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Midland 248XL Manual

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6
CARACTERISTIQUES TECHNIQUES
GENERALES
Nombre de canaux .......................................................................(voir tableau bandes)
Gamme de fréquence* .............................................................26.565 - 27.99125 MHz
Cicle d’usage (% dans 1 heure) ............................. TX 5% - RX 5% - Stand-by 90%
Contrôle de fréquence ...............................................................................................à PLL
Température ..................................................................................................... - 10°/+55° C
Tension d’alimentation ........................................................................... 12.6 Vcc ±10%
Dimension ........................................................................150 (L) x 45 (H) x 175 (P) mm
Poids ....................................................................................................................................1 kg
RECEPTEUR
Système réception ......................................superhétérodyne à double conversion
Fréquences intermédiaires .............................................................. I IF : 10.695 MHz
........................................................................................................................ II IF : 455 KHz
Sensibilité ....................................................................0.5 µV pour 20 DB SINAD en FM
........................................................................................0.5 µV pour 20 DB SINAD en AM
Puissance de sortie audio @ 10 % THD ............................................... 2.0 W @ 1 KHz
Distorsion audio ..........................................................................moins de 8 % @ 1 KHz
Réjection d’image ....................................................................................................... 65 DB
Sélectivité sur canaux ................................................................................................ 65 DB
Rapport signal bruit .................................................................................................. 45 DB
Consommation en veille ............................................................................12.6V: 450mA
EMETTEUR
Puissance de sortie ................................................................................................ 4 W max
Modulation ........................................................................................AM : de 85 % à 95 %
.........................................................................................................FM : 1,8 KHz +/- 0,2 KHz
Réponse en fréquence ............................................................................... 300 Hz/3 KHz
Impédance de sortie ....................................................................... RF 50 Ohm balancé
Rapport signal bruit ..........................................................................................40 DB MIN
Courant absorbé ........................................................................................12.6V: 2500mA
* (conformément à toutes les bandes de fréquence européennes approuvées)
Toutes ces caractéristiques peuvent être modifié sans préavis.
Il est conseillé de mettre un interrupteur dans le câblage d’alimentation du poste.
L’interrupteur doit couper les deux pôles simultanément.
Par la présente, CTE International déclare que ce Midland 248XL est conforme aux exi-
gences générales et autres dispositions de la Directive 99/05/EC.
… 32 …


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