Icom IC-F50V Service Manual - Section 1
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SECTION 1
SPECIFICATIONS
M
GENERAL
• Frequency coverage
: TX/RX
136–174 MHz
• Number of conventional channels
: 128 ch / 8 banks
• Type of emission
: Wide
16K0F3E (25.0 kHz)
Middle
14K0F3E (20.0 kHz)
[EUR] only
Narrow
11K0F3E (12.5 kHz)
• Antenna impedance
: 50
Ω
(Nominal)
• Operating temperature range
: –30˚C to +60˚C; –22˚F to +140˚F
[USA], [EXP], [CHN]
–25˚C to +55˚C
[EUR]
• Power supply requirement (nominal)
: Specified Icom's battery packs only (7.2 V DC; negative ground)
• Current drain (Approx.)
: Receiving
85 mA (stand-by)
500 mA (max. audio with internal speaker)
350 mA (max. audio with external speaker)
Transmitting
1.8 A (at 5.0 W)
0.7 A (at 1.0 W)
• Dimensions (Projections not included)
: 56.0 (W)
×
97.0 (H)
×
36.4 (D) mm; 2
7
/
32
(W)
×
3
13
⁄
16
(H)
×
1
7
⁄
16
(D) in.
• Weight (Incl. BP-227)
: Approx. 280 g; 9
7
/
8
oz.
M
TRANSMITTER
• Output power
: 5 W (High)/2 W (Low2)/1 W (Low1)
• Modulation
: Variable reactance frequency modulation
• Maximum frequency deviation
: ±5.0 kHz (Wide)
±4.0 kHz (Middle)
[EUR] only
±2.5 kHz (Narrow)
• Frequency stability
: ±2.5 ppm
• Spurious emissions
: 70 dB typ.
[USA], [EXP], [CHN]
0.25
μ
W (
≤
1 GHz), 1.0
μ
W (
>
1 GHz)
[EUR]
• Adjacent channel power
: 70 dB min. (Wide, Middle)
60 dB min. (Narrow)
• Audio harmonic distortion
: 3% (at AF 1 kHz 40% deviation)
• FM Hum and noise (without CCITT filter)
[USA], [EXP], [CHN] only
: 40 dB min., 46 dB typ. (Wide)
34 dB min., 40 dB typ. (Narrow)
• Residual modulation (with CCITT filter)
[EUR]
only
: 50 dB min., 55 dB typ. (Wide)
43 dB min., 53 dB typ. (Middle)
40 dB min., 50 dB typ. (Narrow)
• Limitting charact of modulator
: 60–100% of max. deviation
• Microphone impedance
: 2.2 k
Ω
M
RECEIVER
• Receive system
: Double-conversion superheterodyne system
• Intermediate frequencies
: 1st IF: 46.35 MHz, 2nd IF: 450 kHz
• Sensitivity
: 0.25
μ
V typ. at 12 dB SINAD
[USA], [EXP], [CHN]
–4 dBµ V (EMF) typ. at 20 dB SINAD
[EUR]
• Squelch sensitivity (at threshold)
: 0.25
μ
V typ.
[USA], [EXP], [CHN]
–4 dBµ V (EMF) typ.
[EUR]
• Adjacent channel selectivity
: 70 dB min., 75 dB typ. (Wide, Middle)
60 dB min., 65 dB typ. (Narrow)
• Spurious response
: 70 dB
• Intermodulation rejection ratio
: 70 dB min., 74 dB typ.
[USA], [EXP], [CHN]
65 dB min., 67 dB typ.
[EUR]
• Hum and noise (without CCITT filter)
[USA], [EXP], [CHN] only
: 40 dB min., 45 dB typ. (Wide)
34 dB min., 40 dB typ. (Narrow)
• Hum and noise (with CCITT filter)
[EUR] only
: 45 dB min., 55 dB typ. (Wide)
43 dB min., 53 dB typ. (Middle)
40 dB min., 50 dB typ. (Narrow)
• Audio output power
(at 5% distortion with an 8
Ω
load)
: 0.7 W typ. (max. audio with internal speaker)
0.5 W typ. (max. audio with external speaker)
• Audio output impedance
: 8
Ω
Specifications are measured in accordance with TIA/EIA 603 ([USA], [EXP], [CHN]) or EN 300 086 ([EUR]).
All stated specifications are subject to change without notice or obligation.