RF calculator free
attenuators, capacitance, resonance, RF traps, and microstrip impedance
capacitance, inductance, resonance, pads, transmission line calculators
MWI : Substrate line impedance calculator
MWIJ : microwave impedance calculator
PCB Trace Calculator microstrip, stripline
PCB Trace Width , Conductor thickness, ampacity, temperature rise
PCB Trace Impedance Calculator for stripline and microstrip
Power Dissipation vs. Die Temperature Calculator
National’s power supply design tool
Power and Voltage Converter dBm, dBW, watts, dBV, volts
PSI Select Pressurization Planner
Pulse Repetition Frequency (PRF)
RF Cafe Online Calculators ; list of calculators
OpAmp Buffer Error Budget Calculator ; analog device
OpAmp Gain Feedback-Input Resistor Calculator
OpAmp Parametric Evaluation Tool
Operational Amplifiers: Interactive Design Tools
Satellite Link Budget Calculator
Signals and Noise for random process
Tower Planner for height, wind speed, terrain
Voltage Divider Resistor Calculator
VSWR, Power Converter, Inductance Calculator
Wire Sizes wire diameter, ampacity
WLAN Link Planning Calculators Fresnel zone,
diffraction, path loss, link budget, cable loss
Yagi antenna pattern calculator
Online version unit conversion2
Attenuator Calculators T and PI topologies
Connect802 Antenna System Designer
Astronomy Kelper’s 3rd Law, magnitude
ATC Quick-Calc Capacitor Calculation
algebra, trigonometry, calculus, matricies, linear equations
Cascade Calculator : receiver design
Chebychev Filter Coupling Matrix Calculator
ConvertIt collection of converters and calculators
Cubicle Quad Antenna Calculator
Determine dimensional quantities – javascript.
Daycounter, Inc. Engineering Services
power supply, inductors, Butterworth filter,attenuator, impedance conversion, Stability (K) Factor, complete RF amplifier design
Die Temperature vs. Power Dissipation
estimating junction temperature from power dissipation and packaging/heatsink characteristics
Dielectric Coaxial Resonator Calculator
Download from TEMEX.
DigSim
Digital schematic editor & simulator from Berkeley.
Engineering Calculators on Educypedia
online calculators – satellites, attenuators, Smith Chart, VSWR, free space loss
Electrician’s Calculator
Phase voltages, currents, and angles.
FilterCAD
Active filter designer by Linear Technology.
LC Filter Designer
It gives plots and component values From University of York.
Impedance Matching Network Design
Inductorand Resistor Color Applet
Julian Date Calculator
Calculates JDs for a given month.
Karnaugh Map Calculator
By Russell Sasamori.
Karnaugh Minimizer
By Shurik Soft.
Line-Of- Sight Radio Link Path Calculations
A clean, one-page tutorial complete with equations and a Java applet to do the work
Link Budget Calculator
A tower-to-tower, over-the-air JavaScript calculator, by Wireless Connections
Martindale’s Calculator On-Line Center
More than 20,000 calculators – this site has grown incredibly over the years.
MegaConverter2
Multifunctional units converter.
Microwave Calculator Free From JFW Industries
OpAmp Buffer Error Budget Calculator
an annotated schematic at top and a table of contributing error sources at bottom
OpAmp Gain Feedback-Input Resistor Calculator
Table of opamp design
OpAmp Parametric Evaluation Tool
Helps with the selection, evaluation and troubleshooting of voltage feedback opamps.
Operational Amplifiers: Interactive Design Tools