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8 | Alan 42 DS Manualul de utilizare
SPECIFICATII TEHNICE
GENERALE
Canale .........................................................40 FM (vezi schema benzii de frecventa)
Sirul frecventelor* ..................................................................26.565 - 27.99125 MHz
Modul de operare ....................................................................... F3E (FM), A3E (AM)
Comanda frecventei .................................................................................................. PLL
Sirul temperaturii de functionare ..................................................................-10/+55C
Voltajul de intrare DC .................................. min 7.2Vcc;max 13,8Vcc; nom 12,6Vcc
Marimea ...........................................................................30(L) x 140(H) x 70(D) mm
Greutatea ........................................................................................ 220 gr. (fără baterii)
RECEPTOR
Sistemul de receptionare ..........................................conversie duala superheterodina
Frecventa intermediara ............................................. IºIF: 10.695MHz; IIº: 455 MHz
Sensibilitatea ..............................................0.5µV (AM), 0.25µV (FM) in Modul FM
Puterea de scoatere audio @10% THD .................................................8 Ohm 0.5W
Distorsiunea audio la 1000 µV ..................................................................................3%
Scurgerea curenta in standby ............................................................................... 45mA
TRANSMITATOR
Puterea de iesire..........................................................................ciclu 10% 4WAM/FM
Modulatia .....................................................................................AM: de la 85% la 95%
....................................................................................................FM: 1,8 KHz ± 0,2 KHz
Raspunsul frecventei ..............................................................de la 400 Hz la 2.5 KHz
Impedanta de iesire ................................................................ RF 50 Ohm neechilibrat
Rata semnalului/ zgomot ..............................................................................40 dB MIN
Scurgerea curenta...........................................100mA (pozitia poterii fara modulatie)
* (acoprind toate benzile de frecvente aprobate in EU)
Toate specificatiile se pot modifica fara preaviz.
68


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