Icom IC-F51 - Manual (Page 4)

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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