Telex RadioCom BTR-300, Руководство по эксплуатации

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TR-300 BELT-PACK TRANS CEIVER
TECH NI CAL IN FOR MA TION
-9-
SPEC I FI CA TIONS TR-300
Over all
Power Re quire ments ................................................................... 6 AA cells (Al ka line, NEDA, MN 1500)
Nickel-Metal Hydride Op tional
Cur rent Drain ........................................................................................................................ typ i cal 65 mA
Tem per a ture Range ..................................................................................... -4
o
F to 130
o
F (-20
o
C to 55
o
C)
Di men sions .................................................................................................... 4.25" W x 4.125" H x 2.0" D
(108mm x 105mm x 51mm)
Weight ................................................................................................................ 13oz (369g) with bat ter ies
Trans mit An tenna................................................................................................. 1/4-wave wire (at tached)
Re ceive An tenna .................................................................................................. 1/4-wave wire (at tached)
Trans mit
RF Fre quency Range ............................................................................................................. 150-216 MHz
RF Fre quency Sta bil ity .................................................................................... Crys tal Con trolled, 0.005%
RF Power Out put ................................................................................................................ 50 mW Typ i cal
Mod u la tion ............................................................................................................ FM, 5000 Hz de vi a tion,
115 mi cro-seconds Pre-emphasis
Mod u la tion Lim iter ..................................................................................................... In ter nal Com pres sor
Mod u la tion Fre quency Range ............................................................................... 300 to 5000 Hz +/-2dB
Mi cro phone Au dio In put................................................................................................... 30 to 3500 ohms
Mi cro phone In put Sen si tiv ity ..................................................................... 2 mV Dy namic, 4 mV Electret
Ra di ated Har monics and Spu ri ous Emis sions............................................................................... -45 dBC,
Ex ceeds FCC Spec i fi ca tions
FCC ................................................................................................ Type Ac cepted Un der Parts 90 and 74
Re ceive
RF Fre quency Range ............................................................................................................. 150-216 MHz
RF Fre quency Stabiltiy ............................................................................ Crys tal Con trolled, 0.005%Type
Dual Conversion Superheterodyne, FM
RF Sen si tiv ity...................................................................................... Less than 0.5
µ
V for 12 dB SINAD
IF Se lec tiv ity............................................................................................. 3 dB at 30 kHz (Ce ramic Fil ter)
Im age Re jec tion ................................................................................................................... 70 dB or better
Squelch Quieting ..................................................................................................................................90 dB
Squelch Thresh old ............................................................................................................. 3.0
µ
V (In ter nal)
Sig nal-to-Noise Ra tio...........................................................................................................................90 dB
Au dio Out put ........................................................................................... 32 mW into 600 ohms (Head set)
Dis tor tion ..................................................................................................... Less than 1% at Rated Out put