EDN

Wide-range tunable RC Schmitt trigger oscillator

The classic Schmitt-trigger-based RC oscillator is "hacked" and analyzed using the simulation software QSPICE.
IEEE

A CMOS Timer-Injector Integrated Circuit for Self-Powered Sensing of Time-of-Occurrence

Abstract: Self-powered sensing of the time-of-occurrence of an event is challenging, because it requires access to a reliable time reference or a synchronized clock. In this paper, we propose for the ...
elektormagazine

Circuit: DIY Fitness Timer

Unlock smarter workouts with a programmable fitness timer that guides your reps, rest periods, and routines with intuitive tones and an OLED interface. Built around a compact D1 mini Pro and fully ...
IEEE

555-Timer and Comparators Operational at 500 °C

Abstract: This paper reports an industry standard monolithic 555-timer circuit designed and fabricated in the in-house silicon carbide (SiC) low-voltage bipolar technology. This paper demonstrates the ...