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

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

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

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

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 When you have an electric field in one component (a capacitor) swapping energy with a magnetic field in another component (coils), … Read More

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

There is one equation that serves as one practical design tool. The RC high pass cutoff frequency calculator makes a single equation a useful bench … Read More

In the analog world of electronics, we have a device called an RC low pass filter. It’s an electronic circuit that uses basic components: A … Read More

Enter your cap and resistor values into the RC time constant calculator and it will tell you what time constant (tau) are. But more importantly, … Read More