Manual Midland 278 (page 42 of 48) (English, German, French, Italian, Polish, Portuguese, Spanish)

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Αριθμόςκαναλιών ................................................................(βλ.πίνακαζωνώνσυχνοτήτων)

Εύροςσυχνότητας .........................................................................26.565έως27.99125MHz

Κύκλοςεργασίας(%σε1ώρα) ......................TX5%;RX5%;Σεκατάστασηαναμονής90%

Έλεγχοςσυχνότητας ......................................................................................................... PLL

Θερμοκρασίαλειτουργίας ..................................................................................... -10°/+55°C

Τάσηεισόδουσυνεχούςρεύματος ................................................................. 12.6VDC±10%

Διαστάσεις .................................................................................. 180(Μ)x35(Υ)x140(Β)mm

Βάρος. ....................................................................................................................... 0,850 kg



Σύστημαλήψης ............................................................... υπερετερόδυνηδιπλήςμετατροπής

Ενδιάμεσησυχνότητα ....................................................1ηIF:10.695MHz•2ηIF:455KHz

Ευαισθησία ........................................................................................ 0.5μVγια20dBSINAD

Ισχύςεξόδουήχου@10%THD .................................................................... 2.0 W @ 8 Ohm

Διαστρέβλωσηήχου ..................................................................... λιγότερηαπό8%@1KHz

Απόρριψηεικόνας ..........................................................................................................65 dB

Απόρριψηγειτονικώνδιαύλων .......................................................................................65 dB

Αναλογίασήματος/θορύβου ..........................................................................................45 dB

Κατανάλωσηρεύματοςσεκατάστασηαναμονής ......................................................... 250mA



Ισχύςεξόδου.............................................................................................................. 4W max

Διαμόρφωση ..................................................................................... AM:από85%έως95%

............................................................................................................. FM:1,8 KHz ± 0,2 KHz

Απόκρισησυχνότητας .......................................................................................300 Hz/3 KHz

Αντίστασηεξόδου ..................................................................................................RF 50 Ohm

Αναλογίασήματος/θορύβου .................................................................................. 40 dB MIN

Κατανάλωσηρεύματος ....................................................................................... max 2500mA

Όλαταχαρακτηριστικάτηςσυσκευήςυπόκεινταισεαλλαγέςχωρίςπρότερηειδοποίηση.

Έναςεύκολαπροσβάσιμοςδιακόπτηςθαπρέπεινασυνδεθείστοκαλώδιοεγκατάστασης,ο

οποίοςθααποσυνδέεικαιτουςδύοπόλουςταυτόχρονα.

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Midland 278 Manual

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