Specifications - Icom IC-M422 Service Manual

Vhf marine transceiver
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SECTION 1
M
GENERAL
• Frequency coverage
• Type of emission
• Antenna impedance
• Operating temperature range
• Power supply requirement
• Current drain (At 13.8 V DC ; approx.)
• Dimensions (Projections not included)
• Weight (Approx.)
M
TRANSMITTER
• Output power (At 13.8 V DC)
• Modulation
• Maximum frequency deviation
• Frequency error
• Spurious emissions
• Adjacent channel power
• Audio harmonic distortion
• Residual modulation
• Audio frequency response
• Microphone impedance
M
RECEIVER
• Receive system
• Intermediate frequencies
• Sensitivity
• Squelch sensitivity (At threshold)
• Adjacent channel selectivity
• Spurious response
• Intermodulation rejection ratio
• Hum and Noise
• Audio frequency response
• Audio output power
• Output impedance (Audio)
Specifications are measured in accordance with TIA/EIA 603
All stated specifications are subject to change without notice or obligation.

SPECIFICATIONS

: TX
RX
: 16K0G3E, 16K0G2B (DSC)
: 50 Ω (Nominal)
: –4˚F to +140˚F
: 13.8 V DC ±15% (negative ground)
: Receiving
Transmitting
15
: 6
/
: 2 Ib 5
: 25 W (High)/1 W (Low)
: Variable reactance frequency modulation
: ±5.0 kHz
: Less than ±10 ppm
: Less than 70 dBc
: More than 70 dB
: Less than 10% (at 60% deviation)
: More than 40 dB
: +1 dB to –3 dB of 6 dB oct. from 300 Hz to 2500 Hz
: 2 kΩ
: Double conversion superheterodyne system
: 1st IF: 21.7 MHz, 2nd IF: 450 kHz
: –13 dBµ typical at 12 dB SINAD
: Less than –13 dBµ
: More than 70 dB
: More than 70 dB
: More than 70 dB
: More than 40 dB
: +1 dB to –3 dB of 6 dB oct. from 300 Hz to 3000 Hz
: 4.5 W typical at 10% distortion with a 4 Ω load
: 4 Ω
156.025–157.425 MHz
156.050–163.275 MHz
1.5 A (at max. audio)
5.5 A (at 25 W)
(W)×3
1
(H)×5
15
(D) in.
32
16
32
3
oz.
4
1 - 1

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