Question: 1. The S parameters of a GaAs FET at a given Q point are
![1351_S11.png](https://secure.tutorsglobe.com/CMSImages/1351_S11.png)
Draw the input stability circles (at each frequency) in a Smith chart and the out-put stability circles in another Smith chart. Indicate the unstable regions.
2. This problem analyzes some interesting (theoretical) cases of the stability circles.
![1095_S12.png](https://secure.tutorsglobe.com/CMSImages/1095_S12.png)