>>Radiated noise evaluation / Table of equipment used
When no filter was used, a high level of noise was found from 150 kHz to 30 MHz. By adding choke coil DLW43SH series, a noise-suppression effect was achieved. The DLW43SH series achieved a noise-suppression effect of approx. 26 dB at a 20.5 MHz vertical polarized wave frequency.
When no filter was used, a high level of noise was found from 150 kHz to 30 MHz. By adding choke coil DLW43SH series, a noise-suppression effect was achieved. A noise-suppression effect of approx. 18 dB at a 21.0 MHz vertical polarized wave frequency was achieved.
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