Transformer and Frequency

[Thomas]

Hello,

Short question:
Why is it not possible to use an "normal" transformer for high
frequency like 20 kHz?
Why should I use ferrite?

I thought it should work even better with a higher frequency??

Thaks a lot.
Thomas

 

[Rich Grise]

Thomas wrote:

Hello,

Short question:
Why is it not possible to use an "normal" transformer for high
frequency like 20 kHz?
Why should I use ferrite?

I thought it should work even better with a higher frequency??

Short Answer:

Inductive Reactance.

Cheers!
Rich