Differential Pair Impedance Calculator
  Calculates the differential pair impedance of a balanced line.

  Trace / Via Current Calculator & DC Resistance Calculator
  Calculates the current a conductor needs to raise its temperature over ambient
  per IPC formula. Now also calculates DC resistance with temperature compensation.

  Simple Padstack Calculator
  Calculates the outer and inner layer diameters of a padstack given the drill size.

  Mechanical Data
  Calculates wire diameter for a given AWG gauge.

  Minimum Conductor Spacing Chart
  Calculates minimum conductor spacing's using peak AC or DC voltage based on IPC data.

  Revision History:
  Version 2.1 Fixed image positioning in via calculator.
  Version 2.0 Added conductor spacing chart and improved program functionality.
  Version 1.94 corrected typo in the Signals program.
  Version 1.93 Fixed missing percentage display in differential pair calculator.
  Version 1.92 corrected typo in the Signals program.
  Version 1.91 added frequency domain option in the Signals program, fixed typo.
  Version 1.9 added functionality to the via calculator inputs.
  Version 1.8 corrected typo in the Signals program.
  Version 1.7 contains added drill sizes to the padstack calculator.
  Version 1.6 contains a bug fix in the differential pair calculator when using metric units.

  Please check back often, this program is updated often per customer requests.

  What would you like to see in this program? Tell us now!