What is RF device modeling? Why people usually model HEMT device in RF?

Papabravo

Joined Feb 24, 2006
21,157
RF device modeling looks at the behavior of devices across a range of frequencies. Things like input impedance, output impedance, and gain change as a function of frequency.

An HEMT is designed to operate at frequencies of 100's of GHz to a THz. At these frequencies inductors look like open circuits and capacitors look like dead shorts.
 
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