EDN

Building a low-cost, precision digital oscilloscope – Part 2

In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Three ...
Princeton University

Bede Liu, pioneer in digital signal processing and beloved mentor, dies at age 91

Bede Liu, an emeritus professor of electrical engineering and a pioneer in digital signal processing, died on May 7. He was 91. Liu’s pathbreaking research aided the transition from analog to digital ...
EDN

Building a low-cost, precision digital oscilloscope—Part 1

A digital oscilloscope is one of the most essential pieces of equipment for high school electrical and electronic labs. As useful and popular as it is for high schoolers, the cost of an oscilloscope ...