ST STDES-50W2CWBC, Технические заметки, Страница: 11 / 26

4.6 Q-factor accuracy test
The Q-factor measurement accuracy of the STDES-50W2CWBC dual-coil reference design should be close to
the LCR meter. The table below shows the test results.
Table 7. Q-factor accuracy test with RMB coins
DTU One Yuan 50 cents 10 cents
LCR 11.7 18.1 29.4
Coil 1 11.3 18.4 31.5
Coil 2 11.4 18.3 31.1
TN1399
Q-factor accuracy test
TN1399 - Rev 1
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