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Kioan's calculator for building a Cantenna , directional waveguide antenna for long-range Wi-Fi

Mic online calculator , Microphone Dynamic Range Calculator, Microphone Sensitivity Calculator

This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between 1 and 50 MHz. Manufacturer data for complex permeability, magnetic dimensions, and saturation flux density must be available. Some core types which are commonly used in amateur transmission are included. The program produces limiting winding voltages for linear operation and temperature rise over the range of frequencies and power specified.

Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range.

This article explains how LoRa parameters impact data rate and range when setting up a LoRa transceiver. It covers the basic concepts needed to understand different LoRa parameters and their effects on modulation. By adjusting parameters, you can achieve fast data transfers or extend transmission range. The post also offers a calculator to determine on-air bitrate based on input parameters. Understanding LoRa parameters is crucial for optimizing performance and achieving desired communication outcomes.