RF, UAV, and Electronics Engineering Calculators

RF / Spectrum Planning ITU Emission Designator Calculator Format necessary bandwidth and classify an emission using the ITU Appendix 1 designator system. Beta RF / Antennas Parabolic Dish Gain Calculator Estimate parabolic dish gain, beamwidth, wavelength, and effective aperture from frequency, diameter, and efficiency. Beta RF / Receiver Planning Modcod Receiver Sensitivity Calculator Estimate required receive power, occupied bandwidth, and BER performance for common modulation and coding combinations. Beta RF / Planning RF Link Budget Calculator Estimate free-space path loss and received signal level for quick field planning. Beta RF / Power dBm / Watts Converter Convert RF power between dBm, watts, milliwatts, and microwatts. Beta RF / Propagation Material Signal Attenuation Calculator Sweep signal attenuation through air, water, PVC, and other materials across a frequency range. Beta RF / Receiver Noise Friis Noise Formula Calculator Cascade gain and noise figure stages to estimate total receiver noise figure and equivalent input noise temperature. Beta RF / PCB Couplers Quarter-Wave Edge-Coupled Microstrip Calculator Estimate quarter-wave directional coupler length from frequency, PCB dielectric, substrate height, and trace width. Beta UAV / Power UAV Battery Endurance Calculator Estimate usable flight time from battery capacity, voltage, average current, and reserve. Sample UAV / Propulsion Motor KV / Prop Sizing Calculator Size a first-pass motor, battery, and prop combination from weight, thrust target, KV, and prop geometry. Sample Power / Energy Harvesting Peltier Thermoelectric Generator Calculator Estimate open-circuit voltage, loaded output power, and conversion efficiency from a Peltier module used as a thermoelectric generator. Beta Power / Energy Harvesting Parabolic Mirror Heating Temperature Calculator Estimate solar concentration, absorbed heat, and steady receiver temperature for a parabolic mirror heater. Beta