Icom 703-Plus
ICOM 10W MNIHF+6M XCV/TNR/DSP

GENERAL SPECIFICATIONS
 GENERAL
Frequency Range     
TX 1.80~1.99
3.50~3.99
7.00~7.30
10.10~10.15
14.00~14.35
18.068~18.168
21.00~21.45
24.89~24.99
28.00~29.70
Same as Working Range
RX 0.03~29.99 MHz 0.50~29.99 MHz
Mode    : USB/LSB/CW/RTTY/AM/FM
Temperature range       : -10C to +60C; +14F to +140F
Antenna Impedance     : 50 ohms(SO-239)
Frequency stability : Less than 0.5 ppm (0 to 50C; +32 to +122F)
No. of Memory Ch. : 105(99 split, 6 scan edges)
Frequency stability : Less than 0.5 ppm (1 min. after powered ON/0 to 50C; +32 to +122F)
Power supply voltage : 9.0 to 15.87 V DC (negative ground)
Current Drain
: Tx

  Rx
  10 W
    5 W
  Standby
  Max. audio
  3.0 A
  2.0 A(9.6V)
  0.25 A (typ.)
  0.45 A (typ.)
Dimensions
 (projections not included)
: 167(W) 58(H) 200(D) mm;
  6 9/16(W) 2 9/32(H) 4 7/8(D) in
Weight (approx.) : 2.0 kg; 4 13/32 lb 
 TRANSMITTER
Mode  USB/LSB/CW/RTTY/AM/FM
Modulation system : USB/LSB    Blanced Modulation
  AM      Low Level Modulation
  FM      Variable Reactance Frequency Modulation
Spurious emission : 50 dB (HF bands)  
Carrier suppression : More than 40 dB
Unwanted sideband
suppression
: More than 50 dB
Spurious Emissions : Below 30 MHz: Less than -50 dB
 Above 50 MHz: Less than -60 dB
Microphone Connector : 8-pin modular jack (600 ohms)
Output Power :USB/LSB/CW/FM/RTTY  0.1 to 10 W (at 13.8V)
   AM                              0.1 to 4 W (at 13.8 V)

 USB/LSB/CW/FM/RTTY   0.1 to 5 W (at 9.6V)
   AM                               0.1 to 2 W (at 9.6 V)

 RECEIVER
Receive system : Double conversion Superheterodyne system
Intermediate frequencies : 1st 64.455 MHz (for all modes)
  2nd 455 kHz (for all modes)
Sensitivity (typical)
Frequency Range
(MHz)
SSB, CW, RTTY
(at 2.4 kHz BW)
AM
(at 6 kHz BW)
FM
(at 15 kHz BW)
0.50 - 1.799 __ 13V*1 __
1.80 - 29.99 0.16V *1 2V *1 __
28.0 - 29.7 0.16V *1 2V *1 0.5V *1
10 dB S/N for SSB, CW, RTTY and AM, 12 dB SINAD for FM
*1 Pre-amp is ON
Squelch sensitivity
 (Pre-amp: ON)
: SSB, CW, RTTY
  FM
  Less than 5.6 V
  Less than 0.32 V
Selectivity
 (typical)
: SSB/ CW (BW: 2.4 kHz)
  
  AM /FN-N (BW: 6 kHz)

  FM (BW: 15 kHz)
  More than 2.4 kHz/-6dB
  Less than 4.5 kHz/-60 dB
  More than 8.0 kHz/-6dB
  Less than 30.0 kHz/-60 dB
  More than 12.0 kHz/-6 dB
  Less than 30.0 kHz/-60 dB
Spurious Response : More than 70 dB
AF output power : More than 1.0 W  with an 8 ohms load
RIT variable range : 9.99 kHz