Icom IC-A25N Service Manual page 2

March 2019
SECTION 1
The underlined parts have been updated from the previous version of the addendum, or the original page.
Frequency coverage (Unit: MHz)
Channel spacing
Type of emission
Number of memory channels
Usable temperature range
Frequency stability
Power supply
Current drain (at 7.2 V DC)
Transmit
Receive
Antenna connector
Dimensions (projections not included)
Weight (approximate)
Modulation system
Output power (at 7.2 V DC)
Modulation limiting
Modulation depth
Spurious emissions
Audio harmonic distortion
Ham and noise ratio
Microphone impedance
Receive system
Intermediate frequencies
*
Sensitivity 4
Audio output power
Adjacent Channel rejection
Ham and noise
Spurious response rejection ratio AM
Squelch Sensitivity (threshold)
*
1 When GPS, Bluetooth, and backlight are OFF.
*
2 Except ±62.5 kHz from the operating frequency, in the AM mode, and ±20.825 kHz, in the AM narrow mode.
*
3 30 MHz to 1 GHz, except ±1 MHz from the operating frequency.
*
4 The input signal strength level of this receive sensitivity is measured at the load end (PD).
Measurements made in accordance with FCC Part87 (IC-A25N and IC-A25C), or EN300 676 (IC-A25NE and IC-A25CE).
All stated specifications are typical and subject to change without notice or obligation.
(Replacement page)
SPECIFICATIONS
TX
RX
136.99166
WX
–10°C~+60°C, +14°F~+140°F
*
1
(Maximum AF output)
(Standby)
58.9 (W)×148.4 (H)×31.8 (D) mm, 2.3(W)×5.8 (H)×1.3 (D) inches
PEP
Carrier Wave
Less than 10% (at 60% Mod.)
1st
2nd
COM
Less than 0 dBμ (at 6 dB S/N)
VOR Less than 0 dBμ
(at 6 dB S/N)
WX
More than 350 mW with 60% Mod. at 10% distortion into an 8 Ω load
More than 35 dB at 30% Mod.
FM (WX)
COM/VOR
WX
IC-A25N IC-A25C
118.000~136.99166
108.000~ 118.000~
136.99166
161.650~163.275
25 kHz/8.33 kHz
6K00A3E/5K60A3E,
16K0G3E (WX)
300 channels
±0.4 kHz
7.2 V DC standard or 11.0 V DC at the external DC jack
Less than 1.8 A
Less than 500 mA
90 mA typical
BNC (50 Ω)
200 g, 7.1 oz (Without battery pack, battery case, and antenna)
Low level modulation
70~100%
–
*
2
More than 46 dB
More than 35 dB
Double Conversion Superheterodyne
46.35 MHz
450 kHz
–
Less than –8 dBμ
(at 12 dB SINAD)
–
More than 60 dB
More than 30 dB
Less than 0 dBμ
Less than –5 dBµ
1-1a
IC-A25NE IC-A25CE
108.000~ 118.000~
136.99166 136.99166
–
6K80A3E/5K00A3E
–20°C~+55°C
±1 ppm
6.0 W
1.8 W
–
85%
Less than –36 dBm
Less than 10%
(at 85% Mod. input level +3 dB)
–
150 Ω
Less than 0 dBμ
(at 12 dB SINAD: with CCITT)
Less than 0 dBμ
(at 6 dB S/N)
–
More than 60 dB
More than 40 dB at 90% Mod.
More than 70 dB
–
–
*
3
–