
Free Space Path Loss Calculator
Calculate Free Space Path Loss (FSPL) instantly for any frequency and distance. Learn the FSPL formula, how it works, and how to use it for RF planning. Includes advanced link budget options.
Schematic & Gerber restoration
MCU/CPLD code restore access & backup
1:1 exact hardware replication
BLE & Classic BT wireless solutions
Precision PID & thermal management
High-efficiency motor drive control
Industrial RS485/RTU communication
Custom STM32/ESP32 firmware & HW
Calculate the PCB trace width based on temperature rise, current, and copper thickness (IPC-2152).
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.

Calculate Free Space Path Loss (FSPL) instantly for any frequency and distance. Learn the FSPL formula, how it works, and how to use it for RF planning. Includes advanced link budget options.

Calculate the correlation between antenna height and signal gain with this professional online tool. Determine how elevating your antenna affects signal coverage, path loss, and communication range. Essential for RF engineers and ham radio operators looking to optimize wireless link performance and overcome obstacles.

Calculate total thermal resistance (R-value) and U-value for composite wall assemblies. Features multi-layer modeling and a library of material properties.

Calculate gain for inverting, non-inverting, differential, and summing op-amps. Features circuit diagrams, formulas, and a gain-bandwidth product visualizer.

Calculate the capacitance of a cylindrical capacitor with our interactive tool. Explore the formula, derivation steps, and real-world uses like coaxial cables.

Calculate the available short-circuit current at any point in your electrical system to ensure safety, select the correct equipment, and maintain compliance.

Calculate RC and RL circuit time constants (τ) and 5τ values. Visualize charging and discharging curves with our interactive chart for electronics design.

Calculate resonant frequency, Q factor, and bandwidth for series and parallel RLC circuits. Includes an interactive frequency response chart and core formulas.