WIZnet Developer Forum

WIZ750SR-100 radiated emissions

Dear all,

We designed a PCB board in which WIZ750SR-100 fits.
While doing an radiated emission test we saw a big spike at 57MHz and its harmonics (114 MHz and 171MHz).

Is something inside the WIZ750SR-100 working at 57MHz?
Regards,

Copyright © 2017 WIZnet Co., Ltd. All Rights Reserved.