Tools for Engineers

 

Periodic Table of Elements

  

Attenuator Calculator Basic Cascade Calculator Coplanar Waveguide Calculator
Dual Dielectric Coax Calculator ERP & EIRP Calculator Frequency Wavelength Calculator
Resistor Color Code Calculator Resonant Frequency Calculator Traffic, Cable, Frequency & Coordinate Calculator
VSWR Calculator

 

Electromagnetic Waves - Interactive
Wave Propogation Waveguides
Electromagnetic Wave Propogation Parallel Plate Waveguide
Polarization Rectangular Waveguide
  Symmetric Dielectric Waveguide

 

Linear Antennas - Interactive 
Simple Far-Field Analysis Detailed Analysis
Linear Dipole Antenna Detailed Analysis of Linear Antenna
Two Antenna Array Detailed Analysis of Two Array Antenna
N-Antenna Array  

 

Signal Integrity - Interactive
Transients in Terminated Transmission Lines (TL)
 Transients in TL's with Discontinuities
Transmission Line With Capacitive Load TL with Capacitive Discontinuity
Transmission Line With RC Load TL with Inductive Discontinuity
Transmission Line With Resistive Load Multiple Capacitive Discontinuity
Transmission Line With Inductive Load  
Transmission Line With RL Load Cross-Talk Between TL's
Transient in Lossy Transmission Line Cross-Talk Between TL-1 
  Cross-Talk Between TL-2

 

Transmission Lines - Interactive 
Interactive Smith Chart Transmission Line Properties
Lossless Line Transmission Line Impedance
General Lossy Line Transmission Line Input Impedance 
  Standing Wave Patterns (input: Load)
 Narrow-band Impedance Matching Standing Wave Patterns (input: VSWR)
Single Stub Matching Lossless Line with 3 Selectable Stubs
Double Stub Matching Lossless Line with 3 Shunt Reactances
Series Stub Matching General Lossy Line (wide plots) 
Quarter Wavelength Transformer
  
L-Network Matching Practical Transmission Lines 
 General Impedance Transformer Two Wire Transmission Line 
  Stripline 
Broadband Impedance Matching  Coaxial Cable
 Broadband Multisection Transformers Microstrip 
Broadband Matching with Taper Lines  
  Stub Line Analysis
  Short Circuited Stub
  Open Circuited Stub

 

 

Standard Frequency Band Designations
Band Characteristic  Frequency GHz  Wavelength
HF   .003-.03 10-100 m
VHF   .03-.3 1-10 m
UHF   .3–1 .3-1 m
L   1–2 150-300 mm
S  2-4  75-150 mm
C   4-8 37.5-75 mm
X   8-12 25-37.5 mm
Ku  12-18  17.5-25 mm
K  18-27  11-17.5 mm
Ka  27-40  7.5-11 mm
Millimeter  40-300  1-7.5 mm


   

Ohm's Law Calculator

You must enter 2 values and then select the units desired for the output before clicking the "Calculate" button to determine the unknown values.

Voltage millivolts volts kilovolts megavolts
Current milliamps amps kiloamps megaamps
Resistance milliohms ohms kilohms megaohms
Power milliwatts watts kilowatts megawatts
 

 

Area

Sq. centimeters     Sq. inches

Sq. yards             Sq. inches

Sq. meters           Sq. inches

Sq. meters           Sq. feet

Sq. feet               Sq. acres

Sq. hectares         Sq. acres

Sq. hectares         Sq. meters

 

Circle Equation Solver

Calculate properties of a circle given one property

Area:
Diameter:
Circumference:
 

 

Density

gm/cc     Lb/gal

 

Dielectric Strength

kV/mm    V/mil

 

Length

Micron           Mil

Centimeter     Inch

Centimeter    Feet

Centimeter     Millimeter

Millimeter       Inch

Kilometer       Feet

 

Strength

mPa      psi

N/m      pli

 

Temperature

°C     °F

°C     °Kelvin

 

Thermal

W/m.°K     BTU-in/hr-ft2-°F

 

Viscosity

Pa.s                Centipoise

Gram/cm-sec    Kg/m-sec

 

Volume (liquid)

Milliliter    Fluid Ounce

Quarts     Fluid Ounce

Quarts     Liters

Cubic Inches     Liters

Cubic Inches     Gallons

 

Weight

Gram        Ounce

Kilogram   Pound

Milligram    Grains

 

 

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Related Information

Dielectric Chart

FPH Calculator