A practical RF engineering hub for antenna design, LoRa, WiFi, coax loss, PCB RF traces, matching, VSWR and wireless link budget calculations.
All RF calculation tools.
Estimate RF coax cable loss.
Calculate free-space RF path loss.
Estimate LoRa link budget.
Estimate WiFi link margin.
Estimate PCB RF trace impedance.
All antenna tools.
Wavelength, quarter-wave and half-wave.
Calculate quarter-wave length.
Half-wave dipole dimensions.
Quarter-wave monopole dimensions.
Estimate Yagi element dimensions.
Coax, microstrip and stripline tools.
PCB microstrip impedance.
PCB stripline impedance.
Design practical 50 ohm RF traces.
PCB antenna layout rules.
Grounding and via stitching.
VSWR, return loss and reflection coefficient.
RF LC resonance.
Simple RF matching estimate.
Matching basics.
Smith chart introduction.
Fix poor matching and high VSWR.
ESP32 antenna options.
LoRa antenna placement.
Improve WiFi range.
Design enclosures for RF.
Route antenna coax properly.
Troubleshoot poor LoRa range.