Circuit Design

Electronic circuit design and misc. calculators

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Home : Software : Circuit Design

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  • HamCalc v1.3 - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
  • Electronics Toolkit - Solve electrical and electronics equations quickly and easily with the Electronics Toolkit
  • Vacuum Tube Software - The VTDATA software package is a complete vacuum tube manual on your computer. It has all the information you'd expect in a tube manual. VTDATA's database also includes vacuum tubes of historical interest, such as the early "two digit" types (45, 80, etc.) and hi-fi audio types.
  • Toroid Pro - Designed by microwave engineers to provide filter, radio,microwave and Ham radio engineers with all relevant information of an inductor and core at his or her finger tips
  • 5Spice - Analog circuit simulation program for the typical circuit designer. Commercial version for windows
  • WINRLC - Simple freeware tool to calculate several kinds of HF filters. Use to calculate L-C and R-C band filters and bandpasses, L-C, L-R and R-C highpasses and lowpasses, coils and capacitors.
  • Inductor Design Software - RF toroid - A free too designed to assist in the selection of iron and alloy powder cores. RF toroid calculate the location of the Self resonate frequencies for series and shunt inductors.
  • AA3RL Transmission Line Calculator - Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs
  • Tunekit - Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter tuning aid for actually designing and building a working filter
  • Meter - This meter scale drawing program is designed to have a computer do the hard work in making a precision scale for a d'Arsonval analog meter. The resulting scales will typically be nicer-looking than those found on many commercial meters.
  • DesignWorks - Commercia, productive and easy-to-use electronic circuit schematic drawing tool Featuring full hierarchical design, standard and custom netlist formats, extensive symbol libraries, scripting and customization features and much more.
  • JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript® driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
  • 5Spice - Analog circuit simulation program for the typical circuit designer. Commercial version for windows
    [ Hits: 4941 | Votes: 6 | Rating: 7.83 ]
  • AA3RL Transmission Line Calculator - Excel spreasheet that calculate virtually every transmission line parameter that one may need. Include Length conversions, Reactance and Length of Stubs
    [ Hits: 4425 | Votes: 12 | Rating: 6.75 ]
  • Ansoft Designer - Sesign-management environment and circuit simulator for radio frequency (RF) and microwave hardware development
    [ Hits: 754 | Votes: 4 | Rating: 2.75 ]
  • atlc - Arbitrary Transmission Line Calculator. - Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary cross section.
    [ Hits: 1010 | Votes: 9 | Rating: 6.44 ]
  • Beechhurst Electronic Design Solution - Complete software design suite DVD. From schematic to Gerber files for PCB vendors.
    [ Hits: 477 | Votes: 1 | Rating: 1.00 ]
  • 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: 1139 | Votes: 45 | Rating: 4.91 ]
  • Coil Inductance Calculator - Approximate Air Coil Inductance Calculator
    [ Hits: 1843 | Votes: 8 | Rating: 4.37 ]
  • Coil32 Priority listing - Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils. The application is free for usage and distributing.
    [ Hits: 617 | Votes: 2 | Rating: 3.00 ]
  • DesignWorks - Commercia, productive and easy-to-use electronic circuit schematic drawing tool Featuring full hierarchical design, standard and custom netlist formats, extensive symbol libraries, scripting and customization features and much more.
    [ Hits: 2886 | Votes: 5 | Rating: 4.80 ]
  • DSPRX - Signalprocessing for SSB - Direct Conversion Receiver using Phasemethod for Sideband Supression, does all necessary signalprocessing for Direct conversion Receivers using IQ-mixer for demodulation.
    [ Hits: 1859 | Votes: 0 | Rating: 0.00 ]
  • EasyEDA - EasyEDA - Web-Based EDA, schematic capture, spice circuit simulation and PCB layout Online.
    [ Hits: 120 | Votes: 2 | Rating: 10.00 ]
  • Ekalk online calculators - Set of useful interactive calculators for electronics constructors and hams
    [ Hits: 268 | Votes: 8 | Rating: 8.50 ]
  • Electronics Toolkit - Solve electrical and electronics equations quickly and easily with the Electronics Toolkit
    [ Hits: 9215 | Votes: 26 | Rating: 5.50 ]
  • Elise Software Corporation - Elise Software, OUTPUTMASTER, windows professional software for Printed circuit board, post processor, Gerbers, Drill files, ODB++, files generated fast and simply.
    [ Hits: 338 | Votes: 0 | Rating: 0.00 ]
  • Elsie - Filter Design - Filter design software. Elsie is an uncommon commercial-grade lumped-element ("L-C") electrical filter design and network analysis program, directed toward the engineer or technician involved in that line of work.
    [ Hits: 2141 | Votes: 3 | Rating: 10.00 ]
  • ERP Estimator - Calculate online, ERP in dB and dBi given PWR Frequency Coax lenght and type and antenna type
    [ Hits: 1385 | Votes: 5 | Rating: 3.80 ]
  • EvoSpice - A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications
    [ Hits: 197 | Votes: 0 | Rating: 0.00 ]
  • ExpressPCB - Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.
    [ Hits: 2036 | Votes: 5 | Rating: 5.40 ]
  • Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.
