Icom IC-450 - Specifications and Options; Technical Specifications

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SPECIFICATIONS AND OPTIONS
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General D
•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
•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withHM-212(approximately)
DC 13.8 V: RX stand-by 500 mA
RX Maximum audio 1500 mA
TX (5 W) 2000 mA
DC 27.6 V: RX stand-by 300 mA
RX Maximum audio 1000 mA
TX (5 W) 1300 mA
•Dimensions: 125(W)× 29 (H) × 180 (D) mm
(Projections not included)
•Weight(approximately): 1011g(withHM-212)
Transmitter D
•Outputpower: 5W/1W(selectable)
•Modulationsystem:  Variable reactance frequency modulation
•Max.frequencydeviation: ±2.5kHz
•Frequencyerror: ±2.5ppm
•Spuriousemissions: Lessthan–30dBm
•Adjacentchannelpower: Lessthan–16dBm
•Audioharmonicdistortion: 1%typical(60%deviation)
•Residualmodulation: 40dBtypical
• Limiting characteristic of modulator :70to100%ofmaximumdeviation
Receiver D
[CB (476.425–477.4125 MHz)]
•Sensitivity(12dBSINAD): 0.22µVtypical
•Squelchsensitivity: 0.2µVtypical(Threshold)
•Humandnoise: 48dBtypical
• Intermodulation rejection ratio: 72 dB typical
• Spurious response rejection ratio : 80 dB typical
•Adjacentchannelselectivity: 68dBtypical
• Conducted spurious radiation : Less than –57 dBm
(9 kHz–1.0 GHz)
Less than –47dBm
(1.0 GHz–4.0 GHz)
•Audiooutputpower: 5.0Wtypicalat10%distortionwith
a 4 Ω load
•Audiofrequencyresponse: +2dBto−8dBof6dB/octavefrom
300 Hz to 2550 Hz
(at the 1 kHz reference)
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