Hits 

Loop Antenna Dimensions


The simple calculator below uses the well-known standard formula for determining the total wire length in feet for a single element
post 08 Mar 2024
Loop Antenna Dimensions

Antenna Calculator Links

160



Inductance of a Solenoid
Resonance in AC circuits implies a special frequency determined by the values of the resistance

Super J-Pole Collinear
The central hairpin separating the two 5/8, can be made with 4 mm2 hard copper wire or even with a piece of copper serpentine

Transmission Line Calculator
An excellent program to check the results for lossy lines is TLA

SWR Calculator 1.2 Jeff McClay


23cm Yagi Antenna building

23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

30 Volt Computer Power Supply Stack

30 Volt Computer Power Supply Stack A bonus was that i discovered that these did not need a standby load connected to the supply to keep them running just apply mains power and close the Start lead to ground