Radio and Electronics Formulae

a quick reference for those radio and electronics formulae or formulas for calculations that are so easily forgotten

There is a huge number of formulae, formulas or calculations that appear in radio and electronics circuits and other areas of radio and electronics. Everything from calculating the capacitors in series and parallel, through the charge on capacitors, and flux in inductors through to calculations about signals in feeders and the like. They are all important and often difficult to remember. This section of Radio-Electronics.Com aims to provide a quick and easy reference for them.

Resistors

• Resistors in series and parallel and a table of resistors in parallel
• Table of resistivity and temperature coefficient of resistance for various materials

Capacitors and capacitance

• Dielectric constant and permittivity

Decibels

• Table of decibel values for power, voltage and current
• Conversion table for dBm dBW and power measured in watts

Mathematical Functions

• Trigonometrical functions
• Hyperbolic functions
• Mathematical series
• Mathematical constants
• Fourier series

Physical constants and other data

• Fundamental physical constants
• Derived physical constants
• SI base units
• SI / Metric Prefixes chart
• Metric / Imperial conversions chart

For more information and data plus much more on topics relating to RF visit: RF Cafe