Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

Abstract: A phase-locked loop (PLL) utilizing a single ring oscillator-based integrator and background frequency calibration is presented. The in-band phase noise and power efficiency of the PLL are ...