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Multi cb impedance calculator
With the multi-cb impedance calculator, you can calculate the approximate impedance dimensioning of your pcb / high frequency circuit board
post 05 Dec 2024
Antenna Calculator Links →
AM Loop Antenna Calculator
Below you will find plans to build a three or four foot box loop for the AM broadcast band
Design Your Own Dipoles And Inverted Vees
The formula for these types of antennas vary from about 476/f Mhz to 490/f MHz depending on the band and the height above ground!
Double Extended Zepp NVIS Antenna Calculator
The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna
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Below you will find plans to build a three or four foot box loop for the AM broadcast band
The formula for these types of antennas vary from about 476/f Mhz to 490/f MHz depending on the band and the height above ground!
The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Antenna
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62
RF Inductance Calculator Mean diameter of the air core coil, measured from conductor centre to conductor centre include the wire insulation thickness, if any
Voice Recorder Gestito dall'integrato in questione ed offre la possibilità di registrare più messaggi per una durata massima di un minuto con buona fedeltà di riproduzione