Apr 25, 2022 · The problem with getting higher current out of a simple capacitive dropper is the inherent conflict between two operating conditions: 1) Inrush current, discharged capacitor, peak voltage …

Nov 3, 2020 · In a reactive load, the inductive reactance and the capacitive reactance have the opposite sign. So if the inductive reactance is 10 Ω, and the capacitive reactance is 12 Ω. then the load is …

Jan 21, 2020 · A capacitive touch sensor works by detecting the capacitance between the sensor and circuit common of the power supply. Grounding the supply common gives a large ground plane …

Oct 17, 2009 · Capacitive voltage dividers are really only usable for AC circuits. Capacitors block DC, and pass the effects of AC. However, attempting to use capacitors in the place of transformers to …

Jul 19, 2023 · Because a capacitive load affects the frequency response of the control loop, and is likely to cause instability in a power supply which has inadequate phase margin.

Oct 12, 2023 · FTC334F is a professional capacitive touch button processing chip. It adopts the latest high-precision digital capacitance measurement technology and can prevent various interferences, …

Jan 6, 2016 · The capacitive humidity sensors I played with a long time ago used a thin plastic sheet that changes thickness with changes in humidity. The surfaces of the plastic were metalized to make …

Apr 17, 2024 · Hello there, I'd like to activate a touch switch electronically. It's a capacitive type switch. There can be no wires connected to the capacitive switch, it must come from something completely …

Apr 16, 2019 · This question is academic insofar as I am assuming a circuit with no inductance. In a circuit having only passive capacitive elements, when driven with a square wave--is it possible to …

Jun 2, 2019 · I need a way to trigger a capacitive touch screen device (like a tablet) using an isolated system without touching it. For example a kid places a small gadget on a tablet screen and the …