Menu

Discussion Forum

New Discussion
Filtrer

Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

Excuse me, what is the difference between S parameter and S parameter, dB ？

Posted 25 avr. 2019, 21:11 UTC−4 RF & Microwave Engineering Version 5.4 1 Reply

Yang Cheng
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

What is the calculation formula for the two types of parameters？

1 Reply Last Post 26 avr. 2019, 17:51 UTC−4
Robert Koslover Certified Consultant
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 6 years ago 26 avr. 2019, 17:51 UTC−4

In general, an S parameter is a complex number. In contrast, when an S parameter is expressed in dB, it is taken as 20 times the Logarithm (base 10) of the magnitude of S, or 20*Log|S|.

-------------------
Scientific Applications & Research Associates (SARA) Inc.
www.comsol.com/partners-consultants/certified-consultants/sara
In general, an S parameter is a complex number. In contrast, when an S parameter is expressed in dB, it is taken as 20 times the Logarithm (base 10) of the magnitude of S, or 20*Log|S|.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content