|
General |
|
Frequency range :
IC-F520/F521
IC-F620/F621
|
136 - 174MHz
480 - 512MHz
|
|
Number of channels |
Max. 256 Ch/ 16 banks |
|
Channel spacing |
12.5/15kHz/25/30kHz |
|
Antenna impedance |
50Ω |
|
Frequency error |
±5.0ppm (VHF)
±2.5ppm (UHF)
|
|
PLL channel step (KHz) |
2.5kHz, 5 kHz and 6.25 kHz |
|
Power supply requirement |
13.6V DC |
|
Output power and current drain (approx):
|
|
IC-F520 |
IC-F521 |
IC-F620 |
IC-F621 |
|
Output Power
|
25W |
50W |
25W |
45W |
|
Transmit High
|
7A |
14A |
7A |
13A |
|
Receive |
AF max.
|
1200mA |
1200mA |
1200mA |
1200mA |
|
Stand-by |
300mA |
300mA |
300mA |
300mA |
|
|
Operating temp. range |
-30°C to +60°C; -22°F to +140°F |
|
Dimensions
(projections not included)
|
140(W) × 40(H) × 170(D) mm;
51/2(W) × 19/16(H) × 611/16(D)
in
|
|
Weight |
1.2kg; 2lb 10oz |
|
Transmitter |
|
Modulation system |
Variable reactance frequency modulation |
|
Max. frequency deviation |
±2.5kHz (narrow)
±5kHz (wide)
|
|
Modulation limiting |
70-100% (VHF)
60-100% (UHF)
|
|
Audio harmonic distortion |
3% typ. (40% deviation) |
|
Spurious emissions |
70dB |
|
Adjacent channel power |
60dB (narrow)
70dB (wide)
|
|
FM Hum and Noise |
40dB typ. (narrow)
46dB typ. (wide)
|
|
External MIC impedance |
600Ω (8-pin modular) |
|
Receiver |
|
Sensitivity |
0.25µV typ. (at 12 dB SINAD) |
|
Squelch sensitivity |
0.25µV typ. (at threshold) |
|
Adjacent channel selectivity |
65dB typ. (narrow)
75dB typ. (wide)
|
|
Spurious response |
70dB |
|
Intermodulation |
75dB typ. (wide) |
|
Hum and noise ratio |
40dB typ. (narrow)
45dB typ. (wide)
|
|
Audio output power |
4W typ. at 10% distortion with a 4Ω load |
|
External SP connector |
2-conductor 3.5 (d) mm (1/8")/4Ω |
Applicable U.S. Military Specifications
Icom makes rugged products that meet MIL-STD requirements and strict
environmental standards as follows.
|
Standard |
MIL 810 C
|
MIL 810 D
|
MIL 810 E
|
MIL 810 F
|
|
Low Pressure
|
500.1 |
I |
500.2 |
I, II
|
500.3 |
I, II
|
500.4 |
I, II
|
|
High Temp.
|
501.1 |
I |
501.2 |
I, II
|
501.3 |
I, II
|
501.4 |
I, II
|
|
Low Temp.
|
502.1 |
I |
502.2 |
I, II
|
502.3 |
I, II
|
502.4-3 |
I, II
|
|
Temp. Shock
|
503.1 |
I |
503.2 |
I |
503.3 |
I |
503.4 |
I |
|
Solar Radiation
|
505.1 |
I |
505.2 |
I |
505.3 |
I |
505.4 |
I |
|
Rain |
506.1 |
I, II
|
506.2 |
I, II
|
506.3 |
I, II
|
506.4 |
I, II
|
|
Humidity |
507.1 |
I, II
|
507.2 |
II, III
|
507.3 |
II, III
|
507.4 |
– |
|
Salt Fog
|
509.1 |
I |
509.2 |
I |
509.3 |
I |
509.4 |
– |
|
Dust Blowing
|
510.1 |
I |
510.2 |
I |
510.3 |
I |
510.4 |
I |
|
Vibration |
514.2 |
VIII, X
|
514.3 |
I |
514.4 |
I |
514.5 |
I |
|
Shock |
516.2 |
I, II, V
|
516.3 |
I, IV
|
516.4 |
I, IV
|
516.5 |
I, IV
|
Measurements made in accordance with EIA-152C/204D, TIA-603.
All stated specifications are subject to change without notice or
obligation.
Supplied Accessories
- Hand mic. (HM-100N)
- Fuses
- DC power cable
- Key assign stickers
- Mounting bracket kit