Point-to-Point Wireless Distance
Calculate point-to-point wireless range and Fresnel zone clearance. Explore how frequency, power, and antenna gain affect distance for various link technologies.
October 5, 2025
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
Capacitance Charge Calculator
Easily calculate between charge (Q), capacitance (C), and voltage (V) with our interactive tool. Learn core capacitor concepts and visualize the Q=CV relationship.
September 28, 2025
RF Line of Sight
Model wireless link viability with our RF line of sight tool. Calculate Fresnel zone clearance and Earth bulge effects to ensure reliable point-to-point signals.
September 24, 2025
Wheatstone Bridge Calculator
Instantly calculate the unknown resistance in a balanced Wheatstone bridge. Input three known values to find the fourth. The circuit diagram updates in real-time to reflect the bridge’s state.
September 23, 2025
Noise Figure Calculator
Calculate cascaded noise figure and total gain using the Friis formula. Features multi-stage analysis, noise contribution charts, and RF system core concepts.
September 22, 2025
555 Timer Calculator
Easily calculate the output parameters for both Astable and Monostable 555 timer circuits. This online tool provides instant results for frequency, period, duty cycle, and pulse width based on your resistor and capacitor values. Perfect for rapid electronic circuit prototyping and design.
September 19, 2025
Wavelength Calculator
Convert frequency to wavelength, wavelength to frequency, or energy to wavelength. Features include electromagnetic spectrum visualization, formulas, and examples.
September 16, 2025
Transformer kVA Calculator
Calculate transformer kVA ratings for single-phase and three-phase systems. Includes formulas, step-by-step sizing guides, and practical application examples.
September 11, 2025
Coaxial Cable Impedance Calculator
Use this tool to calculate the characteristic impedance of a coaxial cable from its physical dimensions. Learn the formula, standard values, and the importance of impedance matching.
August 21, 2025
Friis Transmission Calculator
Calculate received power, distance, and antenna gain with our Friis Transmission Calculator. Includes free-space path loss and logarithmic formulas for RF design.
August 17, 2025