Icom IC-F3021S, Service Manual

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SECTION 1 SPECIFICATIONS
[USA], [GEN] [EUR]
GENERAL
• Frequency coverage 136–174 MHz
• Type of emission Wide 16K0F3E (25.0 kHz)
Middle – 14K0F3E (20.0 kHz)
Narrow 11K0F3E (12.5 kHz) 8K50F3E (12.5 kHz)
• Number of programable channels 128 channels (8 zones)
• Antenna impedance 50
Ω
(nominal)
• Operating temperature range −22˚F to +140˚F –25˚C to +55˚C
• Power supply requirement Specified Icom’s battery packs only (Operatable voltage; 7.2 V DC negative ground)
• Current drain
(approx.)
RX
Stand-by 75 mA
Max.audio 250 mA
TX
at 5 W 1.5 A
at 1 W 0.7 A
• Dimensions (projections not included) 2
3
/
32
(W) × 4
23
/
32
(H) × 1
9
/
32
(D) in 53.0 (W) × 120.0 (H) × 32.5 (D) mm
• Weight (with BP-231, approx.) 9.2 oz 260 g
TRANSMITTER
• Transmit output power 5 W (High), 2 W (Low2), 1 W (Low1)
• Modulation Variable reactance frequency modulation
• Max. permissible deviation Wide ±5.0 kHz
Middle – ±4.0 kHz
Narrow ±2.5 kHz
• Frequency error ±2.5 ppm ±1.5 kHz
• Spurious emission 80 dB typ. 0.25
µ
W (
≤
1 GHz), 1.0
µ
W (>1 GHz)
• Adjacent channel power Wide More than 70 dB (80 dB typ.)
Middle – More than 70 dB (80 dB typ.)
Narrow More than 60 dB (70 dB typ.)
• Audio harmonic distortion 3% typ. (with 1 kHz AF 40% deviation)
• FM hum and noise
(without CCITT filter) Wide More than 40 dB (46 dB typ.) –
Narrow More than 34 dB (40 dB typ.) –
• Residual modulation
(with CCITT filter) Wide – More than 45 dB (53 dB typ.)
Middle – More than 43 dB (51 dB typ.)
Narrow – More than 40 dB (48 dB typ.)
• Limiting charact of modulation 60–100% of max. deviation
• Microphone impedance 2.2 k
Ω
RECEIVER
• Receive system Double-conversion superheterodyne
• Intermediate frequencies 1st IF; 46.35 MHz, 2nd IF; 450 kHz
• Sensitivity 0.25
µ
V typ. at 12 dB SINAD −4 dB
µ
V (EMF) typ. at 20 dB SINAD
• Squelch sensitivity (at threshold) 0.25
µ
V typ. −4 dB
µ
V (EMF) typ.
• Adjacent channel
selectivity Wide More than 70 dB (75 dB typ.)
Middle − More than 70 dB (75 dB typ.)
Narrow More than 60 dB (65 dB typ.)
• Spurious response More than 70 dB
• Intermodulation More than 70 dB (75 dB typ.) More than 65 dB (67 dB typ.)
• Audio output power 0.5 W typ. at 5% distortion with an 8
Ω
load
• Audio output impedance 8
Ω
All stated specifications are subject to change without notice or obligation.
Measurements made in accordance with EIA-152-C/204D, TIA-603 ([USA], [GEN]) or EN 300 086 ([EUR]).