Highfields Amateur Radio Club
Constructors Corner.

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Calculators & Converters Page.
Hopefully this section will grow as time goes on. Your input would be appreciated.

Disclaimer: Highfields Amateur Radio Club, its committee and members can not be held responsible for any circuits, projects or other data submitted here. All information is hosted in good faith and, where possible, checked for inaccuracy, but this is no guarantee.

Some of these Calculators & Converters require
Java enabled browsers, these are marked with (J).

Antenna Related Calculators.


Coax Length
Calculator.(J).
Simple Dipole
Frequency to Length
Calculator.(J).
J-Pole
Frequency to Dimensions
Calculator.(J).
Quad-beam
Calculator.(J).

Capacitor Related Calculators & Converters.

Capacitor 3 Digit
Code Decoder.(J). 		Series / Parallel
Capacitor
Calculator.(J). 		Capacitor
Charge / Energy
Calculator.(J). 		Capacitor
Reactance.

Capacitance
Unit Converter.(J).

Inductor Related Calculators & Converters.

Inductor Code
Converter
Colours to Value.(J). 		Inductor Code
Converter
Value to Colours.(J). 		Inductor Reactance
Calculator.

Resistor Related Calculators & Converters.

4-Band Resistor
Code Converter
Colours to Value.(J). 		4-Band Resistor
Code Converter
Value to Colours.(J). 		5-Band Resistor
Code Converter
Colours to Value.(J). 		5-Band Resistor
Code Converter
Value to Colours.(J).

Series / Parallel
Resistor Calculator.(J).
Potential
Divider
Calculator.(J).
LED Series
Resistor Calculator.(J).

Other Calculators and Converters.

Ohms Law
(V I R).
Calculator(J). 		Power (Watts)
(I V W).
Calculator(J). 		Evaluate known Heatsink surface area. Calculate the required Heatsink surface area.

Calculate
Voltage Drop
in a wire.(J).

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