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67
11
SPECIFICATIONS AND OPTIONS
10
11
■
Specifications
D
General
• Frequency coverage
: Tx 156.000–161.450 MHz
Rx 156.000–163.425 MHz
• Mode
: FM (16K0G3E), DSC (16K0G2B)
• Channel spacing
: 25 kHz
• Current drain (at 13.8 V)
: TX high
5.5 A max.
Max. audio 1.5 A max.
• Power supply requirement
: 13.8 V DC (10.8 to 15.6 V)
(negative ground)
• Frequency stability
: ±10 ppm
• Operating temp. range
:
–20°C to +60°C
• Antenna impedance
: 50
Ω
nominal
• Dimensions
: 165(W)
×
110(H)
×
123.2(D) mm
(Projections not included)
• Weight
: Approx. 1450 g
D
Transmitter
• Output power
: 25 W/1 W
• Modulation system
: Variable reactance frequency
modulation
• Max. frequency deviation
: ±5.0 kHz
• Spurious emissions
: Less than 0.25 µW
• Microphone impedance
: 2 k
Ω
• Frequency error
: Less than ±1.5 kHz
• Adjacent channel power
: More than 70 dB
• Audio harmonic distortion
: Less than 10 %
• Residual modulation
: More than 40 dB
• Audio frequency response
: +1 dB to –3 dB of 6 dB oct. from
300 Hz to 3000 Hz
D
Receiver
• Receive system
: Double conversion
superheterodyne
• Sensitivity (20 dB SINAD)
: –5 dBµ emf (typical)
• Squelch sensitivity
: Less than 0 dBµ emf
• Intermodulation rejection ratio
: More than 73 dB
• Spurious response rejection ratio : More than 73 dB
• Adjacent channel selectivity
: More than 73 dB
• Audio output power
: More than 2 W at 10% distortion
with a 4
Ω
load
• Hum and noise
: More than 40 dB
• Audio frequency response
: +1 dB to –3 dB of –6 dB oct.
from 300 Hz to 3000 Hz
All stated specifications are subject to change without notice
or obligation.
Summary of Contents for IC-M505
Page 1: ...INSTRUCTION MANUAL iM505 VHF MARINE TRANSCEIVER ...
Page 71: ...65 9 CONNECTIONS AND MAINTENANCE 9 Gasket Mounting base Cap Nut 50 d 28 d 29 5 to 1 5 Ú 3 ...
Page 77: ...HM 162E Unit mm 29 5 to 31 5 d 2 165 110 146 92 4 R12 Max MB 75 Cut here 71 13 TEMPLATE ...
Page 78: ......
Page 79: ...MEMO ...