ST STDES-50W2CWBC - Q-Factor Accuracy Test; Table 7. Q-Factor Accuracy Test with RMB Coins

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
page 11/26