Capacitor Ripple Voltage Calculator – Vpp, Vrms & ESR
The transformer is humming on the bench because you built a power supply. You soldered in a big old electrolytic capacitor from an old computer … Read More
JSCalc
Parallel Inductance Calculator – Total Inductance of Coils
One question that trips up nearly every power-supply or filter design: What single inductance does it behave like if coils are placed in parallel and … Read More
Series Inductance Calculator – Add Coils in Series with Coupling
Got a box of inductors? Need a certain value that isn’t in the box? Wire ’em all together and hope for the best, right? One … Read More
Impedance Magnitude Calculator – Series RLC |Z| and Phase
When looking at an AC circuit schematic, you might feel like resistance is lying to you, but impedance is actualy the quantity that captures everything … Read More
Inductive Reactance Calculator – XL = 2 pi f L for Coils
Until you pass an alternating current through a coil of wire, that’s just copper wire. When you pass current through it, the coil oppose changes … Read More
Capacitive Reactance Calculator – Xc = 1/(2 pi f C)
This is a capacitive reactance calculator. This is another useful calculator based off a basic relationship among AC electronics. Xc is capacitive reactance, or how … Read More
Capacitor Energy Storage Calculator – Joules, Charge & Runtime
What’s in there? What does this capacitor hold? Is it large enough to fire off a camera bulb or sustain your microcontroller through a power … Read More
LC Resonant Frequency Calculator – Find f0, L, C and Z0
This LC resonant frequency calculator provide an immediate solution for a key formula used in filters and radio design. When you put a single capacitor … Read More
RLC Resonant Frequency Calculator: f0, Q, Bandwidth
RLC Resonant Frequency Calculator When you have an electric field in one component (a capacitor) swapping energy with a magnetic field in another component (coils), … Read More
RL Time Constant Calculator – Tau, Current Rise and Decay
Physics doesn’t like rapid changes in current so there’s some waiting around required for an RL circuit which we’ll call RC for now, since I’m … Read More