Home : Technical Reference : Calculators

## Calculators Links

- Air cored inductor calculator
- Online calculator for Input coil data, LC Resonant Frequency and L match
[ Hits: 391 | Votes: 0 | Rating: 0 ]
- Amateur Radio RF Safety Calculator
- University of Texas Amateur Radio Club RF-Calculator. This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations
[ Hits: 6034 | Votes: 27 | Rating: 7.89 ]
- Capacitance Calculator
- An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant
[ Hits: 214 | Votes: 0 | Rating: 0 ]
- Coil Inductance Calculator
- Calculate the inductance of a single-layer, air-core coil.
[ Hits: 4412 | Votes: 24 | Rating: 5.3 ]
- DB Watts EIRP Calculator
- Online calculator, to convert dbWatts to Watts and vice-versa, or ERP and EIRP by G4URH
[ Hits: 634 | Votes: 14 | Rating: 4.15 ]
- dbm Calculator
- The dbm online calculator and reference table for 50 Ohm
[ Hits: 540 | Votes: 8 | Rating: 5.12 ]
- Electrical Calculators Online
- Electrical and electronics online calculators by Calculatoredge.com
[ Hits: 444 | Votes: 3 | Rating: 2 ]
- Electronic calculator
- Some simple electronics calculator in javascript
[ Hits: 893 | Votes: 3 | Rating: 5.67 ]
- FIlters calculator
- Passive Band-Pass Filter, low-pass filter calculator
[ Hits: 371 | Votes: 1 | Rating: 2 ]
- Impedance Matching Network Designer
- An online multiple calculator of 16 impedance matching networks
[ Hits: 329 | Votes: 3 | Rating: 7.33 ]
- Inductor Calculator
^{updated}- Calculate inductance online, with the cylindrical Coil Inductor Design Equations Formulas Calculator[ Hits: 246 | Votes: 1 | Rating: 1 ] - LCF Calculator
- LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
[ Hits: 2560 | Votes: 33 | Rating: 3.97 ]
- Mini Ring Core Calculator
- The easy way to calculate toroid cores.
[ Hits: 1758 | Votes: 13 | Rating: 5.15 ]
- mW to dBm Calculator
- Online calculator that will convert power entered in milliwatts to dBm. Includes a quick mW to dBm conversion table
[ Hits: 45 | Votes: 0 | Rating: 0 ]
- Online Calculators for Radio & Electronic Design
- Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.
[ Hits: 1860 | Votes: 3 | Rating: 9.33 ]
- Online dBm to watts conversion
- dBm to watts conversion calculator and explaination on how to convert dBm to watts, including dBm to watts conversion table
[ Hits: 103 | Votes: 1 | Rating: 10 ]
- Online Inductive Reactance Calculator
- An online inductive reactance calculator, accepts as input Frequency and Inductance
[ Hits: 67 | Votes: 0 | Rating: 0 ]
- Online Toroid Multi Calculator
- This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator
[ Hits: 141 | Votes: 1 | Rating: 5 ]
- Resistor calculator
- This resistor calculation tool shows which combinations of two resistors, series or parallel, gives a match better than the closest standard value.
[ Hits: 252 | Votes: 0 | Rating: 0 ]
- Resonant Frequency Calculator
- This web based application will compute circuit values required for an L-C circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.
[ Hits: 1732 | Votes: 8 | Rating: 5.12 ]
- RF Attenuator Calculator
- This is an on-line rf attenuator calculator provided free in order to promote the FLEXI-BOX. Calculates the resistor values, attenuation, minimum attenuation, impedance, reflection coefficient, VSWR and return loss of a matching Pi attenuator
[ Hits: 369 | Votes: 3 | Rating: 6.33 ]
- RF Impedance Matching Calculator
- Calculates the network to match a line to a specific complex load. This online tool calculates the matching network necessary to terminate a line of the specified characteristic impedence Zo in a specific complex load impedence RL + jXL at a specified frequency.
[ Hits: 120 | Votes: 1 | Rating: 10 ]
- Single-layer Coil Inductance and Q Calculator
- This calculator ask as input diameter, lenght turn and frequencu and will return L and Q
[ Hits: 360 | Votes: 3 | Rating: 7.33 ]
- T-Pad / H-Pad Resistance Calculator
- This calculator is designed to give resistor values for unbalanced T-pads, and for balanced H-pads.
[ Hits: 1120 | Votes: 11 | Rating: 4.99 ]
- Variometer Design
- Online variometer calculator by IN3OTD
[ Hits: 327 | Votes: 0 | Rating: 0 ]

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The DXZone is the largest human created and maintained library of web sites dedicated to Amateur Radio, currently lists 20.000+ links organized into 600+ categories and subcategories. Ham Radio operators review new sites every day since 1998, for potential inclusion in the Directory, and to evaluate the best place to list them.

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