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3 years, 4 months ago
The course content is great. Thank you edX for hosting and offering it. I love the demos, labs, the sandbox and the discussions. The guidance explanations in the discussion by all, and especially by one Grov... The course content is great. Thank you edX for hosting and offering it. I love the demos, labs, the sandbox and the discussions. The guidance explanations in the discussion by all, and especially by one Grove, are very enlightening, many thanks to him. The power of simulation has been made abundantly clear to me. The flexibility of the course is invaluable given that I have a day job and can only commit the portions of time when I am tired to work through the challenging yet accessible content. The opportunity to invest through registering for verifiable certification was very motivating for the the basic and intermediate course. Many misconceptions have been cleared as a result of taking this program. Alas the misconceptions cost me some grade points on my final exams but I cannot reverse what the limited four responses of the final exam dictated even though I later figured out my errors as I worked through other problems. I wish that there would be a 'history-of-submissions' tab besides problems so that I can quickly see the earlier responses and not resubmit them when I cannot access my large sheaf of notes and scratch paper. The exam problems appear to be a notch ahead of what is taught in the course videos and given in the coursebook. The consequence is that I have ended up reading and researching far and above what is required to solve many problems. For example I learnt more about the shunt peaked amplifier, Laplace Transforms, buck and boost inverters, reading component datasheets, the often-obfuscated R_DS_ON, the many-legged integrated circuit devices, diode protection in inductive circuits, among others practical matters than I knew before. May be that is a blessing in disguise as I am much more exposed than I could have if everything was given on a silver platter. I also have a great collection of materials from researching widely. Still for the sake of validity and reliability in testing it is good to test what has been taught and to let the course participants preview some of what they may face. The inability to directly interface with individual staffs and coursemates is very frustrating. Can that be remedied? I look forward to enrolling for 6.002.3x when it is offered in the future.