[SI-LIST] Re: Insertion and Return Loss

Hello Avtaar,
Insertion loss is the decrease in power of a signal as it travels through a 
network.  
The equation for 2 port:
port1 ---------- port2
IL = -20logS21      
Return loss is a ratio of power reflected to power incident on a network.
The equation for 2 -port:
RL = -20log|S11|
-Jory


Avtaar Singh <avtaarenator@xxxxxxxxx> wrote: Dear Experts:
What is the meaning to insertion loss, and what does return loss mean? Can
someone give me their formulae in the form of S Parameters?

Regards,
Avtaar Singh


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