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Rectangular cross section conductor resistance calculator

Calculator Index

This Index is for calculators written in JavaScript which will function in most modern browsers. A separate index is provided for  VBScript Calculators Further calculator information is available in About our calculators

ac Networks
A useful collection of calculators giving the impedance and reactance of simple ac networks.

Amplifier dc Conditions
Determines the dc conditions of a variable configuration amplifier.

Characteristic Impedance
Computes Delay, Velocity Factor, Effective Dielectric Constant and Characteristic Impedance of a PCB track.

Circular Capacitor
For a parallel plate, circular capacitor, showing the formula by Kirchhoff.

Coplanar Waveguide With Ground
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
With equations, for solving Elliptic Integrals of the First Kind.

Flat Wire Inductor
For a flat wire, ribbon or PCB track, showing the formula used.

Inverting Schmitt Trigger
For an Op-Amp in an inverting configuration, showing the formulas used.

Matching Pi Attenuator
A two part calculator which gives ideal and preferred value resistors, showing most formulas used and a link to the others.

Matching T Attenuator
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
Used for calculating the Zo of PCB transmission lines, showing the formula used.

Microstrip Characteristic Impedance
Uses a formula from an article by Rick Hartley and shows the formula used.

Microstrip Characteristic Impedance, Using The IPC-2141 Formula
Uses a formula from an article by Polar instruments, showing the formula used.

PCB Sample Size Calculator for Relative Dielectric Constant Measurements
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
Gives resistor values, attenuation, 'impedance', reflection coefficient, VSWR and return loss of a Pi attenuator.

Rectangular Capacitor
For a rectangular parallel plate capacitor with edge effect, showing the formula used.

Rectangular Conductor Resistance
For a rectangular cross section conductor such as a PCB track, showing the formula used.

Relative Dielectric Constant Calculator for a Circular Capacitor
Based on a formula by Kirchhoff for a circular capacitor, showing the equations used.

Resonance
For a capacitor / inductor tank circuit, showing the formula used.

Return loss and mismatch loss
Active return loss and mismatch calculator with results for absolute impedance, return loss, VSWR, reflection coefficient and mismatch loss

RF Trap With Attenuators
Computes attenuation, return loss, reflection coefficient and VSWR . This calculator is specific to the circuit used in the RF Trap With Attenuators FLEXI-BOX.

Round Wire ac Resistance
Gives the ac resistance of a round straight wire using common conducting materials.

Round Wire Impedance
Gives the impedance of a round straight wire using common conducting materials.

Round Wire Inductance
Gives the inductance of a round straight wire using common conducting materials.

Round Wire dc Resistance
Gives the dc resistance of a round straight wire using common conducting materials.

Schmitt Trigger
A two part calculator which gives ideal and preferred value resistors, showing formulas used.

Skin Effect Depth
Calculates the skin effect depth for copper at a particular frequency.