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SECTION 1
SPECIFICATIONS
‘
‘
GENERAL
• Frequency coverage
: 136.000–174.000 MHz
• Mode
: FM
• Type of emission
:
• Number of conventional channels
: 128 ch, 8banks
• Antenna connector : SMA type (50
Ω
)
• Operating temperature range
: –30 ˚C to +60˚C (–22 ˚F to +140˚F)
[USA], [GEN]
–25 ˚C to +55˚C
[EUR]
• Power supply requirement
: 7.2 V DC nominal (negative ground)
• Current drain (at 7.2 V DC)
:
• 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 (Including BP-223)
: Approximately 280 g (9.88 oz)
‘
‘
TRANSMITTER
• Output power (at 7.2 V DC)
: High: 5 W, Low: 1 W
• Modulation
: Variable reactance frequency modulation
• Maximum permissible deviation
: ±5.0 kHz (Wide), ±4.0 kHz (Middle), ±2.5 kHz (Narrow)
• Frequency error
: ±2.5 ppm
• Spurious emissions
: 70 dB (typical)
[USA], [GEN]
0.25 µW (
≤
1 GHz), 1.0 µW (
≥
1 GHz)
[EUR]
• Adjacent channel power
: 70 dB min. (Wide, Middle), 60 dB min. (Narrow)
• Audio harmonic distortion
: 3 % typical (AF 1kHz, 40 % deviation)
• *
1
Hum and Noise ([USA], [GEN] only)
: 40 dB min (46 dB typical) for Wide
(without CCITT filter)
34 dB min (40 dB typical) for Narrow
• *
1
Residual modulation ([EUR] only)
: 45 dB min (55 dB typical) for Wide
(with CCITT filter)
43 dB min (53 dB typical) for Middle
40 dB min (50 dB typical) for Narrow
• Limiting charact of modulator
: 60–100 % of maximum deviation
• Microphone impedance
: 2.2 k
Ω
‘
‘
RECEIVER
• Receive system
: Double conversion superheterodyne system
• Intermediate frequencies
: 1st IF: 46.35 MHz, 2nd IF: 450 kHz
• Sensitivity
: 0.25 µV (–119 dBm) typical at 12 dB SINAD
[USA], [GEN]
0.63 µV (–111 dBm) emf typical at 20 dB SINAD
[EUR]
• Adjacent channel selectivity
: 70 dB min (75 dB typical) for Wide and Middle
60 dB min (65 dB typical) for Narrow
• Spurious response
: 70 dB
• Intermodulation rejection ratio
: 70 dB min (74 dB typical)
[USA], [GEN]
65 dB min (67 dB typical)
[EUR]
• *
1
Hum and Noise ([USA], [GEN] only)
: 40 dB min (45 dB typical) for Wide
(without CCITT filter)
34 dB min (40 dB typical) for Narrow
• *
1
Hum and Noise ([EUR] only)
: 45 dB min (55 dB typical) for Wide
(with CCITT filter)
43 dB min (53 dB typical) for Middle
40 dB min (50 dB typical) for Narrow
• Audio output power
: 0.5 W typical at 5% distortion with an 8
Ω
load
• Squelch sensitivity (at threshold)
: 0.25 µV typical
[USA], [GEN]
0.63 µV (–111 dBm) emf typical
[EUR]
• Output impedance (Audio)
: 8
Ω
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.
VERSION
[USA], [GEN]
[EUR]
WIDE
16K0F3E (25.0 kHz)
MIDDLE
14K0F3E (20.0 kHz)
NARROW
11K0F3E (12.5 kHz)
8K0F3E (12.5 kHz)
RECEIVING
TRANSMITTING
Stand-by
85 mA
Max. audio
300 mA
High (5 W)
1.8 A
Low (1 W)
0.7 A
Summary of Contents for VHF IC-F50
Page 1: ...SERVICE MANUAL VHF TRANSCEIVER ...
Page 31: ...R601 VHF B6034B 9 3 VR BOARD TOP VIEW BOTTOM VIEW 9 5 ...
Page 37: ......
Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14007IZ C1 2003 Icom Inc ...
Page 39: ...SERVICE MANUAL UHF TRANSCEIVER ...
Page 71: ...R601 B6034B 9 3 VR BOARD TOP VIEW BOTTOM VIEW 9 5 ...
Page 77: ......
Page 78: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14010IZ C1 2004 Icom Inc ...