Specifications And Options; D General; D TransmTter; D ReceVer - Icom IC-GM651 Instruction Manual

n Specifications

D General

• Frequency coverage : TX 156.000–161.450 MHz
• Mode : FM (16K0G3E), DSC (16K0G2B)
• Current dran (at 24 V) : TX hgh (25 W) 3.5 A
• Power supply requrement : 12/24 V DC (10.8 to 31.2 V)
• Frequency stablty : ±5 ppm
• Operatng temp. range : –15°C to +55°C
• Antenna mpedance : 50 ˘ nomnal
• Input mpedance (Hand mc) : 2 k˘
• Output mpedance (audo) : 4 ˘
• VDR nterface
Impedance : Ballanced 600 ˘
Ground : Floating
Audio level : TX – 4 dBm (typcal)
• Dmensons (Projectons not ncluded)
: 220(W) × 110(H) × 109.4(D) mm
IC-GM651
: 250(W) × 67(H) × 200(D) mm
PS-250
• Weght
IC-GM651 : Approx. 1600 g
PS-250 : Approx. 2100 g

SPECIFICATIONS AND OPTIONS

RX 156.000–163.425 MHz
Max. audo 1 A
(at 1 kHz, ±3 kHz devaton)
RX – 3 dBm (typcal)
(at 1 kHz, ±3 kHz devaton)
D Transmitter
• RF output power : 25 W and 1 W
• Modulaton system : Varable reactance frequency
• Max. frequency devaton : ±5.0 kHz
• Spurous emssons : Less than 0.25 µW
• Adjacent channel power : More than 70 dB
• Audo harmonc dstorton : Less than 10%
• Resdual modulaton : More than 40 dB
• Audo frequency response : +1 to –3 dB of 6 dB/octave
D Receiver
• Receve system : Double converson superheterodyne
• Senstvty (20 dB SINAD) : –5 dBµ emf (typcal)
• Squelch senstvty : –2 dBµ emf
• Spurous response : More than 73 dB
• Intermodulaton : More than 75 dB
• Adjacent channel selectvty : More than 75 dB
• Hum and nose : More than 45 dB
• Audo output power : 2.0 W at 10% dstorton wth a 4 ˘
* Ths specfcaton s descrbed when the IC-GM651 s used wth
the PS-250.
All stated specifications are subject to change without
notice or obligation.
10
modulaton
(at 1 kHz, 60% devaton)
range from 300 Hz to 3000 Hz
–5 dBµ emf (typcal)
(CH 70 recever)
load
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