Radio Frequency calculators 
3Pole Butterworth
Characteristic Bandpass Filter Calculator 3Pole Butterworth
Characteristic Bandpass Filter Calculator 
AirCore
SingleLayer Coil Air Core Coil Design 
Bessel function
calculator 
Bessel Function Calculator 
Calculation radio wave propagation for Wireless LAN (WLAN)
radio wave propagation for Wireless LAN (WLAN) 
Conversion
between dBm  dBW  W and dBuV  dBV  V 
Conversion
Voltage V to dBu, dBV, and dBm 
Conversion
between field strength and received power conversions between electric
field strength (E), magnetic field strength (H) and power density (S). 
Decibel
Conversion Calculator Converts various values referenced to/from
decibels 
Decibel Conversion Calculator
Decibel Conversion Calculator 
Decibels
calculator
Antenna Gain calculator, Voltage Gain calculator, Decibels
calculator, dbW calculator, 
Electro magnetic waves EMG collection of java applets about
electromagnetic waves,
a tip 
Field
strengths, equivalent area and received
power conversions between electric field strength (E), magnetic field
strength (H) and power density (S). Conversions between frequency (f),
wavelength and equivalent antenna area (Ae) 
Fresnel Zone Fresnel Clearance Zone 
Fresnel zone
Fresnel Zone Boundary Calculator,
Calculates the gain, focal point, and radiation distances for parabolic
dishes 
Gray line map program 
Isotropic losses of
free space radiation Isotropic losses of freespace radiation
calculator 
Matching T Attenuator Calculator
Calculates the resistor values,
attenuation, minimum attenuation, impedance, reflection coefficient, VSWR
and return loss of an impedance matching T attenuator 
Microwave Impedance Calculator this applet allows the user, for a given
impedance (or vice versa) to calculate transmission line losses and
temperature rise, obtain line widths calculations for stripline and
microstrip circuits 
PI network calculator 
Pi Network Designer
Enter source impedance Ohms, Enter load impedance Ohms, Enter desired Q,
Enter the operating frequency 
Pi & Tee
Network Resistive Attenuation Calculator “PI” and “T” Network
Attenuators (also known as PAD attenuators) are simple networks to attenuate
an RF signal with or without altering the impedance 
Pi & Tee Network
Resistive Attenuation Calculator
Pi & Tee
Network Resistive Attenuation Calculator 
PLL software
PLL Loop Filter Design Program 
Quadripôle
adaptateur d’impédance en Français 
Quarter Wave Line Matching Transformer
This page allows you to calculate the impedance required for a 1/4 wave
(electrical) section of line. To calculate the electrical length of the line
you need to multiply the velocity factor of the line (available from the
supplier of the line) by the free space length of 1/4 wave 
Radiated Power
Calculator ERP, EIRP & dBuV/m 
RF Calculator
Radio and RF units conversion/JavaScript application,
Conversion calculator from Watt to dBm and from dBm to Watt, ...,
a tip 
RF calculator
V/m, A/m, dBm & mw/cm^{2} 
RF Calculators 
RF Pi Network Designer
C, L, C 
Smith chart
display a sequence of normalized impedance, admittance or reflection
coefficient in a circle of unity radius commonly known as a Smith Chart,
Smith Chart for Viewing User Supplied Impedance / Admittance / Reflection
Coefficient Data 
Smith chart 
Terrestrial
Distance & Bearing Calculator
Calculates the distance and bearing between two geographic points 
Terrestrial Distance &
Bearing Calculator Calculates the distance and bearing between two
geographic points,
Terrestrial Distance & Bearing Calculator 
Tuned RLC Circuit
calculator Tuned RLC Circuit calculator, Two variables are required
(besides coil resistance) for each calculation. If two variables are set
without resistance, resistance is taken as zero. If resistance is zero, the
answers are for both series and parallel circuits. If resistance is not
zero, the answers given are for a parallel circuit 
Voltage to Power Conversion Calculator Voltage to Power Conversion Calculator,
Converts power into another form for a given impedance and waveform 
VRMS / dBm / dBu / dBV calculator A utility to convert between standard
units of power measurement and signal strength 
VSWR
calculator
This calculator is designed to model the common configuration
where a transmitter which is designed for a particular load impedance, is
connected to a an antenna of that impedance, over transmission line of the
same characteristic impedance 
VSWR
calculator 
VSWR 
return loss  reflection coefficient conversions between VSWR  return
loss  reflection coefficient 
Horizontaal 

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Last updated on:
20110102

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