Tobias Appel

3 Questions 7 Answers 0 Followers

Questions related from Tobias Appel

Is there a frequency dependent coupling in transformers?

The question is about a simple winding of Transformer or even a "choke". I measure the impedance over the frequencies of a builded transformer. The next step is to simulate the transformer with...

09 September 2017 6,630 0 View

What is the doping concentration Nd of SiC-FET(1.2kV)?

Can anyone tell me what the donor concentration of the intrinsic region of a SiC-MOSFET or better for the no-SiC-JFET is? They are 1.2kV devices. The JFET I use has a punch-through voltage of...

12 December 2013 3,160 0 View

How may the air-gap of a inductor be calculated correct?

The problem is to calculate an inductor. If everything (inductivity, number of turns, core crossection, permeability, magnetic length ... ) is given expect the length of the air-gap. It seams to...

01 January 1970 2,650 1 View