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Preselettore d'Antenna da 100 a 500 kHz
Il pregio di questo preselettore seriale e' quello di avere una elevata selettivita', di conseguenza lo rende adatto vista la gamma di frequenza usata)alla ricezione del CW e dei radiofari NDB
post 31 Jul 2024
Antennas Receiving Links →
Rx antennas building and testing the Waller Flag
DHDL transformer feed matching from 7:2 turns for 900/75 ohms ratio to 6:2 turns for 900/100 ohms ratio on the binocular BN73-202
Rx antennas the TX3A DHDL
Boom length m. 5.24-fiberglass spreaders m. 2.95-loops dimensions m. 2.00 x 4.27 with 5.00 m. separation-load resistors with1 watt OY series-parallel: 590 ohm on the front loop and 607 ohm on the back loop-transformers impedance ratio 600/100 ohm 5 by 2 turns on binocular BN73-202
SRC Front-end HF Filter
Il presente circuito permette di commutare automaticamente, ad ogni cambio banda del transceiver, l'opportuna antenna
SWL Receiving Antenna Experiments
I have been experimenting with a half wavelength end-fed wire for use as a portable 40M band
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DHDL transformer feed matching from 7:2 turns for 900/75 ohms ratio to 6:2 turns for 900/100 ohms ratio on the binocular BN73-202
Boom length m. 5.24-fiberglass spreaders m. 2.95-loops dimensions m. 2.00 x 4.27 with 5.00 m. separation-load resistors with1 watt OY series-parallel: 590 ohm on the front loop and 607 ohm on the back loop-transformers impedance ratio 600/100 ohm 5 by 2 turns on binocular BN73-202
Il presente circuito permette di commutare automaticamente, ad ogni cambio banda del transceiver, l'opportuna antenna
I have been experimenting with a half wavelength end-fed wire for use as a portable 40M band
PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
Conrad Electronic Electronic components online shop in German and Italian