Capacitive discharge welder - All About Circuits
Aug 2, 2016 · Hello All, I am trying to build a simple capacitive builder. Part of the circuit is shown as below The gate drive gets signal from a microcontroller. The pulse time can be varied between 10 - …
Capacitive touch trigger as an isolated system - All About Circuits
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 …
What is the capacitive load? - All About Circuits
Mar 4, 2024 · What is the capacitive load and how can capacitive load be simulated? I want to monitor the current and voltages in the simulation by powering a capacitive load from the battery, but I am …
How does the Colpitts oscillator works? | All About Circuits
Apr 24, 2025 · Hello everyone! I'm trying to understand how the Colpitts oscillator works. Could someone explain the roles of the capacitors labeled C and C3 in the circuit? What are they used for? …
Best Way to Activate a Touch Switch Without Touching It
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 …
Adjusting the electrical length of antennas - All About Circuits
Jun 18, 2025 · This capacitive reactance can be compensated for by introducing a lumped-inductive reactance, as shown in view A. Similarly, if the antenna is too long for the transmitting frequency, it …
What constitutes a "capacitive" load? | All About Circuits
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 …
Xc vs. Xl reactance - All About Circuits
Nov 5, 2009 · The Inductive reactance and the capacitive reactance were summed, and if I recollect, we used the Pythagorean theorem to calculate the total impedance. -- I might be wrong about this …
Why capacitive reactance reduces inductive reactance (by intuition ...
Dec 2, 2022 · I understand why capacitive reactance reduces inductive reactance mathematically, having a result of zero at resonant frequency. But how to physically explain the flow of electrons in a …
Finding Capacitance Required To Produce A given Reactance
Nov 6, 2021 · I am confused on a textbook I have. It suggests that if I know the frequency of a circuit and the required capacitive reactance, that I use the same formula to calculate capacative reactance but …