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IC-705

All Mode Portable

Specifications

Specifications

General

Frequency coverage (Unit: MHz)

Receiver

0.030–199.999*
400.000–470.000*

Transmitter

1.800–1.999
3.500–3.999
5.255–5.405*
7.000–7.300
10.100–10.150
14.000–14.350
18.068–18.168
21.000–21.450
24.890–24.990
28.000–29.700
50.000–54.000
144.000–148.000
430.000–450.000

Mode

USB, LSB, CW, RTTY, AM, DV, FM, WFM (Rx only)

No. of memory channels

Memory channels: 500 channels (100 groups)

Scan edges: 25 channels

Call channels: 4 channels (2 channels × 2 bands)

Antenna connector

BNC connector (50Ω)(One connector for all bands)

Power supply requirement

13.8 V DC ±15% (with external power supply)

7.4 V DC (with BP-272)

Operating temp. range

–10°C to +60°C; +14°F to +140°F

Frequency stability

Less than ± 0.5 ppm

(–10°C to +60°C; 14°F to 140°F)

Frequency resolution

1 Hz

Current drain
  Tx (Max. power)
  RX (Max. audio)
  RX (Standby)

13.8 V DC
Less than 3 A (10 W)
0.5 A (typ.)
0.3 A (typ.)

7.4 V DC
Less than 2.5 A (5 W)
0.8 mA (typ.)
0.5 mA (typ.)

Dimensions

200×83.5×82 mm; 7.9×3.3×3.2 in (W×H×D, projections not included)

Weight

1.1 kg; 2.4 lb (approx.; including BP-272)

* Some frequency bands are not guaranteed.

Transmitter

Output Power
SSB/CW/RTTY/FM/DV
AM

13.8 V DC
0.1 to 10 W
0.025 to 2.5 W

7.4 V DC
0.1 to 5 W
0.25 to 1.25 W

Modulation system

SSB : Digital PSN modulation

AM : Digital low power modulation

FM : Digital phase modulation

DV : GMSK digital phase modulation

Spurious emissions

Less than −50 dB (HF)

Less than −60 dB (50 MHz)

Less than −60 dB (144/430 MHz)

Carrier suppression

More than 50 dB

Unwanted sideband

More than 50 dB

Receiver
Receiver system 0.030 to 24.999 MHz 25.000 MHz and above	RF Direct Sampling Down Conversion IF Sampling
Intermediate frequencies	25.000 MHz and above：38.85 MHz±0.5 MHz

Sensitivity (HF: Preamp-1 ON, 50 MHz: Preamp-2 ON, 144/430/440 MHz: Preamp ON)	0.500 to 1.799 MHz	1.800 to 29.999 MHz	50 MHz to 54 MHz	144/430/440 MHz
SSB/CW(10 dB S/N)	–	0.20 µV	0.15 µV	0.11 µV
AM(10 dB S/N)	13.0 µV	2.0 µV	1.0 µV	1.0 µV
FM (12 dB SINAD)	0.5 µV (28.000 to 29.700 MHz)		0.25 µV	0.18 µV
DV (1% BER) (PN9)	1.0 µV (28.000 to 29.700 MHz)		0.63 µV	0.35 µV

Selectivity (Filter: SHARP)
  SSB(BW=2.4 kHz)
  CW(BW=500 Hz)
  RTTY(BW=500 Hz)
  AM(BW=6 kHz)
  FM(BW=15 kHz)
  DV(12.5 kHz spacing)

More than 2.4 kHz/-6 dB / Less than 3.4 kHz/-40 dB
More than 500 Hz/-6 dB / Less than 700 Hz/-40 dB
More than 500 Hz/-6 dB / Less than 800 Hz/-40 dB
More than 6.0 kHz/-6 dB / Less than 10 kHz/-40 dB
More than 12.0 kHz/-6 dB / Less than 22 kHz/-40 dB
Less than -50 dB

Spurious and image rejection ratio
(SSB/CW/AM/FM)

HF 50 MHz 144 MHz 430 MHz	More than 70 dB* (except for ADC aliasing) More than 70 dB* More than 65 dB More than 54 dB
*At intermediate frequency in -25–30 MHz or 50–54 MHz: More than 50 dB

Audio output power
Internal SP
External SP

More than 530 mW (12Ω load at 10% distortion)
More than 200 mW (8Ω load at 10% distortion)

Supplied Accessories

HM-243 Speaker-microphone
BP-272 Battery pack
OPC-2421 DC power cable

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