Elektor 311 Circuits Instant

Before affordable digital multimeters included these functions, this was a must-build. It used a Wien bridge oscillator and a moving-coil meter to measure difficult components. For RF hobbyists, this specific circuit is still hunted down today.

Since the original Elektor 311 Circuits (often referred to as the Elektor 301 Circuits —later updated/expanded editions exist) is a legendary, almost mythical book in the electronics hobbyist world, this post focuses on its legacy, what makes it special, and why it remains relevant 40+ years later. elektor 311 circuits