Calculators
Online calculators
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Most Popular- 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 - Coil Inductance Calculator
Calculate the inductance of a single-layer, air-core coil. - LCF Calculator
LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance - Coil Inductance Calculator
Approximate Air Coil Inductance Calculator - Online Calculators for Radio & Electronic Design
Online calculators for toroid coil, air-core coil inductance, XL, XC, and more. - Air cored inductor calculator
- Online calculator for Input coil data, LC Resonant Frequency and L match
[ Hits: 233 | Votes: 0 | Rating: 0.00 ]
- 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: 5692 | Votes: 26 | Rating: 7.81 ]
- Capacitance Calculator
- An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant
[ Hits: 111 | Votes: 0 | Rating: 0.00 ]
- Capacitor kVAr calculator
- Online calculator to determine the Capacitor kVAr required to improve the power factor from cos 01 to cos 02 with your present kW load
[ Hits: 1242 | Votes: 46 | Rating: 5.02 ]
- Coil Inductance Calculator
- Approximate Air Coil Inductance Calculator
[ Hits: 2134 | Votes: 8 | Rating: 4.37 ]
- Coil Inductance Calculator
- Calculate the inductance of a single-layer, air-core coil.
[ Hits: 4112 | Votes: 24 | Rating: 5.30 ]
- Convert power levels between Watts, dBW and dBm
- Online calculator that allows to enter one value either in dBW, dBm or W and it will calculate the two other values
[ Hits: 202 | Votes: 3 | Rating: 1.67 ]
- DB Watts EIRP Calculator
- Online calculator, to convert dbWatts to Watts and vice-versa, or ERP and EIRP by G4URH
[ Hits: 522 | Votes: 14 | Rating: 4.15 ]
- dbm Calculator
- The dbm online calculator and reference table for 50 Ohm
[ Hits: 442 | Votes: 8 | Rating: 5.12 ]
- Electrical Calculators Online
- Electrical and electronics online calculators by Calculatoredge.com
[ Hits: 346 | Votes: 2 | Rating: 2.00 ]
- Electronic calculator
- Some simple electronics calculator in javascript
[ Hits: 810 | Votes: 3 | Rating: 5.67 ]
- FIlters calculator
- Passive Band-Pass Filter, low-pass filter calculator
[ Hits: 290 | Votes: 1 | Rating: 2.00 ]
- Impedance Matching Network Designer
- An online multiple calculator of 16 impedance matching networks
[ Hits: 197 | Votes: 2 | Rating: 6.00 ]
- Inductor Calculator
- Calculate inductance online, with the cylindrical Coil Inductor Design Equations Formulas Calculator
[ Hits: 150 | Votes: 0 | Rating: 0.00 ]
- LCF Calculator
- LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
[ Hits: 2293 | Votes: 31 | Rating: 3.87 ]
- mini dB Calculator
- dB-Calculation for the experimenting radio amateur.
[ Hits: 1065 | Votes: 5 | Rating: 6.00 ]
- Mini Ring Core Calculator
- The easy way to calculate toroid cores.
[ Hits: 1409 | Votes: 11 | Rating: 5.18 ]
- Online Calculators for Radio & Electronic Design
- Online calculators for toroid coil, air-core coil inductance, XL, XC, and more.
[ Hits: 1678 | Votes: 2 | Rating: 10.00 ]
- 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: 174 | Votes: 0 | Rating: 0.00 ]
- 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: 1619 | Votes: 7 | Rating: 5.57 ]
- 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: 163 | Votes: 0 | Rating: 0.00 ]
- Single-layer Coil Inductance and Q Calculator
- This calculator ask as input diameter, lenght turn and frequencu and will return L and Q
[ Hits: 287 | 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: 1029 | Votes: 10 | Rating: 5.29 ]
- Variometer Design
- Online variometer calculator by IN3OTD
[ Hits: 258 | Votes: 0 | Rating: 0.00 ]
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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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Capacitance Calculator
Impedance Matching Network Designer
RF Attenuator Calculator
Convert power levels between Watts, dBW and dBm
Air cored inductor calculator
Top Rated Amateur Radio RF Safety Calculator Coil Inductance Calculator T-Pad / H-Pad Resistance Calculator Mini Ring Core Calculator Capacitor kVAr calculator
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