    [ Hits: 772 | Votes: 3 | Rating: 7.00 ]
  • HamCalc v1.3 - HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL
    [ Hits: 18695 | Votes: 72 | Rating: 4.62 ]
  • Helical - A graphics-intensive bandpass filter program based on the helical resonator.
    [ Hits: 1510 | Votes: 2 | Rating: 9.00 ]
  • HeliCoil - Inductance calculation for single layer, air-wounded coils and helixes up to about 800 MHz. Inductance calculations accuracy is around 1%. Also, coils with maximum Q for given inductance, resonant RF chokes, PI and T resistive attenuators calculations are provided. Skin effects, radiation losses and other minor side effects are not accounted in maksimum Q factor coils calculations. Program assumes using copper (Cu) enameled or silver (Ag) plated wire. Program is writen bilingual in English and Serbian by YU1AW
    [ Hits: 1730 | Votes: 8 | Rating: 4.88 ]
  • IC-Prog Prototype Programmer - PIC Programmer software package that allows you to program all types of serial programmable Integrated Circuits using Windows 95/98/NT/2000/ME/XP
    [ Hits: 957 | Votes: 5 | Rating: 5.00 ]
  • idealCircuit - IdealCircuit is an analog circuit simulator working with true ideal components. It uses exactly the same unique and robust algorithm as NL5 Circuit Simulator. Simple and intuitive interface, fewer components and models, no fancy and powerful features that are only useful for specialized applications.
    [ Hits: 182 | Votes: 0 | Rating: 0.00 ]
  • Inductor Design Software - RF toroid - A free too designed to assist in the selection of iron and alloy powder cores. RF toroid calculate the location of the Self resonate frequencies for series and shunt inductors.
    [ Hits: 4642 | Votes: 39 | Rating: 4.59 ]
  • Integrated Engineering Software - Electromagnetic CAE simulation software for modeling and analysis. RF, Microwave & Antennas
    [ Hits: 1381 | Votes: 4 | Rating: 8.75 ]
  • JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript® driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
    [ Hits: 2577 | Votes: 14 | Rating: 7.99 ]
  • Labcenter Electronics - Professional electronics cad (schematic, simulation and pcb autorouting) software.
    [ Hits: 1291 | Votes: 1 | Rating: 5.00 ]
  • LCF Calculator - LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
    [ Hits: 1729 | Votes: 16 | Rating: 4.39 ]
  • linSmith - Smith chart utlity - A Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbars.
    [ Hits: 982 | Votes: 1 | Rating: 10.00 ]
  • MatchNet - This program calculates impedance matching for tube and solid-state PA, LNA, antenna match-box, interstage impedance matching and all other impedance matching in electronic and telecommunication.
    [ Hits: 1006 | Votes: 6 | Rating: 4.83 ]
  • Meter - This meter scale drawing program is designed to have a computer do the hard work in making a precision scale for a d'Arsonval analog meter. The resulting scales will typically be nicer-looking than those found on many commercial meters.
    [ Hits: 3590 | Votes: 4 | Rating: 7.75 ]
  • mini dB Calculator - dB-Calculation for the experimenting radio amateur.
    [ Hits: 882 | Votes: 4 | Rating: 5.50 ]
  • Mini Ring Core Calculator - The easy way to calculate toroid cores.
    [ Hits: 1103 | Votes: 5 | Rating: 6.00 ]
  • NetCon - A netlist converter for moving schematic and PC board files from OrCAD/PADS to ExpressPCB format.
    [ Hits: 192 | Votes: 1 | Rating: 4.00 ]
  • Networks - Calculate impedance matching networks by YU1AW
    [ Hits: 817 | Votes: 2 | Rating: 10.00 ]
  • NFM - noise figure measurement - NFM (for Noise Figure Meter) is a software application to assist Noise Figure measurement. NFM implements the method of Agilent application notes AN 57-1 and AN 57-2 for noise figure measurement, but with the addition of an adjustable attenuator after the noise source and between the DUT and instrument.
    [ Hits: 249 | Votes: 4 | Rating: 7.75 ]
  • NL5 Circuit Simulator - Analog circuit simulator for Windows (not a SPICE). A great tool for students, amateurs, as well as for experienced engineers. Free Demo.
    [ Hits: 1465 | Votes: 0 | Rating: 0.00 ]
  • Number One Systems - Professional ready-to-use PCB design product.
    [ Hits: 551 | Votes: 1 | Rating: 1.00 ]
  • Osmond PCB - Printed circuit board design for Macintosh
    [ Hits: 138 | Votes: 0 | Rating: 0.00 ]
  • Panel and Dial - Freeware windows and linux tools to design front panels and dials labels for your home-brew projects.
    [ Hits: 2136 | Votes: 12 | Rating: 1.92 ]
  • PExprt - Tool for magnetic component design and modeling. Design and modeling of magnetic components such as inductors, planar transformers and integrated magnetics used in power-electronics applications.
    [ Hits: 391 | Votes: 3 | Rating: 4.33 ]
  • Quad - from Tonne Software - This graphics-intensive program designs and analyzes active quadrature ("90-degree") networks for use in SSB transmitters and receivers.
    [ Hits: 628 | Votes: 1 | Rating: 10.00 ]
  • Qucs - Quite Universal Circuit Simulator Priority listing - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit. After that simulation has finished you can view the simulation results on a presentation page or window. Run on Linux.
    [ Hits: 1022 | Votes: 1 | Rating: 9.00 ]
  • Resistor Finder - Resistor Finder is a program that allows the electronics designer or hobbyist to find a combination of 2 resistors that, when connected in parallel, will provide the best match to a desired resistance.
    [ Hits: 982 | Votes: 5 | Rating: 1.80 ]
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