Circuit Design
Electronic circuit design and misc. calculators
Site Listings
Coil32
Qucs - Quite Universal Circuit Simulator
TANKIT
5Spice
AA3RL Transmission Line Calculator
Amidon ferrite toroids calculator
atlc - Arbitrary Transmission Line Calculator.
Beechhurst Electronic Design Solution
Circuit Lab - Online circuit simulation
Coil Inductance and Q Calculator
DSPRX
EasyEDA
Elsie - Filter Design
ERP Estimator
EvoSpice
Fritzing
FT CALC 1.3 - Ferrite Toroidal Core HF Calculator
HamCalc v1.3 pop
Helical
IC-Prog Prototype Programmer
idealCircuit
Integrated Engineering Software
JavaScript Electronic Notebook, K7MEM
KiCad EDA
LCF Calculator
linSmith - Smith chart utlity
LogiSim - Logic Circuit Simulator
Marki RF Tools Calculators
Meter
Mini Ring Core Calculator
mini Ring-Core-Calculator - Calculate windings on ferrite cores
MPLAB Mindi Analog Simulator new
NetCon
NFM - noise figure measurement
NL5 Circuit Simulator
Number One Systems
One-turn loop inductance Online Calculator
Online Coil Inductance Calculator
Online Helical Coil Calculator
Osmond PCB
PCB gEDA
Quad - from Tonne Software
Resistor Color Code Calculator
Resistor Finder
Resonant Frequency Calculator
RF Calculators
RF Inductor Calculator
Scheme-it
Sunstone PCB Design Software
SVC Filter
The Quite Universal Circuit Simulator
Thevenin equivalent calculator
TinyCAD
Tunekit
Vacuum Tube Software
ViPEC Network Analyzer
ZenitPCB
Coil32 is a free coil inductance calculator that allows to calculate single layer and multi ...
By: Valery
Hits: 1587
| Votes: 6 | Rating: 7
Qucs briefly for Quite Universal Circuit Simulator is an integrated circuit simulator which means you ...
Hits: 1443
| Votes: 1 | Rating: 9
A free design aid for vacuum tube linear RF power amplifiers Determine plate circuit operating ...
By: Keith Kunde, K8KK
Hits: 1948
| Votes: 3 | Rating: 10
Analog circuit simulation program for the typical circuit designer. Commercial version for windows
Hits: 5566
| Votes: 8 | Rating: 7.5
Excel spreasheet that calculate virtually every transmission line parameter that one may need Include Length ...
Hits: 5360
| Votes: 16 | Rating: 6.88
Select the toroid by material type and dimension of the toroid the desired inductance and ...
By: coil32
Hits: 413
| Votes: 4 | Rating: 5.5
Unix or linux programme atlc calculates the impedance of electrical transmission lines of totally arbitrary ...
By: G8WRB
Hits: 1587
| Votes: 9 | Rating: 6.44
Complete software design suite DVD. From schematic to Gerber files for PCB vendors.
By: Frank Scully
Hits: 690
| Votes: 1 | Rating: 1
A browser based circuit simulator offering a large set of functionalities allowing to share and ...
By: Circuit Lab
Hits: 533
| Votes: 1 | Rating: 5
Calculates inductance and Q for single layer coils made of solid or Litz wire Uses ...
By: Brian
Hits: 264
Signalprocessing for SSB Direct Conversion Receiver using Phasemethod for Sideband Supression does all necessary signalprocessing ...
Hits: 2492
EasyEDA - Web-Based EDA, schematic capture, spice circuit simulation and PCB layout Online.
Hits: 516
| Votes: 2 | Rating: 10
Filter design software Elsie is an uncommon commercial grade lumped element L C electrical filter ...
Hits: 2995
| Votes: 7 | Rating: 8.71
Calculate online ERP in dB and dBi given PWR Frequency Coax lenght and type and ...
Hits: 1669
| Votes: 5 | Rating: 3.8
A numerical optimizer solver for LTSpice IV Uses a fast evolutionary algorithm You can use ...
By: Sean O'Connor
Hits: 574
Fritzing is for amateur circuit designers enthusiasts and hobbyists to build their own design and ...
By: Fritzing
Hits: 131
| Votes: 1 | Rating: 9
This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between ...
By: VK2WB
Hits: 293
| Votes: 1 | Rating: 2
HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations Attenuators ...
Hits: 29059
| Votes: 116 | Rating: 5.65
A graphics-intensive bandpass filter program based on the helical resonator.
Hits: 1891
| Votes: 2 | Rating: 9
PIC Programmer software package that allows you to program all types of serial programmable Integrated ...
Hits: 1222
| Votes: 5 | Rating: 5
IdealCircuit is an analog circuit simulator working with true ideal components It uses exactly the ...
