Icom IC-F50 Service Manual page 42

SECTION 1
' ' GENERAL
• Frequency coverage
• Mode
• Type of emission
• Number of conventional channels
• Antenna connector
• Operating temperature range
• Power supply requirement
• Current drain (at 7.2 V DC)
• Dimensions (projections not included)
• Weight (Including BP-223)
' ' TRANSMITTER
• Output power (at 7.2 V DC)
• Modulation
• Maximum permissible deviation
• Frequency error
• Spurious emissions
• Adjacent channel power
• Audio harmonic distortion
• Hum and Noise ([USA], [GEN] only) : 40 dB min (46 dB typical) for Wide
(without CCITT filter)
• Residual modulation ([EUR] only)
(with CCITT filter)
• Limiting charact of modulator
• Microphone impedance
' ' RECEIVER
• Receive system
• Intermediate frequencies
• Sensitivity
• Adjacent channel selectivity
• Spurious response
• Intermodulation rejection ratio
• Hum and Noise ([USA], [GEN] only) : 40 dB min (45 dB typical) for Wide
(without CCITT filter)
• Hum and Noise ([EUR] only)
(with CCITT filter)
• Audio output power
• Squelch sensitivity (at threshold)
• Output impedance (Audio)
Specifications are measured in accordance with EIA-152-C/204D, TIA-603 or EN 300 086.
All stated specifications are subject to change without notice or obligation.
SPECIFICATIONS
: 400.000–470.000 MHz
450.000–512.000 MHz
450.000–520.000 MHz
: FM
:
VERSION WIDE
[USA], [GEN]
16K0F3E (25.0 kHz)
[EUR]
: 128 ch, 8 banks
: SMA type (50 Ω)
: –30˚C to +60˚C (–22˚F to +140˚F)
–25˚C to +55˚C
: 7.2 V DC nominal (negative ground)
:
Stand-by
85 mA
: 56.0(W)×97.0(H)×36.4(D) mm / 2
: Approximately 280 g (9.88 oz)
: High: 4 W, Low: 1 W
: Variable reactance frequency modulation
: ±5.0 kHz (Wide), ±4.0 kHz (Middle), ±2.5 kHz (Narrow)
: ±2.5 ppm
: 70 dB (typical)
0.25 µW (≤ 1 GHz), 1.0 µW (≥ 1 GHz)
: 70 dB min. (Wide, Middle), 60 dB min. (Narrow)
: 3 % typical (AF 1kHz, 40 % deviation)
34 dB min (40 dB typical) for Narrow
: 45 dB min (55 dB typical) for Wide
43 dB min (53 dB typical) for Middle
40 dB min (50 dB typical) for Narrow
: 60–100 % of maximum deviation
: 2.2 kΩ
: Double conversion superheterodyne system
: 1st IF: 46.35 MHz, 2nd IF: 450 kHz
: 0.25 µV (–119 dBm) typical at 12 dB SINAD
0.63 µV (–111 dBm) emf typical at 20 dB SINAD
: 70 dB min (75 dB typical) for Wide and Middle
60 dB min (65 dB typical) for Narrow
: 70 dB
: 70 dB min (74 dB typical)
65 dB min (67 dB typical)
34 dB min (40 dB typical) for Narrow
: 45 dB min (55 dB typical) for Wide
43 dB min (53 dB typical) for Middle
40 dB min (50 dB typical) for Narrow
: 0.5 W typical at 5% distortion with an 8 Ω load
: 0.25 µV typical
0.63 µV (–111 dBm) emf typical
: 8 Ω
MIDDLE
14K0F3E (20.0 kHz)
RECEIVING TRANSMITTING
Max. audio High (4 W)
300 mA 2.0 A
7
⁄ (W)
32
1 - 1
[USA], [EUR], [GEN]
[USA]
[GEN]
NARROW
11K0F3E (12.5 kHz)
8K0F3E (12.5 kHz)
[USA], [GEN]
[EUR]
Low (1 W)
0.8 A
✕ ✕
13 7
3 ⁄ (H) 1 ⁄ (D) in
16 16
[USA], [GEN]
[EUR]
[USA], [GEN]
[EUR]
[USA], [GEN]
[EUR]
[USA], [GEN]
[EUR]