General |
Frequency coverage |
0.03–60.000000 MHz*
*0.03–29.999999 MHz only for Asia version; specifications guaranteed
0.1–29.99 MHz and 50–54 MHz only. |
Mode |
USB, LSB, CW, RTTY, AM, FM |
Number of memory channels |
101 (99 regular, 2 scan edges) |
Frequency stability |
Less than ±7 ppm from 1 min. to 60 min. after
power on. After that rate of stability less than ±1
ppm/hr. at +25°C (+77°F). Temperature fluctuations
0°C to +50°C (+32°F to +122°F) less than ±5 ppm. |
Power supply requirement |
13.8 V DC ±15% (negative ground) |
Current drain (at 13.8 V DC)
Standby
Max. audio
|
0.9 A
1.1 A |
Antenna connector |
SO-239 (50 Ω), push connection terminal (500 Ω) |
Dimensions |
241(W) × 94(H) × 229(D) mm
91⁄2(W) × 31⁄16(H) × 91⁄32(D)
in |
Weight (approx.) |
3.0 kg; 6 lb 10 oz |
REMOTE connector |
RS-232C D-sub 9-pin |
CI-V connector |
2-conductor 3.5 (d) mm (1⁄8″) |
Receiver |
Receive system |
Triple-conversion super heterodyne system |
Intermediate frequencies
|
|
1st (MHz) |
2nd (MHz) |
3rd (kHz) |
USB*/LSB* |
69.0115 |
9.0115 |
455 |
CW* |
69.0106 |
9.0106 |
455.9 |
RTTY* |
69.0105 |
9.0105 |
456 |
AM* |
69.0100 |
9.0100 |
450 |
FM* |
69.0115 |
9.0115 |
450 |
*May differ according to selected IF filter. |
Sensitivity |
Frequency Range |
SSB/CW/RTTY
10 dB S/N
|
AM
10 dB S/N
|
FM
12 dB SINAD
|
0.1–1.8 MHz*1 |
2.0 μV |
5.6 μV |
— |
1.8–28 MHz*2 |
0.16 μV |
1.6 μV |
— |
28–29.99 MHz*2 |
0.16 μV |
1.6 μV |
0.22 μV |
50–54 MHz*3 |
0.13 μV |
1.0 μV |
0.2 μV |
*1 Preamp: OFF; *2 Preamp 1:
ON; *3 Preamp 2: ON |
SQL sensitivity (threshold)
|
SSB, CW, RTTY |
Less than 5.6 μV*1 |
FM |
Less than 0.32 μV *2 |
*1 Preamp 1: ON
*2 Preamp 2: ON
|
Selectivity
SSB, CW, RTTY
AM
FM |
More than 2.1 kHz/–6 dB
Less than 4.0 kHz/–60 dB
More than 6 kHz/–6 dB
Less than 20 kHz/–50 dB
More than 12 kHz/–6 dB
Less than 30 kHz/–40 dB
|
Spurious and image rejection ratio |
More than 70 dB (except IF through/50 MHz band) |
Audio output power |
More than 2.0 W at 10% distortion with an 8Ω load |
PHONES connector |
3-conductor 6.35 (d) mm (1⁄4″) |
External SP connector |
2-conductor 3.5 (d) mm (1⁄8″)/8Ω |
The IC-R75 has been tested to and passed the MIL-STD requirements and strict environmental
standards for shock (MIL 810C, D, E) and vibration
(MIL 810C, D, E).