IC-475H - 440 MHz Base Transceiver

GENERAL

• Frequency Coverage: 430.0000~450.0000 MHz
• Number of memory channels:

  99 memory channels

  1 call channel

  2 scan edge channels

• Antenna impedance: 50 ohms (unbalanced)
• Frequency stability: ±5 ppm (0°C to +50°C; +32°F to +122°F)
• Power Supply Requirement: 13.8 V DC ±15%
• Current Drain (at 13.8 V DC):

  Transmit (at max. output): approx. 20 A

  Receive (squelched): approx. 1.1 A

  Receive (max. audio output): 1.3 A

• Usable Temperature Range: -10°C to +60°C; +14°F to +140°F
• Dimensions (projections not included): 241(W) x 95(H) x 239(D) mm, 9.5(W) x 3.7(H) x 9.4(D) in
• Weight: 6.0 kg; 13.2 lb.

Transmitter

• Emission modes: FM (F3), SSB (A3J), CW (A1)
• RF output power: 10~75 W (continuously adjustable)
• Modulation system:

  SSB: Balanced modulation

  FM: Variable reactance frequency modulation

• Maximum frequency deviation: ±5 kHz (FM mode)
• Spurious emissions: More than 60 dB below peak output power
• Carrier suppression: More than 40 dB below peak output power
• Unwanted sideband: More than 40 dB below peak output power
• Microphone impedance: 600 ohms

Receiver

• Receive system:

  SSB, CW: Quadruple conversion superheterodyne

  FM: Triple conversion superheterodyne

• Intermediate frequencies:

  1st: 70.4515 MHz (SSB, FM); 70.4506 MHz (CW)

  2nd: 9.0115 MHz (SSB, FM); 9.0106 MHz (CW)

  3rd: 455 kHz (all modes)

  4th: 9.0115 MHz (SSB, FM); 9.0106 MHz (CW)

• Sensitivity:

  SSB, CW: Less than 0.1 µV for 10 dB S/N

  FM: Less than 0.18 µV for 12 dB SINAD

• Squelch sensitivity:

  FM: Less than 0.14 µV

  SSB: Less than 0.56 µV

• Selectivity:

  SSB, CW: 2.3 kHz/-6 dB ; 4.0 kHz/-60 dB

  FM: 15.0 kHz/-6 dB ; 30.0 kHz/-60 dB

• Spurious and image rejection response: More than 70 dB
• Audio output power: More than 2 W at 10% distortion with an 8 ohm load
• RIT variable range: ±9.99 kHz

IC-475H Options

• PS-55 DC POWER SUPPLY: 13.8 V DC, 20 A
• IC-PS30 DC POWER SUPPLY: 13.8 V DC, 25 A
• IC-SP3 EXTERNAL SPEAKER: 8 ohms, 4 W
• SP-7 EXTERNAL SPEAKER: 8 ohms, 5 W
• SP-20 EXTERNAL SPEAKER 8 ohms, 5 W
• SM-6 DESKTOP MICROPHONE
• SM-8 DESKTOP MICROPHONE
• SM-20 DESKTOP MICROPHONE
• AG-25 WEATHERPROOF 144 MHz PREAMPLIFIER
• GC-5 WORLD CLOCK
• UT-36 VOICE SYNTHESIZER UNIT
• UT-34 TONE SQUELCH UNIT
• FL-32A CW NARROW FILTER: 500 Hz/-6 dB
• CR-64 HIGH-STABILITY CRYSTAL UNIT
• CT-16 SATELLITE INTERFACE UNIT
• CT-17 CI-V LEVEL CONVERTER
• IC-MB5 MOBILE MOUNTING BRACKET
• MB-23 CARRYING HANDLE