Free Space Path Loss Calculator (FSPL, Friis Formula)
Why? Because radio waves is like water flowing off side of a bucket: They expand as they go; they thin out to nothing in background … Read More
JSCalc
Antenna Beamwidth Calculator | HPBW, E/H Plane & Gain
Getting your dish pointed is a tricky business, especially the first time you try. That’s because your margin of error might be smaller than a … Read More
Antenna Gain Calculator | dBi, dBd, Linear & Aperture
The key take-away here: antenna gain isn’t magic. Passive antennas does not magically add any more power to your signal; they can’t make energy from … Read More
Yagi Antenna Element Calculator – Length & Boom Sizing
You can spot the traditional-looking pointed-beam antenna, or Yagi-Uda antenna, on radio amateur towers and rooftops around town. It has parasitic rods added in a … Read More
Half Wave Dipole Length Calculator | 468/f Antenna Sizing
In radio work, reference antenna is the half wave dipole. It consists of one straight conductor cut to half a wavelength, with the feed point … Read More
Quarter Wave Antenna Calculator: Monopole & Radial Length
The design shown here is a good one to use for radios, it’s a quarter-wave antenna. It has a single vertical element suspended over a … Read More
Solder Paste Volume Calculator – Area Ratio & Print Volume
A solder paste volume calculator takes a stencil’s aperture geometry to generate four values. These include the volume of paste deposited into each opening, total … Read More
PCB Panel Utilization Calculator: Boards Per Panel & Yield
Rarely does a printed circuit board travel solo. More often than not, it’s part of a family that travels together on a big sheet of … Read More
PCB Layer Stackup Thickness Calculator – Total Board Height
Once your fabricator has pressed those layers together, some PCB designer needs to know how thick the final board becomes. It sounds like a trivial … Read More
PCB Copper Weight Calculator: oz to um, Mass and Sheet R
You may have seen the terms “1 oz” or “2 oz” listed as copper weight specifications on a circuit board drawing. However, those terms might … Read More