Icom IC-F43TR, Service Manual

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SECTION 1 SPECIFICATIONS
‘ ‘ GENERAL
• Frequency coverage : 400.000–470.000 MHz [H]
450.000–512.000 MHz [L]
• Mode : FM
• Type of emission : 16K0F3E (25.0 kHz) WIDE
11K0F3E (12.5 kHz) NARROW
• Number of conventional channels : 250 ch
• Antenna connector : 50
Ω
• Operating temperature range : –30˚C to +60˚C (–22˚F to +140˚F)
• Power supply requirement : 7.2 V DC nominal (negative ground)
• Current drain (at 7.2 V DC) :
• Dimensions (projections not included): 53.0(W)
×
120.0(H)
×
32.5(D) mm / 2 3 ⁄
32
(W)
✕
3 23 ⁄
32
(H)
✕
1 9 ⁄
32
(D) in
• Weight (Including BP-232) : Approximately 320 g (11 9 /
32
oz)
‘ ‘
TRANSMITTER
• Output power (at 7.2 V DC) : High: 4 W, Low: 1 W
• Modulation : Variable reactance frequency modulation
• Maximum permissible deviation : ±5.0 kHz (Wide), ±2.5 kHz (Narrow)
• Frequency error : ±2.5 ppm
• Spurious emissions : 70 dB (typical)
• Adjacent channel power : 70 dB min. (Wide), 60 dB min. (Narrow)
• Audio harmonic distortion : 3% typical (AF 1kHz, 40% deviation)
• Hum and Noise : 40 dB min (46 dB typical) for Wide
34 dB min (40 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: 46.35 MHz, 2nd: 450 kHz
• Sensitivity : 0.25 µV (–119 dBm) typical at 12 dB SINAD
• Adjacent channel selectivity : 70 dB min (75 dB typical) for Wide
60 dB min (65 dB typical) for Narrow
• Spurious response : 70 dB
• Intermodulation rejection ratio : 70 dB min (74 dB typical)
• Hum and Noise : 40 dB min (45 dB typical) for Wide
34 dB min (40 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
• Output impedance (Audio) : 8
Ω
Specifications are measured in accordance with EIA-152-C/204D, TIA-603.
All stated specifications are subject to change without notice or obligation.
RECEIVING TRANSMITTING
Stand-by
85 mA
Max. audio
300 mA
High (4 W)
1.7 A
Low (1 W)
0.8 A