![background image](http://html.mh-extra.com/html/icom/ic-440/ic-440_instruction-manual_612149053.webp)
49
11
SPECIFICATIONS AND OPTIONS
10
11
■
Specifi cations
D
GENERAL
• Frequency coverage
CB
: 476.425–477.400 MHz
RX
: 450.000–520.000 MHz (RX only)
• Mode
: 16K0F3E
• Number of channels
: Max 128ch/8 banks
• Antenna impedance
: 50
Ω
• Input impedance
: 600
Ω
• Output impedance
: 4
Ω
• Intermediate frequency
: 1st 46.35 MHz, 2nd 450 kHz
• Operating temperature range
: –10°C to +60°C
• Power supply voltage
: 13.8 or 27.6 V DC nominal
(Negative ground)
• Current drain (approx.)
DC 13.8 V
: RX stand-by
400 mA
RX Max. audio
1500 mA
TX (5 W)
2000 mA
DC 27.6 V
: RX stand-by
250 mA
RX Max. audio
1000 mA
TX (5 W)
1200 mA
• Dimensions
: 125 (W)
×
25(H)
×
160.7(D) mm
(Projections not included)
• Weight (approx.)
: 770 g (with HM-182)
D
TRANSMITTER
• Output power
: 5 W/1 W (selectable)
• Modulation system
: Variable reactance frequency
modulation
• Max. frequency deviation
: ±5 kHz
• Frequency error
: ±2.5 ppm
• Spurious emissions
: Less than –30 dBm
• Adjacent channel power
: Less than –22 dBm
• Audio harmonic distortion
: 1% typical (60% deviation)
• Residual modulation
: 40 dB typical
• Limiting charact of modulator : 70 to 100% of max. deviation
D
RECEIVER
[CB (476.425–477.400 MHz)]
• Sensitivity (12 dB SINAD)
: 0.22 µV typical
• Squelch sensitivity
: 0.2 µV typical (Threshold)
• Hum and noise
: 50 dB typical
• Intermodulation rejection ratio: 75 dB typical
• Spurious response rejection ratio : 80 dB typical
More than 65 dB (IF/2)
• Adjacent channel selectivity : 78 dB typical
• Conducted spurious radiation :
Less than –57 dBm
(9 kHz–2.9 GHz)
• Audio output power
: 5.0 W typ. at 10% distortion with a
4
Ω
load
• Audio frequency response
: +1 to –3 dB of 6dB/octave from
300 to 3000 Hz
IC-440-1.indd 49
IC-440-1.indd 49
2008/06/25 15:59:46
2008/06/25 15:59:46