(Formerly numbered 115DB.) Lecture, one hour; laboratory, three hours; outside study, eight hours. Enforced requisite: course 115DA. Limited to senior Electrical Engineering majors. Design of analog circuits, components and systems, emphasizing theoretical foundations and hands-on experience. Design of key analog and digital building blocks according to given specifications or in the form of open-ended problems. Introduction to advanced topics related to projects through lectures and laboratories. Creation by students of end-to-end systems in application context, managing trade-offs across subsystems while meeting constraints and optimizing metrics related to cost, performance, ease of use, manufacturability, testing, and other real-world issues. Professional technical writing instruction and assignments. Professional technical writing instruction on assignments. Oral and written presentations of project results are required. Completion of projects begun in course 115DA. Satisfies Writing II requirement. Letter grading.