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HF-VHF portable antenna tuner
Frequency range depending on the coil min & max inductance 160m...6m
post 05 Dec 2024
Antenna Transmatch tuner Links →
5 Impedance Matching
The input impedance of an antenna system can be assigned either notionally, or using a Match Meter or measuring bridge
50 watt z match tuner
A tuner that will work 10 thru 80 meters and handle up to 100 watts of RF
A single coil z match
This ATU being balanced can accomodate balanced line, open wire feeder or 300 ohm slotted
75 mt antenna Tuner
A homebrew z-match
i used a t-200-6 core. the type-6 core over the type-2 because it provides a higher q over most of the hf range
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The input impedance of an antenna system can be assigned either notionally, or using a Match Meter or measuring bridge
A tuner that will work 10 thru 80 meters and handle up to 100 watts of RF
This ATU being balanced can accomodate balanced line, open wire feeder or 300 ohm slotted
i used a t-200-6 core. the type-6 core over the type-2 because it provides a higher q over most of the hf range
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