IC-703
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GENERAL
| Type | Amateur HF transceiver |
|---|---|
| Frequency range | TX: 10-160 m + WARC RX: 0.03-30 MHz |
| Tuning steps | 1 / 10 / 100 Hz, 1 / 5 / 9 / 10 / 12.5 / 20 / 25 / 100 KHz |
| Frequency stability | ±0.5 ppm @ 0 to 50°C (32 to 122°F) |
| Mode | AM / FM / SSB / CW / RTTY |
| Channels / memory management | 99 regular 6 scan edges Non-volatile EEPROM storage |
| Repeater shift / offset | ±0-9.999 KHz (Quick split) |
| Power supply | 9-15.9 VDC |
| Current drain / power consumption | RX: 300-450 mA @ 9.6 VDCTX: Max 3 A @ 13.8 VDC |
| Antenna impedance / connector | 50 ohm / SO-239 |
| Dimensions (W*H*D) | 167*58*200 mm (6.57*2.28*7.87") |
| Weight | 2 Kg (4.41 lb) |
| Other features | CTCSS/PL with tone scan. Built-in memory keyer and auto-ATU. CI-V, AF-DSP. |
RECEIVER SECTION
| Receiver system | Double conversion superheterodyne 1st IF: 64.455 MHz 2nd IF: 455 KHz |
|---|---|
| Sensitivity | AM (10 dB S/N) 0.5-1.8 MHz: 13 uV 1.8-29.7 MHz: 2 uV FM (12 dB SINAD) 28-29.7 MHz: 0.5 uV SSB/CW (10 dB S/N) 1.8-29.7 MHz: 0.16 uV uV |
| Selectivity | AM/NFM 9 KHz (-6 dB)20 KHz (-50 dB) FM 15 KHz (-6 dB)30 KHz (-50 dB) SSB/CW 2.4 KHz (-6 dB)4.0 KHz (-60 dB) |
| Image rejection | Better than 70 dB |
| AF output power / speaker | 500 mW at 10% distortion / 8 ohm @ 9.6 VDC1 W at 10% distortion / 8 ohm @ 13.8 VDC |
| External speaker connector | 3.5 mm, 8 ohm (mono) |
TRANSMITTER SECTION
| RF output power | @ 9.6V@ 13.8V AM:0.1-2 W0.1-4 W FM:0.1-5 W0.1-10 W SSB (PEP):0.1-5 W0.1-10 W CW/RTTY:0.1-5 W0.1-10 W |
|---|---|
| AM | 0.1-2 W |
| FM | 0.1-5 W |
CW/RTTY
| Modulation system | AM: Low level modulation FM: Variable reactance modulation SSB: Balanced modulation |
|---|---|
| Max FM deviation (Factory set) | ±? KHz |
| Spurious emissions | Better than -60 dB |
| Microphone impedance / connector | 600 ohm / 8-pin (Modular) |
| Microphone input level | — |
MISCELLANEOUS
| Manufactured | Japan, 2002-200x (Discontinued) |
|---|---|
| Additional info | Please note that the IC-703 does not include the 6 m band, despite saying so on the front panel. Oddly enough, it's a printing error. The version with 6 m included is the IC-703 Plus. |
| AH-2b AH-4 AT-180 BP-228 FL-52A FL-53A FL-222 FL-257 HM-103 LC-156 MB-62 MB-63 MB-65 MB-72 OPC-581 OPC-587 OPC-589 OPC-598 OPC-599 OPC-1248 PS-125 SM-20 SP-7 SP-10 SP-12 UT-102 UT-106 | Mobile antenna element. 7-54 MHz. 2.5 m long Automatic antenna tuner, HF, 150 W Automatic antenna tuner, HF/6 m NiCd battery pack. 9.6 V, 2800 mAh 500 Hz narrow CW filter. IF: 455 KHz 250 Hz CW/RTTY super-narrow filter. IF: 455 KHz 1.8 KHz super narrow filter. IF: 455 KHz 3.3 KHz SSB wide filter. IF: 455 KHz Standard hand microphone Multi-bag with controller case Mobile mounting bracket Front panel mounting bracket Mounting base Carrying handle Separation cable. 3.5 m (11.5 ft) Separation cable. 5 m (16.4 ft) Microphone adapter cable 13-pin ACC cable 13-pin ACC connector to 7-pin + 8-pin ACC connectors CD power adapter cable DC power supply. 13.8 VDC, 25 A Desktop microphone. Up/down switches and lo-cut External speaker. 5 W, 8 ohms External speaker. 5 W, 8 ohms Slim-type external speaker. 3 W, 8 ohms Voice synthesizer unit DSP unit |
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