Specifications And Options; Specifications - Icom ic-450 Instruction Manual

■ Specifications

D General
• Frequency coverage
CB: 476.425–477.4125 MHz
RX: 450.000–520.000 MHz (RX only)
• Mode: 8K50F3E
• Number of channels: Max 128ch/8 banks
50 Ω
• Antenna impedance:
600 Ω
• Input impedance:
4 Ω
• Output impedance:
• 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 with HM-212 (approximately)
DC 13.8 V: RX stand-by
RX Maximum audio 1500 mA
TX (5 W)
DC 27.6 V: RX stand-by
RX Maximum audio 1000 mA
TX (5 W)
125 (W) × 29 (H) × 180 (D) mm
• Dimensions:
(Projections not included)
• Weight (approximately): 1011 g (with HM-212)

SPECIFICATIONS AND OPTIONS

D Transmitter
• Output power:
• Modulation system:
• Max. frequency deviation:
• Frequency error:
• Spurious emissions:
• Adjacent channel power:
• Audio harmonic distortion:
• Residual modulation:
• Limiting characteristic of modulator:70 to 100% of maximum deviation
D Receiver
[CB (476.425–477.4125 MHz)]
• Sensitivity (12 dB SINAD):
500 mA
• Squelch sensitivity:
• Hum and noise:
2000 mA
• Intermodulation rejection ratio: 72 dB typical
300 mA
• Spurious response rejection ratio: 80 dB typical
• Adjacent channel selectivity: 68 dB typical
1300 mA
• Conducted spurious radiation: Less than –57 dBm
• Audio output power:
• Audio frequency response:
10
5 W/1 W (selectable)
Variable reactance frequency modulation
±2.5 kHz
±2.5 ppm
Less than –30 dBm
Less than –16 dBm
1% typical (60% deviation)
40 dB typical
0.22 µV typical
0.2 µV typical (Threshold)
48 dB typical
(9 kHz–1.0 GHz)
Less than –47dBm
(1.0 GHz–4.0 GHz)
5.0 W typical at 10% distortion with
a 4 Ω load
+2 dB to −8 dB of 6 dB/octave from
300 Hz to 2550 Hz
(at the 1 kHz reference)
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