By: Alexei Smirnov
Hits: 466
Electromagnetic CAE simulation software for modeling and analysis. RF, Microwave & Antennas
Hits: 1689
| Votes: 4 | Rating: 8.75
It consists of a group of JavaScript driven web pages that are intended for use ...
By: K7MEM
Hits: 3229
| Votes: 16 | Rating: 7.62
A Cross Platform and Open Source Electronics Design Automation Suite that runs on multiple operative ...
By: KiCad
Hits: 90
LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
Hits: 2696
| Votes: 35 | Rating: 3.86
A Smith charting program You can enter either discrete components or transmission lines see the ...
By: John Coppens
Hits: 1375
| Votes: 1 | Rating: 10
Logisim is an educational tool for designing and simulating digital logic circuits With its simple ...
By: cburch
Hits: 140
Set of online calculators provided my Marki includes a LC Filter Design Tool Microstrip Filter ...
By: Marki Microwave
Hits: 47
This meter scale drawing program is designed to have a computer do the hard work ...
Hits: 4253
| Votes: 5 | Rating: 6.6
The easy way to calculate toroid cores.
Hits: 2127
| Votes: 21 | Rating: 6.05
The program can be used to calculate inductors coils and their number of turns on ...
By: DG0KW
Hits: 446
| Votes: 2 | Rating: 5.5
The MPLAB Mindi Analog Simulator helps design analog circuits faster and with less risk by ...
By: Microchip
Hits: 14
A netlist converter for moving schematic and PC board files from OrCAD PADS to ExpressPCB ...
Hits: 382
| Votes: 1 | Rating: 4
NFM for Noise Figure Meter is a software application to assist Noise Figure measurement NFM ...
Hits: 406
| Votes: 4 | Rating: 7.75
Analog circuit simulator for Windows not a SPICE A great tool for students amateurs as ...
By: Alexei Smirnov
Hits: 1706
Professional ready-to-use PCB design product.
Hits: 731
| Votes: 2 | Rating: 5.5
The high frequency inductance of single turn loops of various shapes made of round wire ...
By: in3otd
Hits: 127
| Votes: 1 | Rating: 10
This online calculator will return the inductance of a coil It will ask you the ...
By: 66pacific
Hits: 108
This online calculator will give as output the Inductance L of a coil including the ...
By: deepfriedneon
Hits: 361
| Votes: 8 | Rating: 6.25
Printed circuit board design for Macintosh
Hits: 401
PCB is an interactive printed circuit board editor for Unix Linux Windows and Mac systems ...
By: gEDA
Hits: 109
This graphics intensive program designs and analyzes active quadrature 90 degree networks for use in ...
Hits: 887
| Votes: 1 | Rating: 10
Calculate the value of an unknown resistor with this free program for windows
By: Resistor
Hits: 775
| Votes: 21 | Rating: 4.85
Resistor Finder is a program that allows the electronics designer or hobbyist to find a ...
Hits: 1196
| Votes: 7 | Rating: 3
This web based application will compute circuit values required for an L C circuit to ...
Hits: 1785
| Votes: 8 | Rating: 5.12
A collection of calculators from everything RF for various applications VSWR attenuator resistance valies microstrip ...
By: Raghav Kapur
Hits: 581
| Votes: 2 | Rating: 1
This air core solenoid style RF inductor calculator calculates the inductance wire size number of ...
By: vk3cpu
Hits: 110
| Votes: 3 | Rating: 7
Scheme it is an online schematic and diagramming tool that allows you to create and ...
Hits: 426
| Votes: 1 | Rating: 2
Sunstone com PCB123 PCB download software Review Sunstone quality pcb design software Free PCB software ...
By: Paul Waterman
Hits: 855
| Votes: 1 | Rating: 6
Filter design software A program designed to expedite the design and analysis of lowpass and ...
Hits: 1195
| Votes: 1 | Rating: 10
RF/Microwave Simulator for Puppy Linux by WN2A
Hits: 569
| Votes: 1 | Rating: 10
The Thevenin equivalent simplifies a complex circuit into an equivalent circuit with a voltage source ...
By: PA2OHH
Hits: 62
TinyCAD is a an open source program for drawing circuit diagrams which runs under Windows ...
By: TinyCAD
Hits: 138
| Votes: 1 | Rating: 10
Filter Tuning Kit for Windows is a electronic filter synthesis program and a practical filter ...
By: Tunekit
Hits: 4830
| Votes: 10 | Rating: 5.2
The VTDATA software package is a complete vacuum tube manual on your computer It has ...
Hits: 10419
| Votes: 24 | Rating: 3.67
This program intended for electronic circuit analysis mainly for Linux ViPEC is a powerful tool ...
Hits: 1197
An excellent tool to create design printed circuit boards in a simple and easy to ...
By: ZenitPCB
Hits: 150
| Votes: 1 | Rating: 8