The Challenges of VHF Power Conversion

How much could power supply density increase if operating frequency was substantially increased? Not just by a factor of 5 or 10, but into the 10's of MHz, the frequency band known as Very High Frequency (VHF) in the radio world. Making very high density, high frequency power supplies with sufficient energy efficiency to meet thermal requirements is a significant challenge.

In this presentation, resonant power converter topologies based on class-E inverters will be reviewed. The design challenges of tuning the resonant elements, control, magnetic design, meeting EMI and safety requirements, and packaging for high density will be discussed, along with a vision of the future of high frequency power conversion.

Speaker: Dr. Anthony Sagneri, FINsix

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