Hi coilers,
After having assembled my new MMC I checked out the capacity
of each string in order to monitor possible changes in the future. 16
caps 100 nF connected in series (each of them paralelled by a 10
MOhm bleeder) resulted in 7.0 nF. Strange, because the caps are
tolerated +- 5%. I checked a single cap and the meter showed 150
nF. I disconnected the bleeder and found the capacity to be 100
nF. Correct! I used other type of meters and got different results.
Obviously the measured capacitance is dependent on the value of
the bleeder and the meter's measuring method. So watch out!
Regards Herwig