Hello Mr. Peterson. In general, everything is clear. Thank you. Could you tell about the use of ferrite beads in the gate of field-effect transistors to eliminate interference in the region of 100 MHz ± 50 MHz, to reduce losses on transistors during switching. Using resistors of 1-5 Ohm does not give the desired result. I have seen such solutions in some voltage converter circuits. For what frequency range of the converter is it acceptable to use ferrite beads? I am interested in solutions for converters with a frequency of 1 MHz. How to deal with noise in the upper-level gate circuit, with a bootstrap circuit, in the absence of interference in the source of the upper key? Thank you very much.
What specifically are you trying to achieve? One of the reasons you would use the ferrite on a FET gate is because noise in a specific frequency range is interfering with the operation of the gate, but you are trying to drive the gate in a different frequency range. You can use the FET but a better idea is to find the source of the 50-150 MHz noise and solve that problem first.
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Thank you Mr Peterson. It's an honor to be mentioned in one of his videos.
This topic is what I am waiting for because I think there are lots of missed Ferris bead in PCB design.
Hello Mr. Peterson.
In general, everything is clear.
Thank you.
Could you tell about the use of ferrite beads in the gate of field-effect transistors to eliminate interference in the region of 100 MHz ± 50 MHz, to reduce losses on transistors during switching. Using resistors of 1-5 Ohm does not give the desired result. I have seen such solutions in some voltage converter circuits. For what frequency range of the converter is it acceptable to use ferrite beads?
I am interested in solutions for converters with a frequency of 1 MHz.
How to deal with noise in the upper-level gate circuit, with a bootstrap circuit, in the absence of interference in the source of the upper key?
Thank you very much.
What specifically are you trying to achieve? One of the reasons you would use the ferrite on a FET gate is because noise in a specific frequency range is interfering with the operation of the gate, but you are trying to drive the gate in a different frequency range. You can use the FET but a better idea is to find the source of the 50-150 MHz noise and solve that problem first.
I can't download this video