Icom IC-M302 Service Manual page 4

SECTION 1
' ' GENERAL
• Frequency coverage
• Mode
• Usable channels
• Power supply requirement
• Usable temperature range
• Current drain (at 13.8 V DC)
• Antenna impedance
• Input impedance (MIC)
• Output impedance (Audio)
• Dimensions (projections not included)
• Weight
' ' TRANSMITTER
• Output power (at 13.8 V DC)
• Modulation
• Maximum frequency deviation
• Frequency tolerance
• Spurious emissions
• Adjacent channel power
• Residual modulation
• Audio harmonic distortion
• Audio frequency response
' ' RECEIVER
• Receive system
• Intermediate frequencies
• Sensitivity
• Squelch sensitivity
• Adjacent channel selectivity
• Spurious response
• Intermodulation rejection ratio
• Hum and noise
• Audio output power (at 13.8 V DC)
• Audio frequency response
Specifications are measured in accordance with TIA/EIA-603
All stated specifications are subject to change without notice or obligation.
SPECIFICATIONS
: 156.025–157.425 MHz (Tx)
156.050–163.275 MHz (Rx)
: 16K0G3E (FM)
16K0G2B (DSC)
: All USA, international and Canadian channels
plus 10 weather channels
: 13.8 V DC ±10 %
: –20˚C to +60˚C; –4˚F to +140˚F
: Transmit
Receive
: 50 Ω
(nominal)
: 2 kΩ
: 4 Ω
: 153(W) × 67(H) × 132(D) mm; 6(W)×2
: Approx. 825 g; 1 lb 13 oz
: High
Low
: Variable reactance frequency modulation
: ±5.0 kHz
: ±10 ppm
: –70 dBc (High power)
–56 dBc (Low power)
: 70 dB
: 40 dB
: Less than 10% at 60% deviation
: +1 dB to –3 dB of 6 dB octave from 300 Hz to 2500 Hz
: Double conversion superheterodyne system
: 1st
2nd
: 0.22 µV at 12 dB SINAD
: Less than 0.22 µV
: More than 70 dB
: More than70 dB
: More than70 dB
: More than40 dB
: 4.5 W typical
: +1 dB to –3 dB of –6 dB octave from 300 Hz to 3000 Hz
(negative ground)
at 25 W 5.5 A (Max.)
max. audio 1.5 A (Max.)
25 W
1 W
21.7 MHz
450 kHz
at 10% distortion with an 4 Ω load
1 - 1
5 ⁄ (H)×5 3 ⁄ (D) in
8 16