1. [20 pts] Textbook problem 20.1 Solution
2. [20 pts] Textbook problem 20.2 Solution Correction: on page 2 of the solution, vds should go to Vg + V/n (not Vg + nV)
3. [30 pts] Closed-loop quasi-resonant converter Solution
4. [30 pts] Textbook problem 20.5 Solution