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Würth Elektronik Watts Up Podcast


Jul 7, 2022

WE are doing Throwback Thursday #TBT – For the next few weeks, we’re republishing our most popular podcasts of the last year. In last week's broadcast, we began our discussion regarding the design of a USB but from a viewpoint of EMC considerations. We discussed the hardware and components, EMC circuitry, and the use of a USB filter. This week, we begin with the filter for DC supply.

Figure 11: 

USB_2.0_Complete_Diagram (1)

Figure 12:

Theoretically_Possible_Insertion_Loss

Figure 18:

Theoretically_Possible_Insertion_Loss

Figure 19:

Electrical_Characteristics

Figure 21:

Low_Pass_Filter

Figure 22:

HF_Corrected_Layout

Figure 24:

USB_Dongle

Figure 27:

Interference_Emission_Spectrum