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RF Calculators free


Characteristic Impedance Calculator for the Measurement of PCB Tracks and Coaxial Cables Using a Vector Network Analyser
An active calculator which computes Delay, Velocity Factor, Effective Dielectric Constant and Characteristic Impedance of a PCB track.
Circular Capacitor Calculator
Active calculator for a parallel plate, circular capacitor, showing the formula by Kirchhoff.
Coplanar Waveguide With Ground Calculator
Active calculator for Coplanar Waveguide with ground or Microstrip lines with signal side ground plane, showing the formula by Brian C Wadell.
Elliptical Integrals of the First Kind Calculator
Active calculator with equations for solving Elliptic Integrals of the First Kind.
Flat Wire Inductor Calculator
Active calculator for a flat wire, ribbon or PCB track showing the formula used.
Matching Pi Attenuator Calculator
A two part calculator which gives ideal and preferred value resistors, showing most formulas used and a link to the others.
Matching T Attenuator Calculator
A two part calculator which gives ideal and preferred value resistors, showing most formulas used and a link to the others.
Microstrip Characteristic Impedance Calculator Using a Formula by Brian C Wadell
An active calculator based on a formula by Brian C. Wadell. Used for calculating the Zo of PCB transmission lines, showing the formula used.
Microstrip Characteristic Impedance Calculator
Active calculator using a formula from an article by Rick Hartley, showing the formula used.
Microstrip Characteristic Impedance Calculator Using The IPC-2141 Formula
Active calculator using a formula from an article by Polar instruments, showing the formula used.
PCB Sample Size Calculator for Relative Dielectric Constant Measurements
An active calculator which selects the optimum size for a circular plane on a PCB. This is used for making relative dielectric constant measurements using a Vector Network Analyser.
Pi Attenuator Calculator
Active calculator for resistor values, attenuation, ‘impedance’, reflection coefficient, VSWR and return loss of a Pi attenuator.
Rectangular Capacitor Calculator
Active calculator for a rectangular parallel plate capacitor with edge effect, showing the formula used.
Relative Dielectric Constant Calculator for a Circular Capacitor
Active calculator based on a formula by Kirchhoff for a circular capacitor, showing the equations used.
Resonance Calculator
Active calculator for a capacitor / inductor tank circuit, showing the formula used.
Return loss and mismatch loss Calculator
Active return loss and mismatch calculator with results for absolute impedance, return loss, VSWR, reflection coefficient and mismatch loss
RF Trap With Attenuators
Active calculator with attenuation, return loss, reflection coefficient and VSWR . This calculator is specific to the circuit used in the RF Trap With Attenuators FLEXI-BOX.
Skin Effect Depth
Active calculator which calculates the skin effect depth for copper at a particular frequency.
Spreadsheet
An Excel spreadsheet with many simple calculations in ‘blocks’ that can be built up into fairly complex calculations by simply making the input cell of any block equal to the result of any other block. There are no locks on any of the cells and this spreadsheet could make good raw material for building your own personal version.
T Attenuator Calculator
Active calculator for resistor values, attenuation, ‘impedance’, reflection coefficient, VSWR and return loss of a T attenuator.

from Chemandy





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