Table of Contents
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SECTION 1.
M
GENERAL
• Frequency range
• Number of conventional channels
• Type of emission
• Antenna impedance
• Operating temperature range
• Power supply voltage
• Current drain (Approx.)
• Dimensions
(Projections not included)
• Weight
• Intermediate frequency
• Output impedance (Audio)
• Input impedance (Audio)
M
TRANSMITTER
• Output power
• Modulation
• Maximum frequency deviation
• Frequency stability
• Spurious emissions
• Adjacent channel power
• Audio harmonic distortion
• FM hum and Noise (Except [EUR], [UK])
(Without CCITT FILTER)
• Residual modulation ([EUR], [UK])
(With CCITT FILTER)
• Limitting charact of modulator
SPECIFICATIONS
: 400–470 MHz
: 16 channels
: [EUR]
Wide: 16K0F3E (25.0 kHz)
Middle: 14K0F3E (20.0 kHz)
Narrow: 8K50F3E (12.5 kHz)
Except [EUR] Wide: 16K0F3E (25.0 kHz)
Narrow: 11K0F3E (12.5 kHz)
: 50 Ω (Nominal)
: –30˚C to +60˚C; –22˚F to +140˚F
–25˚C to +55˚C
: Specified Icom's battery packs only (7.2 V DC; negative ground)
: Receiving
70 mA (stand-by)
330 mA (max. audio)
Transmitting
1.3 A (at 4.0 W)
: With BP-264 58.6 (W)×111.0 (H)×31.0 (D) mm; 2
With BP-265 58.6 (W)×111.0 (H)×35.5 (D) mm; 2
: With BP-264 Approx. 330 g; 11
With BP-265 Approx. 270 g; 9
: 1st
46.35 MHz
2nd 450 kHz
: 8 Ω
: 2.2 kΩ
: 4 W
: Variable reactance frequency modulation
: Narrow
±2.5 kHz
Middle
±4.0 kHz
Wide
±5.0 kHz
: ±2.5 ppm
: 70 dB min.
0.25 µW (≤1 GHz), 1.0 µW (>1 GHz)
: Narrow
60 dB min., 66 dB typ.
Middle
70 dB min., 73 dB typ.
Wide
70 dB min., 73 dB typ.
: Wide, Middle 1.0% typ. at AF 1 kHz 40 % deviation
Narrow
1.5% typ. at AF 1 kHz 40 % Deviation
: Narrow
34 dB min., 40 dB typ.
Wide
40 dB min., 46 dB typ.
: Narrow
40 dB min.
Middle
43 dB min.
Wide
45 dB min.
: 60–100% of max. deviation
1 - 1
5
/
(W)×4
16
5
/
(W)×4
16
21
/
oz.
32
17
/
oz.
32
Except [EUR], [UK]
[EUR], [UK]
3
7
⁄
(H)×1
⁄
(D) in.
8
32
3
13
⁄
(H)×1
⁄
(D) in.
8
32
Except [EUR], [UK]
[EUR], [UK]
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Table of Contents
Need help?
Do you have a question about the IC-F4001 and is the answer not in the manual?
Questions and answers
ptt pressed but not tx
The Icom IC-F4001 may not be transmitting when the PTT is pressed due to several possible reasons:
1. Transmit Inhibit Function – Transmission is restricted if:
- The channel is muted (PMR operation only).
- The channel is busy.
- A signal with an unmatched (or matched) CTCSS or DTCS tone is received.
- The selected channel is a "receive only" channel.
2. Time-Out Timer – If the transceiver has been transmitting continuously beyond the pre-programmed time limit, the time-out timer activates and stops further transmission.
3. Penalty Timer – After the time-out timer activates, the penalty timer may further inhibit transmission for a set period.
4. Power Supply Issues – If the transceiver is connected to a power supply with incorrect voltage or reversed polarity, it may not function properly.
5. Antenna Damage – If an RF signal stronger than 20 dBm (100 mW) was applied to the antenna connector, the transceiver’s front-end could be damaged, affecting transmission.
Checking these factors can help identify and resolve the issue.
This answer is automatically generated
Q73 trasistor does not work when PTT pressed but software is ok