Rev 03 Jan 2013 19:42 | Page 10
Differential signal cutoff frequency: 1/(2πR(2×C4 + C))
Lower common mode signal cutoff frequency will improve RFI rejection, but may increase the risk of
instability with a right leg drive feedback loop
After any solder work in the RFI filter area, the board should be thoroughly cleaned so that residual
flux from the soldering does not create resistive parasitic paths.
EVALUATION BOARD SCHEMATIC
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