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  1. 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 - …

  2. 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 …

  3. 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? …

  4. Can the center frequency of any RLC circuit be anything other than (LC ...

    Dec 13, 2024 · Is there any simple circuit with Single RLC components which has resonant frequency not equal to (LC)^-1/2? Can someone please help with such examples?

  5. Capacitive touch buttons not seeing touch - All About Circuits

    Oct 13, 2018 · This can be do to a lot of factors: your fingers are dirty/wet/in scars. The capacitance of the object to touch with (fingers) is not high enough. As far as I guess, these displays check the …

  6. 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 …

  7. 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 …

  8. Phase Angle between voltage and current - All About Circuits

    Jun 30, 2008 · In a capacitive circuit the current is said to lead the voltage although the reality is slightly different because a current happening before a voltage is applied is crazy. The truth is a negative …

  9. Capacitive Voltage Divider - Downsides? - All About Circuits

    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 …

  10. 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 …