Readers of this blog know that I'm fascinated by everything around switched amplifiers. The core piece of every switched amplifier is a voltage comparator. Today I'll write about a comparator design based on an oscillator. The simplest voltage comparator compares two input voltages A and B and outputs a high voltage is A > B … Continue reading Voltage comparator with oscillator
Month: Jun 2020
The improbable fallacy
TL;DR: probabilities are so darn counter-intuitive, that one should not rely on "99% accuracies". Imagine you seek out your doctor because of a chronic case of hypochondria. All tests covered by your insurance turn out negative and your doctor tells you to man up and live with it. Being a House M.D. fan you refuse … Continue reading The improbable fallacy