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RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo)
Pag. 88
CAPITOLO 6
PROCEDURE PER ALLINEAMENTO DEL PONTE RADIO
6.1 INTRODUZIONE
Questo capitolo presenta le procedure di allineamento tra il
trasmettitore PTRL-NV e il ricevitore RXRL-NV.
6.2 ALLINEAMENTO IN FREQUENZA
La frequenza del ponte radio completo (TX + RX) viene allineata
usando un frequenziometro per misurare la frequenza d’uscita del
trasmettitore e la frequenza della 2° conversione del ricevitore.
E’ consigliato un contatore di alta precisione (± 0.2 ppm) per allineare
collegamenti radio che sono usati in installazioni ridondanti.
Se un tale contatore non è disponibile, si consiglia di allineare entrambi
i sistemi radio allo stesso tempo e con lo stesso contatore di frequenza.
Una differenza maggiore di 2 KHz tra la frequenza centrale del
trasmettitore e quella centrale del ricevitore avrà come effetto una
degradazione della distorsione audio e della separazione stereo.
Per realizzare questo allineamento occorre eseguire le seguenti
operazioni (SETUP A1 e A2):
1)
Connettere l’equipaggiamento come mostrato nel SETUP A1.
SETUP A1
Содержание RXRL-NV
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